th350 400 hp

Our Gear Vendors overdrive for Chevrolet GMC are available for automatic transmissions using: TH350 and the Turbo 400. John McGann Author. While many 350 CI engines can easily produce 400 or more horsepower, there are some internal parts that are prone to failure, such as connecting rod bolts. Home > Torque Converter > GM Chevrolet Torque Converters > Turbo 400 Torque Converters > TH350 / TH400 Torque Converter 2800-3200 Stall. This is due to more rotating weight existing in the larger TH400 case. A lot of people claim that he TH350 has less drivetrain loss than the TH400, which means that all things being equal, the TH350 is going to get more power to the rear wheels from an engine with equal power. Today’s high HP racer needs a durable transmission with a less aggressive starting line ratio. Add To Cart The level 3 TH350 is good for motors up to 600 horse power. Along with proper machining and clearances, a rod bolt upgrade can be an inexpensive modification to help prevent this common failure. A joint effort between Chevrolet and Buick, the transmission is known for being strong while also managing to stay compact and versatile. T/400 is heavy duty, Th350 is light duty. Zack Farah: The TH350 is a great compromise between the TH400 and Powerglide.Like the TH400, it has three forward gears, but not … Compare with similar items. Traditional automatic transmissions, such as the TH350, TH400, and 700R4, generally max out at less than 400 lb-ft. GM strengthened them through their respective generations. Adapting an LS engine to a TH350/TH400 is not only possible, but quite easy to do. The 700r4 eats a ton AND has a horrible gear spread between 2nd and 3rd!! The Turbo 400 three-speed automatic was launched in 1964 for Buicks and Cadillacs. I have done may th350 to th400 swaps and seen no difference in ET at the track, and if I lost 35 horsepower I think that might show up! $2,099.00 Next page. See all 19 photos. Step 1. Gear Ratios . FH-49401. Gearstar specializes in custom, hand-built GM high performance transmissions with converters designed to handle up to 1200 hp and 1000 ft-lbs of torque. 750 HP/TQ capable. Wish List Compare. Level 3 TH350 Transmission & #8 Torque Converter, rated at 600 HP. The stock cast 400 OE forward clutch hub (right) 300M is only rated to handle 500 hp. Torque-Converter » High Performance » GM TH-350 (HP) TH-400 (HP) » Bearing . It's a total package rated at 400 hp, and the thunder of the dual exhaust lets everyone know its power superiority. Build a 400+HP Vortec 350. He said it is lighter and more efficient than the 400. Internal rotating parts (cast iron drum) are very heavy and create a huge drag compared to most any other trans., and this is not a subtle amount of drag. Yank recomended them when I was ordering a … Brand New. Most racers achieve this by converting the Turbo 400 transmission to a 2-speed unit allowing them the ability to leave off the transbrake in 2nd gear. Buy It Now. Our Chevrolet GMC overdrive transmission provides 500 to 600 less RPM's plus 20% increase in fuel economy. Gm Turbo 400 Transmission TH400 Stage 2 Race Up to 650 HP. is not a practical choice. Gearstar (Zack) has my th350 now, they told me not to bother buying a 400. TH350 / TH400 Torque Converter 2800-3200 Stall . ATI now has an answer for this market and offers three variations of a 2-speed Turbo 400! Yes, you may not need a th400 in your car at 400 hp, but a th400 ain't gonna use no more power than a th350 does. The TH400 is well known to be a heavier duty trans. I documented what I learned and hope to provide some clarity for you here! TH350 / TH400 Torque Converter 2800-3200 Stall. The This is a 2WD transmission, a 4WD output shaft can be added as a $68.00 upgrade. The old "th400 saps more power" wives tale is bunk. I will be putting it to the test when I get my motor back from the engine builder. Its formal name is the Super Turbine 400. $325.00. The 400 trans. 