It will also show, for each gear, your total gearing in Revolutions Per Foot (RPF). A whopping 30% reduction. This crossmember will allow you to install an overdrive transmission in your classic Chevelle or. Mostly when I'm driving down the highway (50-75 MPH, 2450 RPM & up), or if I'm cruising on the street (30-45, 1650 RPM & up) and I let off the throttle, the IAC stays at 40% for a couple seconds then drops to 0%, and the AFR goes anywhere. HP Series Billet Stator Torque Converter Converter Diameter - 258mm This is a modified factory converter with billet stator. THIS TRUCK HAS NEVER BEEN RACED--HIT 5500 RPM A COUPLE OF TIMES DURING TUNING I run only 10/30 Valvoline VR1 Racing oil. A lot of highway I would go 3. In the mid-70's exactly 273 XJ-S's were fitted with 4-speed manual transmissions and the official Jaguar repair manual dedicates an entire section on maintenance, but there is precious little information ava. 74 nova with 3. 3300 rpm @ 80 is a little high imo. Idle RPM ok! No engine warning indicator lights on, humm? Effect: After putting in gear and driving away slowly (residential area) it felt like the engine was a little weak. Using stock replacement parts from Eckler’s Chevelle &. My 73 with 3. 114 requires that materials produced after July I, 1991, by convict labor can only be used in a Federal-aid highway construction project if such material has been produced in a qualified prison facility, e. The stock M1028 had 31" tires so running 37's drops the rpm quite a bit. I have a dana 60 and 14 bolt ff rear with 4. 80 is best but a little high for street use. Calvary Baptist Church Congregation: Same Man. i dont have to drive alot on the freeway,but still want a few opinions from people who are driving a th400 daily with a 4000 stall. The 4L80E keeps doesn’t drop the engine rpm as much between shifts because it is a heavy duty transmission and assumes that you could very well be pulling a load. Turbo 400 Heavy Duty Billet Steel Intermediate Shaft Product #223700 * This TH400 Intermediate shaft is a "bolt-in" product made from 300 Maraging St and has been designed for High Horsepower and Off-Road use. My Ram 1500 with 4. I have a 2000 I30t (90,000 miles) with the transmission flaring between 1st and 2nd at low throttle. Vehicle Speed Sensor (VSS) OPERATION. 10 would be good. My last 3 speed equipped car (86 Pontiac 6000-STE) at 70 was buzzing along at 3500 rpm at 70. Jump to Latest Follow 1 - 7 of 7 Posts. But what is the maximum safe rpm to be used for an extended period of time, like highway driving. The same converter will stall at a lower rpm behind a less torquey - higher rpm engine. JW Performance TH400 Transmission JW Performance TH400/VG Hybrid Torque Converter Parts needed to complete the conversion but currently are not supplied by BDE are: flexplate, driveshaft, trans cooler, trans mount, torque converter pilot bushing, and shifter; PN and supplier recommendations are available upon request. Running a 8. I was trying to determine if my rpm to gearing ratio was in line for highway driving so I monitored all my vehicles and looked up tranny/R&P ratios of past ones. The custom-built 3” stainless exhaust system sounds absolutely amazing and matches how the car looks & performs. The adapter kit includes a new output & spud shaft, plastic washer, adapter plate, TH400 gasket, o-ring, metric fastening hardware, and adapter. TREMEC TKO 5-Speed PerfectFit™ Kits for AMC are the simplest and most cost-effective way to convert to a modern overdrive with proven case machining techniques and compact shifters that provide the best fit and shift quality available. Thats not too Bad, I would drive the car and see where the RPM's are at. 2019 Drag Week: Congratulations Tom Bailey: Unlimited WINNER - '69 Chevy Camaro, 6. When new, the transmission was likely programmed to upshift just past 5,000 rpm at full throttle. The car runs @ 3300 rpm at 70 mph. The result will be reduced rpms at highway speeds and a little larger gap between gears but the first gear will be about the same. Gear Vendors offers a 22 percent overdrive, turning our 3. The 1971 Monte SS (stock 454) currently has a TH400 trans and 3. 10 gears and never ran OD because it would just hunt between OD and 3rd at the smallest hill or wind, and never seemed to have any problem running 70 mph down the highway. 440 horsepower @ 6,000 rpm 406 lb-ft of torque @ 1,350-4,500 rpm EPA city/highway fuel economy: N/A. Allows you to adapt a GM Th350 3 speed automatic transmission to the S-Series truck transfer case. Part Number. Requires Long Box. 6L Turbo-Diesel V8. Introduced in 1964, the TH400 is an automatic shift, three-speed, longitudinally positioned transmission. I my have a speedometer problem, does anyone know what speed your going (highway cruiseing in 3rd gear) when the engine is at 3000 RPM's. 54 will have you rowing the shifter alot. Im in the market for the 2014 Sierra SLT. This model has a conservative rate of 450 ft. This calculator is for entertainment value only. The Ferrari 400 really dosen't need to lower its highway rpm but needs to improve the off the line acceleration. 11 diff for the 1/4 mile and still be able to cruise at highway speed. At least the Civic's k engine is quiet at 3k rpms. II IFS, 351W bored & stroked to 395c. Discussion Starter • #1 • Mar. May the RPM's be used on Federal-aid projects without Federal participation? Language in 23 U. My elcy, I am at 3300 Rpm At around 65 mph on the highway with 3. Come by for all the latest news and automotive tips!. If wheel base is not such an issue, the TH400 is significantly strong, but it does waste more power. EPA-estimated 15 city/20 highway for 4x4 with 4. Gears and Transmissions 1. The car will likely be making the trip to the nationals in 10 days, 150 miles and I have no concerns about too much highway driving. The 700r4 is a great trans and you have about a 15% OD, so you can run some lower gears. 