lt1 + t5 ?

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Jan 24, 2012 | 08:52 PM

kill4thril

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Joined: Feb 2010

Posts: 222

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From: liverpool ny

Car: 1990 firbird formula

Engine: 355ci

Transmission: t56 spec3+ cluch

Axle/Gears: 9 bolt disc brake 2.77

lt1 + t5 ?

Will my t5 transmission out of my 1990 firebird bolt up to an lt1?

Jan 24, 2012 | 08:58 PM

89lt1

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Joined: Mar 2007

Posts: 83

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From: silver lake indiana

Car: 1989 firebird formula, 1991 z/28

Engine: none LSX! one day, 350tpi

Transmission: none t56 one day, t5

Axle/Gears: 9-bolt 3.45, 10 bolt 3.73

Re: lt1 + t5 ?

yes it will. same flywheel clutch and everytihing.

Jan 31, 2012 | 11:12 AM

TexasLT1

Supreme Member

Joined: Oct 2000

Posts: 3,819

Likes: 3

From: Angleton, TX

Car: '92 RS

Re: lt1 + t5 ?

Will it bolt up? Sure. Will it last very long? Not if you regularly drive in a spirited manner. I had a T-5 behind my Hotcam LT1 for around 2 years and rebuilt it twice in that timeframe, and it needed another set of synchros when I finally swapped in the T-56. Also you'll have to fab up a speed sensor to input to the LT1 PCM.