The TH350 from the mfg. indicated it was designed to handle 350tq and Gm soon realized it would handle much more than originaly designed for.
The Stage 1 TH350 is rated up to 450 hp. Those seeking something a little stronger can check out the Stage 2 version (PN PA35102) that holds 550 hp and retails for $1,500 with a real world street price of $1,175 from most vendors. Both transmissions come with a standard one-year warranty.
Beside this, What’s better TH350 or TH400?
Automatic transmission fans will tell you that a TH400 is a stronger transmission, but the TH350 is shorter (meaning easier to adapt in smaller-bodied cars), and it saps a lot less horsepower from the engine to make it work. … These transmissions weigh about 125 pounds.
Likewise, Will a Turbo 350 hold up to a 454?
Re: Will a turbo 350 hold up behind a mild 454? Should be fine as long as you don’t beat on it and the 350 has been rebuilt. The 350 is a dang strong tranny.
Also, How much longer is Turbo 350 than Turbo 400?
The overall length of the TH-400 is 38 inches, while the overall length of the TH-350 is 33 5/8 inches, if both use the longest tail shafts available. The TH-400’s body is 25 inches and the TH-350’s body is 21 5/8 inches long.
What is the length of a 350 Turbo transmission?
21-3/4″
20 Related Question Answers Found
How much HP will a TH350 handle?
The TH350 from the mfg. indicated it was designed to handle 350tq and Gm soon realized it would handle much more than originaly designed for.
Are Turbo 350 and 400 torque converters the same?
Yes they are the same and the converter will work on a TH400.
Will a TH350 bolt up to a 454?
You need a flex plate specific for a 454 because it’s externally balanced. The 700R4 and TH350 bolt on identically. The TH400 torque converter has a different bolt pattern on the torque converter but most aftermarket flexplates have a dual bolt pattern to fit the TH350/Th400 torque converters.
What is the best transmission for a 350 Chevy engine?
Turbo Hydra-matic 350
How much horsepower can a TH350 handle?
The TH350 from the mfg. indicated it was designed to handle 350tq and Gm soon realized it would handle much more than originaly designed for.
Which transmission is better TH350 or 700R4?
While a vehicle with 4.11 gearing may scream down the highway with a a TH350, it’s going to keep the engine in the power band longer. The 700R4 goes from a 3.06 -> 1.62 1-2 shift, which is way more aggressive than the Turbo 350’s 2.74 -> 1.57. Simply put, the TH350 is going to keep the vehicle in the power band longer.
Is the 700R4 transmission any good?
The 700R4, produced by General Motors/Hydramatic, is considered one of the best overdrive transmissions ever made. … This transmission had a lower first gear ratio, which was good for performance at low vehicle speeds, while the 30% overdrive provided significant fuel economy improvement.
Is a 700R4 better than a TH350?
While a vehicle with 4.11 gearing may scream down the highway with a a TH350, it’s going to keep the engine in the power band longer. The 700R4 goes from a 3.06 -> 1.62 1-2 shift, which is way more aggressive than the Turbo 350’s 2.74 -> 1.57. Simply put, the TH350 is going to keep the vehicle in the power band longer.
Will a TH400 converter fit a TH350?
They are interchangeable, if you use the 13″ converter in a TH350, be sure it clears the case. If you are doing a TH400 deal, use the TH350 converter… Be sure the flexplate is drilled for both patterns.
Can you replace a 700R4 with a TH350?
700r4 & th350 can utilize the same trans mount. Shift linkage interchanges. Standard linkage adjustment will need to be done.
How much longer is a 700R4 than a Turbo 350?
Length And Weight The TH350’s case length is 21 5/8 inches. Depending on the tail shaft housing, its overall length can either be 27 5/8 or 30 5/8 inches. The 700R4’s case length is 23 3/8 inches and its overall length is 30 3/8 inches. The TH350 weighs 120 lbs., while the 700R4 weighs 155 lbs.
What year is the best 700R4 transmission?
1987
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