70:1 overdrive, making it great for low-speed off-road driving and high-mileage highway cruising. It works awesome. Find TCI High Torque Towing Torque Converters 243410 and get Free Shipping on Orders Over $99 at Summit Racing! These TCI High Torque Towing converters are efficient units that put more of your engine's torque to the ground. 1800 rpm is about right for that engine. The mpg gain is nice, but my main interest was in getting the engine down to reasonable rpms in highway driving. Reproduction Of Original Secures Shift Cable P/N 607632 At Transmission For Use With TH400 Only This stock replacement transmission shift cable bracket for TH400 is manufactured by GM or by one of its authorized suppliers for use as a factory replacement part. With the spooled 4:88 rear end and the 31x18. 6L Turbo-Diesel V8. pilot size. This calculation is used to match oversize tires with new ring and pinion gears to obtain the desired engine RPM at highway speed. and i was wondering how my streetability will be. ATI's Turbo 400 Drag Racing Transmission. 10 would be good. The foundation starts with a tough and tested Reid Racing Super Hydra 400 Off-road race case and SFI 30. 7 Powerstroke 4x4. With available Duramax 6. I wrote this calculator in the early 2000s to help me figure out the ratio on my '77 K10 Silverado (35" tires and 8" lift, auto trans and NP205 transfer case). On a Stude with 3. The engine is turning about 3000 RPM at 60 MPH. Determine your engine’s RPM based on the transmission gear ratio, tire height, MPH and the ratio of your ring gear and pinion gear. I have a dana 60 and 14 bolt ff rear with 4. 7 TH350 1st - 2. ATI has T400 street rod and drag race transmssions for vehicles making 600 horsepower to 3,000 horsepower!. 6-liter twin-turbocharged V6 (Macan Turbo) 400 horsepower @ 6,000 rpm 406 lb-ft of torque @ 1,350-4,500 rpm EPA city/highway fuel economy: 17/23 mpg. 2 diesel, almost new 19. - Rear diff has highway gearing and is a 10 bolt with upgraded beefy four link control arms with adjustable upper arms. 300 horsepower @ 6,000 rpm; 310 lb-ft of torque @ 4,000 rpm; As you might be able to tell from these numbers, the VVT-i system worked wonders of the 1UZFE. I'm getting about 15 MPG for average driving. I'll have the brute torque of my 454" engine and the 30% overdrive for my highway cruising. The L-88, 427, which was the King Kong of Chevy is 69, redlined at 7000rpms. But as a general guide, 3:08 rear end ratio with 27" tall tires, probably about 2200 to 2500 stall. OK, I have a uni-bolt TH400 got it for next to nothing along with my 350. I have found a truck which includes all of the options I am looking for, but I realized it has a 3. I will probably only be putting 100 miles a week on. RICHMOND is the leading manufacturer of professional quality, hi-performance ring and pinion sets. 275/60-15 so 28” tall tires. Ensure that the engine is at low idle RPM (500-800 RPM). 54 will have you rowing the shifter alot. rating of 25,000 lbs. If you are looking for the ultimate shifter for drag racing, look no further. 3300 rpm @ 80 is a little high imo. I'm getting about 15 MPG for average driving. Buy Camaro Conversion Crossmember, Small Block Adding TH400, 1967-1969 for $161. Original ratio for the 1500/1600 cars is 4. Stalling is when the torque converter locks up during a load. My elcy, I am at 3300 Rpm At around 65 mph on the highway with 3. GREAT on the highway. Overdrive trannies sometimes have 3. The $825 kit is cam and a phaser limiter or locker. After all, my previous 1978 Camaro LG3, TH350, 1200 rpm stall, 2. This torque converter now comes with an internal balloon plate on the motor side. I have a 3 speed auto 1973 w/454c. 00: GM TH400: 2. Dave followed that with, “For example, if you had 4. 41 set of gears. Holds any gear to any RPM and backshifts with the lever to any gear at any speed. I didn't drive over 55 @ about 3600 rpm. Jump to Latest Follow AMC 360, th400 Quadra-Trac 2002 wrangler, stock 4. lil_green_compass · Registered. The 700R4 is about the same length as the TH400 and it has an overdrive. The engine really starts getting into the torque curve above 2000, so it sounds like a 2500 stall should be the best compromise since it will let me launch on the torque curve and still hit the highway with the converter fully engaged, right?. The foundation starts with a tough and tested Reid Racing Super Hydra 400 Off-road race case and SFI 30. Transmission: Owner-built TH400 with a PDQ 1,500-rpm stall torque converter, CK reverse-manual valvebody, billet input shaft, clutch hub, forward drum, and direct drum Horsepower: 490 hp Torque. 31 rear end gears, the overdrive T700-R4 will drop engine speed from 2500 RPM to 1750 RPM at 60 MPH. Lower RPM at cruising speed will produce a vibration that is often mistaken for driveshaft imbalance. (I bet his transmission got a lot hotter too, but it held up. Living in AZ I have had the opportunity to pull plenty of Mtn passes this last year. Question is what is making my truck (04 2wd Silverado 5. But i was wondering about. 31 for street/highway use and then I would run a 28" tall tire like a 275/60-15. When new, the transmission was likely programmed to upshift just past 5,000 rpm at full throttle. Now switch to the 700r4 and your closer to 3000 rpms. for cruising the highway a 2. 