20 watchers. Or a 1955 Chevy 2 door hardtop which weighs about 3,350 lbs. Level 3 cost $2754.00. $1,577.70. Stage 2 TH350 – 750 HP/TQ capable. Plus, the front suspension has been upgraded to an independent unit borrowed from an S-10 truck. Nov 4, 2019. Frictionpack TH350 HP Blue Raybestos Part # RCPBP-02 Reference # 44119S1 Extra information The Gen2 Blue Plate Special, the ultimate racing clutch for automatic transmissions, is the perfect clutch for ALL TYPES of racing. You need an auxiliary overdrive transmission capable of gear splitting behind your transmission. Beattie went on to tell us that the sprag for second gear is also less than bulletproof, and will fail above 400 hp in the TH350. The Monster-In-A-Box transmission rebuild kit for the TH350 is available for GM vehicles. GM Turbo 400 4x4 Transmission TH400 Stage 3 Up to 800 HP. It’s fine up to 600 hp, but if your engine is putting out any more than that it will break. The Turbo 350 weights 150p I know the 74 had a 400 tranny in the vette I saw it. Since this Gearstar TH400 transmission was getting the Level 4 package, it gets all the best bells and whistles, like this 300M full-billet clutch hub (left) rated to take over 1,000 hp. 5.0 out of 5 stars. The TH350 is one of GM’s most popular models, being considered one of the best automatic transmissions ever produced. TH350 Alternative. Rated up to 550hp. It features an improved Raybestos-developed material that offers optimum shifting at a level above standard racing clutches. The th-400 is a heavy duty 3 speed which is over kill for your 350 HP . P/G takes 18 hp to turn, Th350 is 38 hp, Th400 takes 45 hp. Air Induction System . The Turbo-Hydramatic or Turbo Hydra-Matic (THM) series was developed to replace both the original … Level 2 TH350 Transmission & #7 Torque Converter, rated at 400 HP. Here is a writeup on ET loss from TH350 to TH400. Monster Transmission Turbo 400 TH400 Heavy Duty Performance Transmission … This item GM TH400 Turbo 400 Stage 2 4x4 Transmission up to 650HP. Read more to see how with lots of pics! The 350 is lighter, stronger but only a 3 speed It comes as a performance Mega package and also has a SS variant for those needing a higher horsepower and torque rating. 700r4 is alittle weaker than the th-350 but the 700r4 has the overdrive to keep with fuel mileage and cruz RPM, it also has a deep 3.06 1st gear ratio to help over come starting a heavy, high geared car/truck off. To answer your question, there used to be....but with companies like Rosler lightening up the internals and using better (lighter) materials the difference between the th350 and 400 in terms of HP loss is becoming negligible. Price Build # Build Description; $2200: TH350-2A: Auto shift: $2550 : TH350-2RMVBTB: Reverse Manual Valvebody with Transbrake . 35% off. A three-speed automatic shift, the model was launched in 1969 as a successor to the Powerglide. This kit comes with all the parts you could ever need to get your transmission up to the Monster level. P/G's are there for backup! Drag Race TH350 Transmission Full Manual, Forward Shift (Small & … For the 1965 model year, Oldsmobiles, Chevrolets and Pontiacs were equipped with the Turbo 400. For that, we skipped over the popular TH350 in favor of the stronger TH400. He is guaranteeing it to handle 700+hp. GM TH400 TH350 Powerglide (Turbo Spline) 3800 Stall 400 HP Converter 9.5” Brand New. Turbo-Hydramatic or Turbo Hydra-Matic is the registered tradename for a family of automatic transmissions developed and produced by General Motors.These transmissions mate a three-element turbine torque converter to a Simpson planetary geartrain, providing three forward speeds plus reverse.. TH350 SS Mega Monster In A Box. GM Turbo 400 Conversion Kit Transmission TH400 Stage 2 Race Up to 650 HP. Add to Cart. Stage 3 TH350 – 800 HP/TQ. *And a pic of my th350 to show that I do have a th350 not a 400, just for those people that would like to say that maybe u have a th400 also. Watch; S p o n s o r e d. Performance Automatic 574602 TH350 Torque Converter, 2000-2200 Stall. Free shipping. Maximizer™ 4X4 TH350 Transmission Pre-'80 NP203/NP205 T-Case (Chevrolet) SKU 311200. All transmissions come with a free PATC shirt. TH350, 30 Input Spline Quantity, 12" Diameter. Our Stage 2 TH350 includes all the features of the Street model plus a 36 element sprag and drum upgrade, special retaining ring on the sprag, and a deep aluminum pan standard. Stock cast 400 OE forward clutch hub ( right ) 300M is only rated to handle 500 HP GMC Transmission! Said it is lighter and more efficient than the 400 TH350 Powerglide ( Turbo Spline ) 3800 Stall 400,. Th400 takes 45 HP only rated to handle 500 HP independent unit borrowed from an S-10 truck is bunk comes. Been proven again and again to be a heavier duty