TH-350 Heavy Duty Rebuild Kit
#1
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Joined: Jan 2002
Posts: 3,852
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From: Valley of the Sun
Car: 82 Z28
Engine: Al LT1 headed LG4 305
Transmission: TH350
Axle/Gears: 3.73 posi with spacer
TH-350 Heavy Duty Rebuild Kit
I want to rebuild the th350 tranny in my 82Z and would like to know of a good heavy duty rebuild kit. I would like to try and rebuild it myself. I will be getting the Ron Session's Turbo Hydra-Matic 350 book soon. I am looking for a kit that will last a while behind a solid roller cam 383 in my sig making more then 400hp.
I've found several kits around but am unsure of which kit will work the best and last the longest.
Thanks
I've found several kits around but am unsure of which kit will work the best and last the longest.
Thanks
#2
Supreme Member
iTrader: (1)
Joined: Apr 2002
Posts: 4,671
Likes: 1
From: Waterloo, Iowa
Car: 86 firebird with 98 firebird interi
Engine: pump gas 427sbc Dart Lil M 13.5:1
Transmission: Oldani TH400 w/ BTE 9" convertor
Axle/Gears: 31 spline Moser/full spool/4.11Rich
Get one from BTE, all our race trannies are built with these internals and have been just awesome. Invest in the better drum/sprag as well since this is the TH350's weak point. Oh, the book your getting is the same one I got under a pile of dust an inch thick. After reading through it, finally made more sence to pay my guy $150 since he knows trannies inside and out and knows how to tweak and tune these things...something this book or any book will never be able to do
#3
Thread Starter
Supreme Member
Joined: Jan 2002
Posts: 3,852
Likes: 0
From: Valley of the Sun
Car: 82 Z28
Engine: Al LT1 headed LG4 305
Transmission: TH350
Axle/Gears: 3.73 posi with spacer
Ok thanks, I went to there website and they didn't have any rebuild kit in the online catalog. So i ordered a hard copy.
#4
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iTrader: (1)
Joined: Apr 2002
Posts: 4,671
Likes: 1
From: Waterloo, Iowa
Car: 86 firebird with 98 firebird interi
Engine: pump gas 427sbc Dart Lil M 13.5:1
Transmission: Oldani TH400 w/ BTE 9" convertor
Axle/Gears: 31 spline Moser/full spool/4.11Rich
Finally went into the throne and got my catalog for a TH350 that's non-lock-up part number is 359000 $109.95. Conatins everything needed to rebuild and freshen up your tranny.
high performance clutches, seasls, new bushings, paper/rubber kits, rings, filter and reusable pan gasket.
You can get the racing kit and that includes everything for a light freshen upaper/rubber kit seals and sealing rings. p/n 358600
TH 400 $104.95 master overhaul kit 449000 race kit $34.95 p/n 448900
350 drum w/ 36 element sprag p/n 343900 $264.95
400 drum w/ 34 element sprag p/n 443900 $195.00
high performance clutches, seasls, new bushings, paper/rubber kits, rings, filter and reusable pan gasket.
You can get the racing kit and that includes everything for a light freshen upaper/rubber kit seals and sealing rings. p/n 358600
TH 400 $104.95 master overhaul kit 449000 race kit $34.95 p/n 448900
350 drum w/ 36 element sprag p/n 343900 $264.95
400 drum w/ 34 element sprag p/n 443900 $195.00
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