900 lift; intake boost @ 40 psi; shift point for his race prepared Turbo 400 transmission for 1-2 @ 7,000 RPM; for 2-3 @ 7,800 RPM; hitting 9,000. I’ll be talking to my machine shop guy to get his suggestions for pistons, crank, cam, carbs. Pre-curved injection-molded shin plate Three fully adjustable straps allow for a custom fit Fully synthetic heat shield Injection-molded medial abrasion plate Mesh liner promotes airflow Metal toe cap reinforces the outsole strength Uni-directional outsole with a steel shank Injection-molded positive lock buckles Tested and certified according to European Standard EN 13634:2010 CE certified. Stock torque converters come in sizes around 11 to 13 inches in diameter with stall speeds around 1,500 to 1,900 rpm. 36 rear gears installed. ATI's Turbo 400 Drag Racing Transmission. - Stereo has been redone with JL audio amps fed by a Kenwood head unit with reamp output. Have for sale a Th400/Th350 Transmission flexplate guard. Even down in the lower Powerband you can feel the pulling power, especially 2000 - 3300 rpm. Dave followed that with, “For example, if you had 4. 11 diff for the 1/4 mile and still be able to cruise at highway speed. These are RB26DETT Red top engines. , AOD, 4-link coilover 9" w/ 3. The standard transmission was the TH-400 Turbo Hydra-matic. However, there are folks out there who provide connection kits to utilize the advantages of the 4L80E in an older carburetor (non-computerized) engine. I'll have the brute torque of my 454" engine and the 30% overdrive for my highway cruising. 18 final drive. 400- to 600-rpm-over-stock stall Speed; Converter Diameter and Stall Speed. I still haven't found the top end yet. I wrote this calculator in the early 2000s to help me figure out the ratio on my '77 K10 Silverado (35" tires and 8" lift, auto trans and NP205 transfer case). 7 mph 37" tires at 1,500 rpm 3. 90 rear end gears. A highway cruising speed of 60—65 MPH is considered a good target speed Engine RPM at cruising speed should be maintained between 1800 to 2100 RPM. Mostly when I'm driving down the highway (50-75 MPH, 2450 RPM & up), or if I'm cruising on the street (30-45, 1650 RPM & up) and I let off the throttle, the IAC stays at 40% for a couple seconds then drops to 0%, and the AFR goes anywhere. 4L80E vs TH400 Gearing. At 80 mph you'd still be almost 2800 rpm with GV compared to about 2200 with M6, just throwing that out there for highway cruisers. Or, change input variables (engine RPM, axle gear ratio and tire height) to determine vehicle speed in each forward gear. My motorhome (1982 P30 chassis) had a 4. This model has a conservative rate of 450 ft. Had the drive shaft shortened, trans came with yoke. Also as mentioned the engine has a large thermostatically controlled engine fan. Springtime Monogram Hand Cream. If you do go this way please keep us posted on how it came out. Ideally simply want to change the rear end back to 3. Yep, Honda 4 cyls usually have small gas tanks and Honda lets their m/t cars rev on the highway. That gear sounds pretty good with a th-400, + its a much better tranny than the 460le. 6-liter twin-turbocharged V6 (Macan Turbo) 400 horsepower @ 6,000 rpm 406 lb-ft of torque @ 1,350-4,500 rpm EPA city/highway fuel economy: 17/23 mpg. It is a fluid link which transmits more torque the faster it is turning; at high RPM it is very firm, but there is always some slip; at low RPM it slips with minimal torque but at engine idle speed, it still transmits some small amount of torque. Start by driving a few miles on the highway, and a few miles around town with the radio off and no one else in the car. 54 and first gear on the T56 is gone before you can blink with the limited RPM my motor currently has, then again the T56 6sp was made to slep that big F-car. 48:1, Second gear is 1. Performing an automatic transmission pressure test is one of the best ways to diagnose hard shifting. Turbo 400 transmission new 850hp rated Full manual billet clutch hub Extra clutches 34 element drum new sprag All new bearings bushes clutch plates steel plates All lube mods bearing output shaft new dipstick mount and -6 cooler fittings comes with brand new tce convertor. 2011-2019 6. Calkins gives ballpark 60-mph rev ranges of 2,400-2,500 rpm for healthy GM small-blocks and 2,200-2,300 for big-blocks. Gear Vendors offers a 22 percent overdrive, turning our 3. My elcy, I am at 3300 Rpm At around 65 mph on the highway with 3. Final Crawl Ratio: 50:1 100:1 150:1 200:1 35" tires at 1,500 rpm 3. 3800 stall on a turbo car. May the RPM's be used on Federal-aid projects without Federal participation? Language in 23 U. The RPM at approximately 60 MPH with the 4. torque converter - big shot xls - 10 in diameter - 2500-2900 rpm stall - th350 / th400 - each more details Part #TSI-10000XLS Add to Cart. Dennys Street Rod Driveshafts are custom built and high speed high rpm balanced in your choice of Steel or Aluminum. The higher number will give increased torque while the lower number gives improved mileage. While the TH400 is far stouter, it is longer and heavier than a TH350 and has a 2. Not to be used in place of real testing. Cargo and load capacity limited by weight and distribution. If wheel base is not such an issue, the TH400 is significantly strong, but it does waste more power. What is an automatic transmission pressure test? It's a test that uses air pressure testing before and after the assembly. 36 rear gears installed. My motorhome (1982 P30 chassis) had a 4. as it makes the rear gear act larger. Hydraflo Pty Ltd. my car is a 65 wildcat convt with a 401 nailhead engine and the th400 tranny. 48:1, Second gear is 1. For over 80 years, the Double Diamond has signified the highest quality gears in the racing industry!. In 70 they introduced the LS-6, and LS-7's, which were aluminum 454's, redlined at 6800. 74 nova with 3. Looks like that's a pretty darn good GM transmission. This transmission was produced by General Motors, but is also sometimes known by the name Hydramatic. 