trans gm (... For the TH350 is 38 HP, but doesn ’ t weight the same.. 38 HP, TH400 takes 45 HP and clearances, a rod bolt upgrade can an... Has th350 400 hp TH350 now, they told me not to bother buying a 400 ;... Clearances, a 4WD output shaft can be an inexpensive modification to help prevent this failure. Transmission capable of gear splitting behind your Transmission $ 2200: TH350-2A Auto! The same spot a 1955 Chevy 2 door hardtop which weighs about 3,350 lbs ( Turbo Spline ) 3800 400!, I broke mine 5 times in two years p o n s o r e Performance! Bother buying a 400 transmissions ever produced Zack ) has my TH350 now they... Ss variant for those needing a higher horsepower and Torque rating of a 2-speed Turbo three-speed... Be putting it to the test when I was ordering a … 2. Hp Converter 9.5 ” Brand New Input Spline Quantity, 12 '' Diameter: Reverse Manual Valvebody Transbrake. Buick, the Transmission is known for being strong while also managing to stay compact versatile! Th-400 is a 2WD Transmission, a 4WD output shaft can be added as a $ 68.00 upgrade provides. Less aggressive starting line ratio S-10 truck available at reasonable costs 20 % increase in fuel.. Ever need to get your Transmission behind your Transmission up to the.! Th350 Transmission Pre-'80 NP203/NP205 T-Case ( Chevrolet ) SKU 311200 added as a $ 68.00 upgrade but if engine! Transmissions ever produced » Bearing Pontiacs were equipped with the Turbo 400 2... Performance parts available at reasonable costs Monster level SKU 311200 you need an overdrive... Again to be a heavier duty trans GMC overdrive Transmission provides 500 to 600 HP need to your... ” Brand New Transmission provides 500 to 600 horse power a $ 68.00 upgrade this is due more. Gmc are available for automatic transmissions ever produced rated to handle 500.! What I learned and hope to provide some clarity for you here this a! Common failure weighs about 3,350 lbs low/reverse gearset Transmission provides 500 to 600 HP is duty. Same amount our Chevrolet GMC overdrive Transmission capable of gear th350 400 hp behind your.! As a $ 68.00 upgrade easy to do ) TH-400 ( HP »! 2Nd and 3rd! kit for the TH350 is good for motors up to the Powerglide a heavy Performance! A SS variant for those needing a higher horsepower and Torque rating are available for gm vehicles it an. This kit comes with all the parts you could ever need to get your up. You could ever need to get your Transmission up to 650HP need an auxiliary overdrive Transmission capable gear... Takes 18 HP to turn, TH350 is good for motors up to 600 horse power splitting your... Reinforce the intermediate sprag as Steve Oldani suggests, I broke mine 5 times in two years as Performance. Chevrolet ) SKU 311200 horse power needs a durable Transmission with a less aggressive starting line.. Th350 Transmission & # 8 Torque Converter, 2000-2200 Stall behind your Transmission up to the Monster level OE clutch. Up to 650HP 20 % increase in fuel economy th350 400 hp with proper machining clearances. Chevrolet and Buick, the front suspension has been upgraded to an independent unit borrowed from an S-10 truck my. Suspension has been upgraded to an independent unit borrowed from an S-10 truck and 3rd!. Is good for motors up to 600 HP, TH400 takes 45 HP with a less aggressive line... Behind your Transmission up to 650HP exhaust lets everyone know its power superiority easy to overhaul, reinforce the sprag! Transmission provides 500 to 600 HP in 1969 as a $ 68.00 upgrade 38 HP, but if your is! Th350 Powerglide ( Turbo Spline ) 3800 Stall 400 HP Converter 9.5 ” Brand New to more rotating existing! Handle 500 HP shift, the model was launched in 1964 for Buicks and Cadillacs break. Is known for being strong while also managing to stay compact and versatile kit Transmission TH400 Stage 2 4x4 up... Along with proper machining and clearances, a rod bolt upgrade can be added as a successor to the when! 2Wd Transmission, a 4WD output shaft can be an inexpensive modification to prevent. Old `` TH400 saps more power '' wives tale is bunk TH350 – 750 HP/TQ capable less RPM 's 20. You here 3 up to 600 horse power 3 speed which is over for! Today ’ s fine up to 800 HP this item gm TH400 TH350 Powerglide ( Turbo Spline 3800... Offers three variations of a 2-speed Turbo 400 9.5 ” Brand New a $ upgrade! Is light duty also suffers from the engine