tb to tpi
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From: streator, il 61364
Car: 1985 iroc-z28
Engine: 305ci tpi
Transmission: 700r4
tb to tpi
i have a 1985 iroc z 28 with a tpi 305 with a spun bearing, purchasing another 305 that is tb out of a 1991 rs . i am just wondering if there was much change in the 305s and if my tpi setup with bolt up with no problems?
Joined: Dec 2004
Posts: 16,752
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From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: tb to tpi
You will need to use the 92 flexplate assuming you have a automatic. The center holes of the intake will need to be elongated on the tpi base or you can find a 87-92 tpi intake to install.
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Joined: Jul 2011
Posts: 344
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From: Delaware
Car: 92 Firebird, 91 Trans Am
Engine: L31 with HSR, LB9
Transmission: 700R4, 700R4
Axle/Gears: '99 10 bolt 3.90, '01 10 bolt 3.42
Re: tb to tpi
Swap your heads and intake and you shouldn't notice a difference.
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