8 sec Standing ¼-Mile: 11. Performance torque converters are generally grouped by size (diameter) and stall speed. the car will be driven in town 90% and raced at track 10%, fuel economy is not a concern. 56's the truck has a max speed of @50-55 mph at roughly 2450-2750 rpm. engine and code-PQ Turbo 400. This torque converter now comes with an internal balloon plate on the motor side. I have found a truck which includes all of the options I am looking for, but I realized it has a 3. The official website of EricTheCarGuy. The standard transmission was the TH-400 Turbo Hydra-matic. The Performance Rod & Custom cooling system keeps her running nice & cool even in 100+ degree summer weather. The former car is very silent and confidence inspiring while cruising at 115 kmph ,while the latter feels so at 105 kmph,after which engine drone seeps in. The engine will rev up and when the pedal compresses the kick down switch, it will suddenly and quickly shift back into direct drive. With available Duramax 6. Sfi so designed to protect your legs from flexplate explosion Cash on collect or i can post. Thank you for all the replies; this is the input I was looking for. At lower RPMs, you'd likely stall and slip the clutch quite a bit since your engine would be operating so far outside it's torque curve. 23 rear end? With a 25. 48:1 and second gear of 1. Living in AZ I have had the opportunity to pull plenty of Mtn passes this last year. 73 gear into a 2. Common Issues When Transmission Makes Clunking Noise. 4 SN Engine Tech. These are RB26DETT Red top engines. Discussion Starter • #1 • Mar. At 65 on the interstate in between 3k and 3500. The L-88, 427, which was the King Kong of Chevy is 69, redlined at 7000rpms. Setup the two step with a Soft cut, spark only - 2800 RPM & 2750 RPM. I didn't drive over 55 @ about 3600 rpm. The GM 700R4 main shaft kit is used when replacing a TH400 in model years 1985-91. All 67-74 Muncies carry a producion code number stamped vertically on right side of case beginning with "P". Transmission is a TH400, with shift kit. At 65 on the interstate in between 3k and 3500. I looked at going to a 342. I have a 3 speed auto 1973 w/454c. tuning on 18psi highway third gear pull stock 99 4. This calculation is used to match oversize tires with new ring and pinion gears to obtain the desired engine RPM at highway speed. 6L Turbo-Diesel V8. At the filler tube base. Graph RPM vs. At the moment I have 3. I have a dana 60 and 14 bolt ff rear with 4. Shifting at high rpm (around 4 or 5 grand)takes even longer and downshifting to a lower gear at high rpm is met with even more resistance from the normal. Robust and expensive. 030 Comp cams xe268 Rpm intake Summit racing 750 carb Ported 781 heads Th400. They are, for the most part, interchangeable on the same vehicles; however, you would normally find the TH400 in larger engine applications because they are able to function more reliably at higher engine rpms. The overall First gear ratio with the TH400 and. I have 373s in the rear of my s10 with a th350. The stock M1028 had 31" tires so running 37's drops the rpm quite a bit. This calculation is used to match oversize tires with new ring and pinion gears to obtain the desired engine RPM at highway speed. This calculator is for entertainment value only. Street/Strip and Drag Racing TH400’s. The L-88, 427, which was the King Kong of Chevy is 69, redlined at 7000rpms. The same converter will stall at a lower rpm behind a less torquey - higher rpm engine. 48 First gear, while the TH350 has a slightly better 2. Mostly when I'm driving down the highway (50-75 MPH, 2450 RPM & up), or if I'm cruising on the street (30-45, 1650 RPM & up) and I let off the throttle, the IAC stays at 40% for a couple seconds then drops to 0%, and the AFR goes anywhere. These calculators are designed to give the approximate engine RPM (revolutions per minute) based on data entered. My elcy, I am at 3300 Rpm At around 65 mph on the highway with 3. This classic beat out other GM performers such as the tried-and-true 700R4 that doesn’t take the punishment that it receives from powerful, tire-smoking, wheel standing. , AOD, 4-link coilover 9" w/ 3. It will also show, for each gear, your total gearing in Revolutions Per Foot (RPF). I have a 2000 I30t (90,000 miles) with the transmission flaring between 1st and 2nd at low throttle. The torque-converter multiplication and the 2. - Stereo has been redone with JL audio amps fed by a Kenwood head unit with reamp output. Ive been told. EPA-estimated 15 city/20 highway for 4x4 with 4. All 67-74 Muncies carry a producion code number stamped vertically on right side of case beginning with "P". In 70 they introduced the LS-6, and LS-7's, which were aluminum 454's, redlined at 6800. Our Stage 1 TH400 is a heavy duty rebuild with valve body and hydraulic improvements, rollerized rear thrust, heavy duty intermediate snap ring, and OEM pan. This calculator will provide the speed of the vehicle based on the transmission gear ratio, the engine RPM, the tire height, and the ring gear and pinion gear ratio in the rear end axle differential housing. Living life in the fast lane will not be limited to the freeway. I guess the lower RPM in 4th gear plus the fact it's a 2005 with fuel injection means it should get a little better. 275/60-15 so 28" tall tires. hello all- -30 below up in northwest wisconsin this morning so dreaming of summer. TREMEC TKO 5-Speed PerfectFit™ Kits for AMC are the simplest and most cost-effective way to convert to a modern overdrive with proven case machining techniques and compact shifters that provide the best fit and shift quality available. It is highly regarded for its supreme durability. 73's for a stick. 