How do you tell a 700R4 from a TH350?
The shape of the oil pans is one way to differentiate between the TH350 and the 700R4. The TH350’s oil pan is shaped like a square with one of its corners cut off, while the 700R4’s oil pan is basically rectangular.
What kind of transmission does a GM TH350 have?
Turbo 350 Transmission Specs. This transmission replaced the GM Powerglide automatic transmission, which was a 2 speed automatic transmission that was in production for 23 years. The Turbo 350, known by the name TH350, was used in nearly all GM rear wheel drive car and truck applications during its tenure.
When did the Turbo 350 transmission come out?
The Turbo 350 transmission was introduced beginning in 1969. This transmission was a 3 speed automatic transmission developed jointly by Chevrolet and Buick.
Where is the vacuum line on a TH350 transmission?
It will be on the side of the transmission and have a rubber vacuum line attached to it. If this fitting is on the right front of the transmission, you have a TH350. On the similar TH400 it is attached at the right rear of the transmission.
How much torque can a Turbo 350 transmission handle?
The maximum torque that this transmission could handle varied depending on the application to which it was being applied. The transmission would be modified so that the transmissions behind the stronger engines were able to handle the additional torque. The most torque from an engine that this transmission was applied to was 410 lb-ft.
When did the GM TH350 transmission come out?
This model could be found in nearly all GM rear wheel drive cars and trucks until the debut of the 700R4 in 1982. Provided are a selection of various horsepower ratings available for the TH350 transmission, including mild, heavy duty, and super sport.
The Turbo 350 transmission was introduced beginning in 1969. This transmission was a 3 speed automatic transmission developed jointly by Chevrolet and Buick.
What kind of casing is a TH350 transmission made of?
The transmission casing is made of cast aluminum. The TH350 was also known for its quite short length, with an overall length of 21.75”. That also converts into a lighter transmission that carries a weight of 120 pounds. The TH350 takes about 4 quarts in the pan, and then requires additional based on the torque converter being used.
The maximum torque that this transmission could handle varied depending on the application to which it was being applied. The transmission would be modified so that the transmissions behind the stronger engines were able to handle the additional torque. The most torque from an engine that this transmission was applied to was 410 lb-ft.