Will an M5 Tranny hold up to a 350 TPI?
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Junior Member
Joined: Nov 2007
Posts: 43
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From: Calgary, AB
Car: 1985 Camaro IROC-Z
Engine: 5.0L 305 V8
Transmission: T5
Axle/Gears: 3.73
Will an M5 Tranny hold up to a 350 TPI?
I'm looking to swap in a 350 TPI into my 85 IROC, but I'm wondering if the transmission will hold.
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Joined: Dec 2004
Posts: 136
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From: princeton,west virginia
Car: 89 trans am GTA,90 model trans am 350 tuneport,87 firebird
Engine: 355 small block
Transmission: 5 speed,auto 700r4
Re: Will an M5 Tranny hold up to a 350 TPI?
Should be just fine,Ive run 450 horse motors with a stock T5,wont hold up long,if you abuse it ,but if you shift like you got a little sense,then youl be alright.Just bolt your bellhousing,flywheel and use your starter off the 305 on the 350,and it should work great for ya!!! You did mean T5,?
Last edited by gary sanders; Dec 1, 2007 at 02:46 PM.
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iTrader: (3)
Joined: Feb 2007
Posts: 232
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From: CT
Car: 1992 RS
Engine: 01' LS1
Transmission: T56
Axle/Gears: 10 bolt auburn pro posi, 4.10 gears
Re: Will an M5 Tranny hold up to a 350 TPI?
i have a t-5 behind my 355 engine and its holding fine for now. but ever since i started hitting it with nos, its strarting make noise. as long as u dont gring gears it should hold up fine. if ur engine is stock i dont think youll have a problem. if u are going to get a t-5, get a world class version, they are stronger.
Joined: Jul 1999
Posts: 10,950
Likes: 27
From: Orange, SoCal
Car: 1990 Pontiac Trans Am
Engine: 355 TPI siamesed runners
Transmission: Tremec T56
Axle/Gears: 12-Bolt 3.73
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