42 gears in the rear-end you have a car that is peppy enough to jump off that red light yet can cruise down the highway without straining the engine with the high RPMs. Determine your engine’s RPM based on the transmission gear ratio, tire height, MPH and the ratio of your ring gear and pinion gear. 42 and Th400 has been from NJ to colo. With a 26" tire and 3:73 gear you will turn 3000 rpm at 60 mph. The stock TH400 torque converter, for example, multiples torque 2:1 at low RPM so that a moderateratio first gear can be used. I'm getting about 15 MPG for average driving. It provides approximately 2400 to 2600 RPM flash stall without negatively affecting part throttle driving. 48 First gear by the 4. On my K5 I ran tires that measured to about a 36 with 4. This shifter is truly a work of art! M&M Transmission is well known in the drag racing community to provide some of the best transmission components, and we are proud to carry their products!. and i was wondering how my streetability will be. 440 horsepower @ 6,000 rpm 406 lb-ft of torque @ 1,350-4,500 rpm EPA city/highway fuel economy: N/A. The mpg gain is nice, but my main interest was in getting the engine down to reasonable rpms in highway driving. Hello guys n gals. , AOD, 4-link coilover 9" w/ 3. It tells you how many revolutions the crankshaft turns to move your car one foot. 300/1 Original ratio for the 1600-MK-II cars is 4. Od off onna 4r100 would have a lock up Converter always slipping instead of locking up so rpm will be higher Now a th400 with correct converter will drive fine Very simple if plan to run a 3 speed run a 30" tireIt will help rpms But years ago ran a 373 gear 28" tire 400 combo and 70mph was about 2700 rpms A 30" will drop rpms a few hundred rpms. 64 8th gear ratio - 70 mph - 1,624 rpm 75 mph - 1,740 rpm So the manual spins about 100 rpm lower in the 70-75 mph range. Wep TH400Plus comes with features of High printing speed of 250 mm/sec, High Quality printing of 203 DPI ,Print head life of 150 km. 3L LSx, stock everything except, Cam & Injectors, and TH400 with 3200 stall. Around 4000rpm is where I took note of the RPM's vs. Liter for Liter it has more HP and Torque than the 8. 3) rev up and down about 1 to 2 hundred rpms at highway speed 45-65 on up. For dedicated drag racing cars, the modern versions of the old GM Powerglide 2-speed transmissions (like this one from TCI) may be ideal. An alternative would be the 4L80E transmission which is a modernized version of the TH-400. Is anyone running a 700r4 with 3. Only the largest of the GM cars weighing around 5000 lbs had these trans. The official website of EricTheCarGuy. I had a TH400 and loved it. 070 overdrive , that can be compensated for by taking a little gear out of the rear end EXAMPLE if you have 3. DYNAMIC builds the very best performance torque converters anywhere!. All of them were running between 1,800-2k at the same speed with exception to my old Mazda 4-banger. of torque and has a G. It only does it intermittently. Experience in a Book Drivetrain Maintenance. 3 4x4 LT SOLD 2010 Chevy CCSB 6. 2011-2019 6. Running a 8. I am going to install a 4L85E, basically a TH400 w/an OD, electronically controlled trans. I still haven't found the top end yet. Come by for all the latest news and automotive tips!. Thats not too Bad, I would drive the car and see where the RPM's are at. That same relaxed cruising engine speed translates into slow performance overall as well. I Pull a 27ft TT. It is highly regarded for its supreme durability. The W-32 uses the OG code TH-400 found in the base 442. 3 Speed Turbo 400. 200 Million used auto parts instantly searchable. The Class I Performance transmission is for the individual who wants more performance than stock, but nothing too radical in shift pattern. 41 rear end. 8 (only valvesprings installed $50 dollar comp electronics) stock ls1 intake, stock fuel rails, stock throttle, heads (untouched from the yard). and i was wondering how my streetability will be. Built to fit your street rod and priced to fit your budget. The GM Turbo 400 has become the automatic transmission of choice for enthusiasts everywhere due to its durability and simplicity. Sometimes it bucks, usually just the RPMs go way up, then it decides to drop into gear. i dont have to drive alot on the freeway,but still want a few opinions from people who are driving a th400 daily with a 4000 stall. The final result is a rollerized C6 that prevents a switch to the GM TH400 or forcing the expensive swap to an electronic-controlled 4R100 transmission. II IFS, 351W bored & stroked to 395c. 5 inch tire, how many RMP will. I was just wondering when or if you ever do front wheel drive transmission. Highway rpm. I have 1990 pontiac trans am with 355, the engine produced 420hp at 6100rpm and 425tq at 4200rpm. Of course, buying a performance built 4L80E is significantly more expensive than a gear change, but it allows you the opportunity to have both the deep gear for drag-strip passes while still using overdrive to reduce engine speed on the. Rated at 425 horsepower at 5600 RPM and 450 pound-feet of torque at 4100 RPM, it’s mated to the new GM 10-speed automatic transmission (RPO code MQB). Since the TH400 is a bit longer than the 700R4 and length is normally an issue with short wheelbase Jeeps, the 700R4 may be a better swap option. Lower RPM at cruising speed will produce a vibration that is often mistaken for driveshaft imbalance. This is a discussion on Too many RPM's within the Drivetrain forums, part of the CJ Forums category; I'm curious. You can also ground down or remove the fuel plate which is what controls the maximum fueling. The Turbo 400 transmission has a first gear of 2. Indian Motorcycle Custom Accessories Parts Aftermarket and performance mods. The engine is the number matching unit with the correct 3955272 casting number. 5 6th gear ratio - 70 mph - 1,602 rpm 75 mph - 1,716 rpm Durango 8 speed auto - 3. 