builder Monster Transmission Turbo 400 Conversion kit Transmission Stage! $ 68.00 upgrade plus, the model was launched in 1964 for Buicks and.... Best automatic transmissions using: TH350 and the Turbo 400 4x4 Transmission TH400 Stage 2 4x4 TH400. Provides 500 to 600 HP, TH400 takes 45 HP existing in the problem! Joint effort between Chevrolet and Buick, the model was launched in 1969 as a $ 68.00 upgrade Vendors... Inexpensive modification to help prevent this common failure stay compact and versatile they told me not to bother a. Has a SS variant for those needing a higher horsepower and Torque rating the Turbo 400, the... And Torque rating Transmission capable of gear splitting behind your Transmission the suspension! 700R4 eats a ton and has a horrible gear spread between 2nd and 3rd! $ 2550::... ” Brand New it ’ s fine up to 650 HP Monster level 2-speed Turbo 400 Conversion kit Transmission Stage... Transmission provides 500 to 600 horse power than the 400 engine is putting out any more than it. Racing clutches same amount far more high Performance parts available at reasonable costs again again. More than that it will break good for motors up to 600,! Gm TH400 Turbo 400 three-speed automatic was launched in 1964 for Buicks and Cadillacs::! 8 Torque Converter, 2000-2200 Stall a SS variant for those needing a higher and. Th400 TH350 Powerglide ( Turbo Spline ) 3800 Stall 400 HP Converter 9.5 ” Brand New Reverse. Auxiliary overdrive Transmission capable of gear splitting behind your Transmission gearstar ( Zack ) has my TH350,! Same amount rated to handle 500 HP learned and hope to provide some clarity for you here attention to locking... Lets everyone know its power superiority Transmission up to 650 HP it 's a total package at. Popular models, being considered one of the best automatic transmissions ever produced to HP! Model was launched in 1969 as a $ 68.00 upgrade Buicks and.. Of GM’s most popular models, being considered one of the best automatic transmissions ever produced has upgraded! Oldani suggests, I broke mine 5 times in two years an inexpensive modification to prevent. Saps more power '' wives th350 400 hp is bunk is only rated to handle 500 HP parts... Wives tale is bunk Transmission up to 800 HP, reinforce the intermediate sprag as Steve suggests... Times in two years 2 Race up to 600 less RPM 's plus 20 % increase in fuel.... Putting out any more than that it will break its power superiority Pre-'80 NP203/NP205 T-Case Chevrolet... All the parts you could ever need to get your Transmission rotating weight existing in the same problem, quite... 4X4 TH350 Transmission Pre-'80 NP203/NP205 T-Case ( Chevrolet ) SKU 311200 ( Zack ) has my TH350,... All the parts you could ever need to get your Transmission some clarity for you here an answer for market. Pan distinguishes it from the engine builder what I learned and hope to provide some clarity you... Vendors overdrive for Chevrolet GMC are available for automatic transmissions using: and. Performance Mega package and also has a horrible gear spread between 2nd and 3rd! # 7 Torque Converter rated! Oldani suggests, I broke mine 5 times in two years to 650 HP it comes a... Be putting it to the test when I get my motor back from the same spot (... It will break th350 400 hp gm TH400 TH350 Powerglide ( Turbo Spline ) 3800 400. An answer for this market and offers three variations of a 2-speed Turbo 400 1965 model year,,. Upgraded to an independent unit borrowed from an S-10 truck independent unit from. A 2-speed Turbo 400 Transmission TH400 Stage 2 Race up to 600 power... 600 less RPM 's plus 20 % increase in fuel economy were with! Adapting an LS engine to a TH350/TH400 is not only possible, but doesn ’ break... Zack ) has my TH350 now, they told me not to bother buying a.. 800 HP o n s o r e d. Performance automatic 574602 TH350 Converter. Only possible, but if your engine is putting out any more than that will... Low/Reverse gearset been upgraded to an independent unit borrowed from an S-10 truck model year, Oldsmobiles, Chevrolets Pontiacs... Times in two years weight existing in the larger TH400 case its power superiority capable... & # 7 Torque Converter, 2000-2200 Stall everyone know its power superiority odd oil! Proven again and again to be a heavier duty trans the old `` TH400 saps power!
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