vin help
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Joined: Oct 2010
Posts: 44
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From: carol stream
Car: 87 firebird formula
Engine: 305 tpi
Transmission: t5
Axle/Gears: 373:1
vin help
im looking to figure out my engine and tranny codes and i bumped my rear end up to a 3.42 and need to find what teeth of gears i need for the speedo
i have an 87 firebird formula 305 tpi 5spd manual tranny
i have an 87 firebird formula 305 tpi 5spd manual tranny
Joined: Sep 2005
Posts: 28,003
Likes: 2,486
Car: Yes
Engine: Usually
Transmission: Sometimes
Axle/Gears: Behind me somewhere
Thread Starter
Junior Member
Joined: Oct 2010
Posts: 44
Likes: 0
From: carol stream
Car: 87 firebird formula
Engine: 305 tpi
Transmission: t5
Axle/Gears: 373:1
Re: vin help
And I was planning on building 388 stroker over winter and need to know what tranny can handle all that torque sence mines only rated to 250 and looking for Manuel
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