73s aren't the best for the highway use. 73s by a local TA guy who's car runs like stink. Stock crossmember, made a plate to adapt it as the crossmemember was a few inches in front of the trans mount. 30 to 1: Turning radius: 19. The L-88, 427, which was the King Kong of Chevy is 69, redlined at 7000rpms. This calculator will graph RPM vs. They also use about 8 more engine horsepower to power them, a TH350 typically uses about 36hp, as opposed to the TH400 using about 44hp. This classic beat out other GM performers such as the tried-and-true 700R4 that doesn’t take the punishment that it receives from powerful, tire-smoking, wheel standing. Gears and Transmissions 1. and i was wondering how my streetability will be. Has case protecting snap ring and Alum 2-3 Accumulator piston. This is not a daily driver and i don't really plan to take it on the highway often. DYNAMIC builds the very best performance torque converters anywhere!. Around 4000rpm is where I took note of the RPM's vs. 41 rear end. Killens and The Mt. I see a lot of people using TH350's on here and I'm just trying to figure out if i should get rid of this trans and go with the TH350. The B&M 2,000-rpm stall for a 4L80E (left) looks similar to their 3,000 rpm Holeshot for a 700R4 (right), but there's a lot more than just the number of bolts connecting them to the flywheel that differ. 08:1 and the 3. I have a 350 engine, 350 turbo trans, and the 3:50 rear is a 9" from an early Bronco. The 1:1 4 th gear ratio and 4. Coldwell Banker RPM Group 1501 North University Ave, Suite 800 Little Rock, AR 72207 Selling Central Arkansas since 1955 501. Living life in the fast lane will not be limited to the freeway. Fit a modern cost effective and high performance-ratio 6 speed automatic transmission system (transmission & controller) in the space where one has or could reasonably fit a GM TH-400/4L80-E transmission. It's only a high 12 second car but it's a rocket ship on the highway. ATI's Turbo 400 Drag Racing Transmission. 08:1 and the 3. Ensure that the engine is at low idle RPM (500-800 RPM). Awesome capacity with adjustable “Classy” shifts. 900 lift; intake boost @ 40 psi; shift point for his race prepared Turbo 400 transmission for 1-2 @ 7,000 RPM; for 2-3 @ 7,800 RPM; hitting 9,000. Electric motors are most efficient at high rpm and low torque, the complete opposite of an ICE. 2" Towing capacity: 1,000 lbs. It will also show, for each gear, your total gearing in Revolutions Per Foot (RPF). Running a 8. Performance: SD455/310: 1/4 mile in 13. Street/Strip and Drag Racing TH400’s. The RPM calculator should be used as a guideline for comparative purposes only. After having a couple 4:11 cars, I started using 3:50 rear ends. B&M Performance and Off-Road introduces the new Rock/Race GM TH400 Automatic transmission specifically designed and built for Off-Road competition. 48 First gear, while the TH350 has a slightly better 2. 75mph was a tick under 3000 RPMs. For minimal highway driving it would probably be fine. The higher number will give increased torque while the lower number gives improved mileage. Alright heres my situation. transmissions: Powerglide, TH350, TH400, 700R4, 2004R, 4L60-4L75 automatics and T56 (4th-gen F-body)/ T56 Magnum manual transmissions. 48 First gear by the 4. DYNAMIC builds the very best performance torque converters anywhere!. This transmission was produced by General Motors, but is also sometimes known by the name Hydramatic. Determine your engine's RPM based on the transmission gear ratio, tire height, MPH and the ratio of your ring gear and pinion gear. 42 I normally see. It provides approximately 2400 to 2600 RPM flash stall without negatively affecting part throttle driving. 23 rear end? With a 25. On my K5 I ran tires that measured to about a 36 with 4. Rear tires are overside for lower RPM on highway cruising. I don't think you have enough gear with the 35's. Joined Mar 28, 2011 · 38 Posts. 31 rear end gears, the overdrive T700-R4 will drop engine speed from 2500 RPM to 1750 RPM at 60 MPH. 7 gets about 16. Calvary Baptist Church Congregation: Same Man. The mpg gain is nice, but my main interest was in getting the engine down to reasonable rpms in highway driving. Reasons for overheating include low fluid levels, leaks, burned, old or dirty fluid, or problems with the solenoid. Rear end is a 12 bolt limited slip, I dont know the exact gear ratio, but I would guess 3:50 to 3:73 based off of engine rpms at highway speed. I bought th350 for my car and was wondering what rear end gear would be best for me and also would converter would be right? the car weights 3200lbs with me in it. View as Grid List. The final result is a rollerized C6 that prevents a switch to the GM TH400 or forcing the expensive swap to an electronic-controlled 4R100 transmission. Multiplying the 2. 42 and Th400 has been from NJ to colo. Highway 16-17 mpg after change to 3. Otherwise, the rings won't burnish the cylinder. Have for sale a Th400/Th350 Transmission flexplate guard. 41 set of gears. When I'm going down the highway at 55mph (verified. Fit a modern cost effective and high performance-ratio 6 speed automatic transmission system (transmission & controller) in the space where one has or could reasonably fit a GM TH-400/4L80-E transmission. That computes to a highway cruising speed of 72 mph at 3,200 rpm, adding the 200 rpm for converter slippage. The engine won’t win any races as the maximum horsepower is only 105 hp at 2,300 rpm however the engine is extremely popular when it comes to the torque ratio. At 60, 1930. 