help 305 tpi to 350 tpi swap
Thread Starter
Junior Member
Joined: Jul 2010
Posts: 6
Likes: 0
From: PGH,PA
Car: 1991 GTA
Engine: 5.0 tpi will be 5.7 tpi
Transmission: 700r4
help 305 tpi to 350 tpi swap
I need help with an engine swap. I have 2 91 gta's. hardtop and t-top. I'm taking the 350 out of the hardtop and putting it in the t-top. i need to know a few things
I know I have to switch ecu's. but will the harness be the same or will i have to swap that also?
what else will need swaped?
Should I get sub frame connectors as people say the body will twist and t-tops will leak?
any info would be great
and i hate to do it but will have parts off the 91 gta soon let me know what you need?
I know I have to switch ecu's. but will the harness be the same or will i have to swap that also?
what else will need swaped?
Should I get sub frame connectors as people say the body will twist and t-tops will leak?
any info would be great
and i hate to do it but will have parts off the 91 gta soon let me know what you need?
Joined: Mar 2000
Posts: 43,187
Likes: 42
From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
The harnesses will be the same. The exhaust may not be, though.
Subframe connectors would be my #1 upgrade, even to a V6 hardtop car.
Subframe connectors would be my #1 upgrade, even to a V6 hardtop car.
Thread Starter
Junior Member
Joined: Jul 2010
Posts: 6
Likes: 0
From: PGH,PA
Car: 1991 GTA
Engine: 5.0 tpi will be 5.7 tpi
Transmission: 700r4
Re: help 305 tpi to 350 tpi swap
yhanks i plannd on swiyching exhaust anyway.
does anyone know is the slp headers were any good?
does anyone know is the slp headers were any good?
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