TH350 rebuild advice, please.
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Joined: Jun 2002
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TH350 rebuild advice, please.
My 82 Z is getting a new 350 (close to 400hp). What is the best way to beef up the TH350? What are the best kits for this application? What is the appx. cost for the rebuild and how long should it take? Thanks in advance.
Mike P
Mike P
Supreme Member
Joined: Mar 2001
Posts: 3,306
Likes: 78
From: Fl
Car: 5.3L turbo 2800lbs RWD
Engine: Prefer 3L Iron & 5.3L Aluminum
Transmission: 4l80e
Axle/Gears: 3.512
listen to what Dana, (Pro-built) tells you.
My opinion is that TH350s are very strong an can handle nearly 500 Horsepower in stock form, but not forever... My TH350 is stock with 2 mods: B&M Shiftkit, Race Clutches... and it holds up to my 550 Ft. Lbs of torque with ease... but Dana will be building me a 700R4 soon because I want gas mileage and I dont trust stock anything for very long behind that kind of power.
My opinion is that TH350s are very strong an can handle nearly 500 Horsepower in stock form, but not forever... My TH350 is stock with 2 mods: B&M Shiftkit, Race Clutches... and it holds up to my 550 Ft. Lbs of torque with ease... but Dana will be building me a 700R4 soon because I want gas mileage and I dont trust stock anything for very long behind that kind of power.
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