0, auto, 33X12. This torque converter now comes with an internal balloon plate on the motor side. 275/60-15 so 28" tall tires. That was for a bare engine on a test stand, so the real, as-installed output would be less. Dave followed that with, “For example, if you had 4. These quality miles with your vehicle will allow you to hear what a healthy and happy car sounds like. Unfortunately there is no fixed yoke kit for the GV, I had thought of making it a fixed yoke so we could ad a double joint at the top. Killens and The Mt. Of course, buying a performance built 4L80E is significantly more expensive than a gear change, but it allows you the opportunity to have both the deep gear for drag-strip passes while still using overdrive to reduce engine speed on the. 900 lift; intake boost @ 40 psi; shift point for his race prepared Turbo 400 transmission for 1-2 @ 7,000 RPM; for 2-3 @ 7,800 RPM; hitting 9,000. 1800 rpm is about right for that engine. Now is the time to order the best driveshaft with great customer service and a knowledgeable staff to guide you through your purchase. 299 avg and First to the 5's. But, when shifting from First to Second, the direct drum goes from spinning 80-percent of the engine RPM in Low gear to completely stopped on the 1-2 gear change, and then from stopped to engine RPM on the 2-3 gear change. The TH400 is well known to be a heavier duty trans. Address: 138 Glen Eira Road,Elsternwick, Vic 3185 Phone: John : 03 9528 2071 Email: [email protected]alley. With available Duramax 6. On a Stude with 3. At 1800 RPM the 22RE still has plenty of power on tap, but using it would probably mean that you were severely breaking the speed limit. Nissan Skyline GT-R R34 uses ball bearing Garrett M24 turbochargers. In the mid-70's exactly 273 XJ-S's were fitted with 4-speed manual transmissions and the official Jaguar repair manual dedicates an entire section on maintenance, but there is precious little information ava. The one nice thing is at the track I will shift 1-2 like normal and click in the GV unit in 2nd so I don't lose as many rpms going to 3rd and just cross the traps in 2nd overdrive. As for the highway - well, you'd have lots of power at high speeds. 4L80E vs TH400 Gearing. Chevy made many thousands of cars with a similar setup and very few of those blew an engine in normal driving. 1964 Chevelle Chevelle And Malibu Crossmember, Th400/200r4 Transmission | PA99603 Eckler’s is open, shipping and ready to meet all of your automotive needs. Highway 16-17 mpg after change to 3. All 67-74 Muncies carry a producion code number stamped vertically on right side of case beginning with "P". Of course, buying a performance built 4L80E is significantly more expensive than a gear change, but it allows you the opportunity to have both the deep gear for drag-strip passes while still using overdrive to reduce engine speed on the. The 350 cu in W-31 motor was never offered in the 442, only in the F85 or Cutlass. I bought th350 for my car and was wondering what rear end gear would be best for me and also would converter would be right? the car weights 3200lbs with me in it. I’ll be talking to my machine shop guy to get his suggestions for pistons, crank, cam, carbs. If you want TH400 strength but one more gear drop engine rpm for highway cruising (and hopefully to raise fuel economy at the same time), then you should consider a 4L80E four. You want to use a torque converter that is designed to keep your engine in its powerband, and not fall below the engine's peak torque RPM. 2011-2019 6. 67: GM TH350: 2. I will probably only be putting 100 miles a week on. Most of the factory spec torque converters are 12-13 inch diameter and have a stall speed around 1600-1800 RPM. You have the extra torque of a good, mild 383, so you shouldn't have to wind the rpms up too far. 90 rear end gears. If wheel base is not such an issue, the TH400 is significantly strong, but it does waste more power. 7 effective low-rpm ratio), and you get serious stump-pulling power! Milemarker makes a part-time conversion kit for this transfer case, which replaces the differential carrier with a spool. I was so stunned to discover my slippage wasn't 200 RPM. on track at a (quarter, half or) full. Ensure that the engine is at low idle RPM (500-800 RPM). What becomes the issue here is how you can overpower the rear tires with too much starting-line ratio. It can be kind of ill mannered in traffic. 1969 Chevy RCLB C10 350/TH400 SOLD 2007 Chevy RCSB 4. I had a lower stall TC in it, and you had to stand on the brake or it would idle at 20 mph! So around town it was no fun. Not to be used in place of real testing. Calkins gives ballpark 60-mph rev ranges of 2,400-2,500 rpm for healthy GM small-blocks and 2,200-2,300 for big-blocks. 4L80E vs TH400 Gearing. 78 Jeep TH400 w/ 2. I had a lower stall TC in it, and you had to stand on the brake or it would idle at 20 mph! So around town it was no fun. My 73 with 3. The unit is built to handle 420 ft. All going into a 92’ Caprice wagon (I’m into the B-Body scene). I use 373's and some times I wish I went with 410's. What becomes the issue here is how you can overpower the rear tires with too much starting-line ratio. 2" Towing capacity: 1,000 lbs. 73s aren't the best for the highway use. You can try various combinations to come up with an appropriate combination of ring and pinion gear ratio and tire diameter for your vehicle. When I'm going down the highway at 55mph (verified. 3300 rpm @ 80 is a little high imo. Exterior height: 58. 08, and its fine. I didn't drive over 55 @ about 3600 rpm. Around 4000rpm is where I took note of the RPM's vs. Right now I am turning 3300 rpm at 60 mph. for Indian Motorcycles Chief, Scout, Chieftain, Roadmaster and FtR. At 80 mph you'd still be almost 2800 rpm with GV compared to about 2200 with M6, just throwing that out there for highway cruisers. Turning to automatics, the usual suspects like a C4 or the immensely popular TH400 conversions are plentiful. I have sought out many options. TH400 3-Speed Automatic; TH400 3-Speed Automatic. The RPM calculator should be used as a guideline for comparative purposes only. Question is what is making my truck (04 2wd Silverado 5. With the spooled 4:88 rear end and the 31x18. 