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Swapping TH350 into your Jeep

Turbo 350 Chevy tail shaft

by Terry L. Howe


Swaps

T-18
T-19
T-98
NP435
NV4500
SM420
SM465
TF727
TH350

Jeep Trans

Upgrades
Factory Options
General


The Turbo 350, aka TH350, automatic transmission is a stout 3 speed automatic transmission. It has been used in various GM cars and trucks over the years. Because it is a reliable, common, and short transmission, it is probably the best automatic transmission to swap in a short Jeep such as a flat fender or CJ-5.

Swapping a TH350 into your Jeep does not make much sense unless It is used with a GM engine. The engine adapter is not available for all engines used in Jeep vehicles and it adds to the cost of the conversion. An adapter of some sort will be required to bolt a TH350 to a Jeep transfer case.

TH350 vs. TH400

Some people will argue that a TH400 is everything a TH350 is, but it is stronger. It is a stronger transmission, but there are a couple important advantages to the TH350. The biggest advantage of the TH350 is that is is 3" or 4" shorter than the TH400. It would be very difficult to fit a TH400 in a pre '72 CJ and hard to do for a '72-'83 CJ-5. The couple inches makes a big difference which makes it an excellent choice for a short Jeep. The other advantage is the TH350 is more efficient than the TH400. The Turbo 400 wastes more power than the Turbo 350, so the Turbo 350 will have a snappier feel.

TH350 Swap Stories

Pieces and Parts Transmission: The Turbo 350, aka TH350, automatic transmission is a stout 3 speed automatic transmission. It has been used in various GM cars and trucks over the years. Because it is a reliable, common, and short transmission, it is probably the best transmission to swap in a short Jeep such as a flat fender.

TH350 Identification

The TH350 has been used in many different GM cars and trucks. There are several variations of the TH350, the transmission you should look for depends on what engine you are using.

Turbo 350 Chevy tail shaft Turbo 350 : Finding a Turbo 350 three speed automatic transmission.

Last modified Wednesday, 01-Dec-2010 08:13:04 MST


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Comments:

Eric (9/5/2012)
Hello I ahve a 89 jeep and would like to bolt in a chevy 350, do you know if it will bolt to my stock automatic jeep tranny???


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