When did the Chevy 350 automatic transmission come out?
How to Identify a 350 Transmission. by Floyd Drake III. The Chevrolet Turbohydramatic 350 automatic transmission, or THM350, was available on all Chevrolet and most GM models staring in 1969. As the successor to the Powerglide, it was produced until 1989.
Where is the transmission code on a Chevy THM350?
According to Roadkill Customs, only the THM350 has this pan shape and 13 bolts. Locate the transmission code. According to Teufert.net’s GM turbo 350 transmission page, the code for 1969 to 1972 transmissions is on the passenger side accumulator cover.
Where do you find the transmission number on a 350 transmission?
The 350 transmission is easily identified visually, by counting the pan bolts and by locating transmission number. This number contains the year of manufacture, but does not identify the transmission as a THM350. Count the number of bolts on the transmission pan. Located underneath the transmission, the pan has 13 bolts.
Can a GM Turbo 350 transmission be repaired?
If you have correctly assembled the unit, and it passed the air checks to the clutch drums through the openings in the case during assembly, any issues should be relatively easy to diagnose and repair.
What kind of transmission does a GM TH350 have?
GM TH350 Automatic Transmission The TH350 is an automatic shift, three-speed transmission. The TH350 transmission was introduced in the 1969 model year as the successor to the GM Powerglide automatic transmission. The HydraMatic 350 transmission was prevalent in nearly all GM, rear-wheel-drive cars and trucks through 1984.
Can you change the engine on a Chevy 350?
Chevrolet created a strong after-market for the engine by making so many of them and making them easy to work on. Performance enhancing changes are effective, but there is a warning. Any change to the engine may run into local ordinances concerning pollution or noise. Always check first.
What kind of transmission does a Chevy 350 have?
Jointly developed by Chevy and Buick, it is also referred to as the CBC (Chevrolet-Buick Combined) 350. The Turbo 350 quickly become known for its strength, versatility and compactness.
Can a GM Turbo 350 transmission be rebuilt?
If your Turbo 350 came from behind a lighter duty motor, don’t worry. These transmission can be affordably rebuilt with stronger components in nearly every area. Additionally, shift improver kits are available to provide firmer, quicker shifts, reducing slippage, heat and clutch wear.