What does a Turbo 350 transmission pan look like?
Look at the transmission pans on both transmission. Both transmission pans have 13 bolts, but they have a different shape. The TH-350 uses a square pan, with one corner cut off. The TH-400 uses an oblong-shaped pan with one side having a “hump” in the pan and one side is curved while the other two sides are straight.
How do I know if I have TH350 or TH350C?
Locate the stampings on the side of the transmission. The TH350 had part codes M33, M38 & M39. The TH350C, which is a TH350 with a lock up torque converter, had part codes MV4, MX2, MX3 & MX5.
How do I identify a TH350 transmission?
Count the Number of Bolts However, you can tell if it is a TH350 or TH400 depending on the transmission oil pan’s shape. If the pan is square in shape and looks five-sided due to a cut in one corner, then you are dealing with the TH350.
Are all TH350 the same?
Externally, all the TH350 transmissions look the same; however, internally there are some differences. Depending on the engine size of the car the transmission was removed from, it can have anywhere from 10 to 18 friction discs and 10 to 18 steel clutch plates inside.
What is the gear ratio of a TH350?
Gear ratios vary, but the Turbo 350 typically has a first gear ratio of 2.52 to 1.00; 1.52 to 1.00 for second; direct drive in third; and 2.07 to 1.00 in reverse.
What is the gear ratio of a Turbo 350?
The Turbo 350 featured gear ratios of 2.52-to-1 for first gear, 1.52-to-1 for second and 1.00-to-1 for third. In contrast, the Powerglide had gear ratios of either 1.82-to-1 for first and 1.00-to-1 for second or 1.76-to-1 for first and 1.00-to-1 for second.
Can you run a TH350 without kickdown cable?
On a 350, it’s just a kick down cable, no problems. One an 700R4, it’s a throttle position cable and if it’s not hooked up it will burn up the transmission.
Is a TH350C a good transmission?
The TH350 is an automatic shift, three-speed transmission. It is widely considered to be one of the greatest of automatic transmissions ever built.
How do I identify my Pontiac transmission?
While there are no distinctive pans and bolt counts to make transmission identification simple, 4-speed manual transmissions can be generally identified by examining the side profile. The shape of the main housing will give a reasonably reliable indication of the transmission group to which your gearbox belongs.
How much HP will a TH350 handle?
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.
How much horsepower can a Turbo 350 handle?
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.
What gears are in a TH350?