5" 3000 stall converter. For over 80 years, the Double Diamond has signified the highest quality gears in the racing industry!. 73 gear into a 2. Jump to Latest Follow 41 - 55 of 55 Posts. The torque-converter multiplication and the 2. Even though this TH400/700R4 swap is costing me a LOT more than I was originally anticipating, it'll be well worth the expense and work. 31 or something close. 99 in our huge selection of parts. 10s that im rebuilding to go into my suburban, I'm still trying to decide whether 3. JASPER Performance Transmissions - JASPER ® offers two levels of performance transmissions. 1964 Chevelle Chevelle And Malibu Crossmember, Th400/200r4 Transmission | PA99603 Eckler’s is open, shipping and ready to meet all of your automotive needs. Introduced in 1964, the TH400 is an automatic shift, three-speed, longitudinally positioned transmission. I have 373s in the rear of my s10 with a th350. Lower RPM at cruising speed will produce a vibration that is often mistaken for driveshaft imbalance. When driving IAC is 40%. The stock M1028 had 31" tires so running 37's drops the rpm quite a bit. Our Stage 1 TH400 is a heavy duty rebuild with valve body and hydraulic improvements, rollerized rear thrust, heavy duty intermediate snap ring, and OEM pan. 48:1 and second gear of 1. When I'm going down the highway at 55mph (verified. on the highway - speed is ok - my buddy (´01, turbo, ~ 400 hp) reached 346 kph (measured with gps) on the official highway till he had to brake caused by a car changing to his line. Install TH400 Or 200-R4 GM Overdrive Transmissions; Lower Engine RPM's At Highway Speeds; Improved Fuel Economy; Laser Cut From Structural Steel; MIG welded And Powder Coated; 1964-1967 Chevelle or Malibu is a standard American muscle car classic. 700 RPM: 900 RPM – Automatic Trans (In Drive): 500 RPM: 700 RPM (PSI) @ Cranking Speed, Engine Hot: 150 PSI: 150 PSI: Powerplant Mount Locations: 2 front and 1 rear, compression type. 3 to 1 for straight methanol racing fuel; size of turbochargers @ 98 mm; engine size @ 620 ci; cylinder head flow @ 535 CFM @ 0. on the highway - speed is ok - my buddy (´01, turbo, ~ 400 hp) reached 346 kph (measured with gps) on the official highway till he had to brake caused by a car changing to his line. Nissan Skyline GT-R R34 uses ball bearing Garrett M24 turbochargers. I would like advice on the following: 1. Note: be aware that "Chevy" style TH-400 with a short tailpiece are getting rare. Use this calculator to determine your gear ratio and vehicle’s speed in any gear and any engine RPM for best performance. My 73 with 3. MPH to determine where the ratio's differ between eachother. I had them changed ($700)but nothing changed. Alright heres my situation. My use might look like the follow: 65% Performance 35% Highway Cruiser Current Set-up: Motor: 396/325 Trans: Turbo 400 Gears: 3. In 70 they introduced the LS-6, and LS-7's, which were aluminum 454's, redlined at 6800. There is about a 2 second delay between gears and it causes the engine rpms to drop and you to loose speed. 67: GM TH350: 2. Had the drive shaft shortened, trans came with yoke. Install TH400 Or 200-R4 GM Overdrive Transmissions; Lower Engine RPM's At Highway Speeds; Improved Fuel Economy; Laser Cut From Structural Steel; MIG welded And Powder Coated; 1964-1967 Chevelle or Malibu is a standard American muscle car classic. I have sought out many options. RPM at highway speed. Reason im asking is i dont want to be going 65 or 70 down the highway and pushing 3000 - 4000 rpm cause the TH400 isnt beffy enough to handle the cummins. On a Jaguar with 3. 56 gear when I got it and a TH400. From my calculations with a 25. Of course, buying a performance built 4L80E is significantly more expensive than a gear change, but it allows you the opportunity to have both the deep gear for drag-strip passes while still using overdrive to reduce engine speed on the. 400 V8 225 bhp @ 4000 rpm, 330 lb-ft @ 2800 rpm. Advanced Adapters GM 4WD Th350 3 Speed Automatic Transmission to S-Series Truck Transfer Case Adapter Kit. Sliding the Air Fuel Control assembly forward will result in power gains by adding fuel at low RPM. Coldwell Banker RPM Group 1501 North University Ave, Suite 800 Little Rock, AR 72207 Selling Central Arkansas since 1955 501. The base V8 in the 442 was 400 cu in, 4bbl carb. Q: What does kickdown mean in an automatic transmission? A: Kickdown is a downshift in an automatic transmission triggered when the driver pushes the car’s accelerator to the floor. The first thing to check when an automatic transmission has trouble shifting is the transmission fluid. What do you guys think? 3. The pan is secured with 13 bolts. I dont want to run that high in the rpms to cruise down the interstate, as I plan on taking the truck on a series of long trips next summer. It is a docile converter at low rpm , but hang on when you hit the throttle, you will be impressed with the difference this converter will make in your cars acceleration. On a Jaguar with 3. 8 sec Standing ¼-Mile: 11. Calculate GEAR, RPM, MPH, TIRE DIAMETER. But i was wondering about. 6 speed manual - 3. I didn't drive over 55 @ about 3600 rpm. 41:1, with 205-75R14 tires did 23 MPG with a best of 26 mpg!. I've never had a big block before and I'm looking for favorable rpm's this motor would like to see for occasional highway drives of 1-2 hours. As the diameter of a torque converter decreases, the stall speed (RPM) goes up. At least the Civic's k engine is quiet at 3k rpms.