TH350 Rebuild
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Joined: Feb 2015
Posts: 265
Likes: 12
From: Cambridge City, IN
Car: 1991 RS
Engine: 355
Transmission: TH350
Axle/Gears: 4.11
TH350 Rebuild
For all the ones that have messed around with any certain types of tranny rebuilds, whether that be a th350 or any gm trans, I would like to know what rebuild kit you got and how you liked it.
Supreme Member
Joined: Nov 2010
Posts: 1,074
Likes: 9
From: VA
Car: 88 camaro irocz
Engine: l98 tpi
Transmission: 700r4
Axle/Gears: 2.77
Supreme Member
Joined: Jul 1999
Posts: 3,479
Likes: 54
From: Calimesa, California, U.S.
Re: TH350 Rebuild
That is a "loaded question". Depends on weight, diameter and stall of the torque converter, stock type sprag or 36 element type sprag, how it is built, etc.
Junior Member
Joined: Jun 2019
Posts: 44
Likes: 4
From: York, Pa
Car: 1989 IROC-Z
Engine: 5.7L
Transmission: 700R4
Re: TH350 Rebuild
In stock form GM used TH350’s on small blocks and Turbo 400 on big block cars if that’s any indication. You can build to probably 450-500 ft lb but I would use a newer trans or the TH400 for anything really over ‘stock’.
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