Subframe upgrade?
09-22-2011, 07:16 PM
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Car: 1988 Gta trans am project 1-1/2
Engine: 86 4 bolt main cammed sbc 355 hsr
Transmission: 89 wc bw t5
Axle/Gears: Bw 9 bolt (3.27) pbr 11in
Subframe upgrade?
Hey does anyone know if you can upgrade a third gen subframe/frame to a 4th gen. I was thinking about it, and I need to buy all new connectors and whatnot, but just curious if anyone has heard of this. Thanks in advance 
09-22-2011, 07:44 PM
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Car: 86 Trans Am, 92 Firebird
Engine: 408 sbc, 3.1L of raw power
Transmission: TKO600, T5
Axle/Gears: Moser 9", 3:70 trutac, 3:23 torsion
Re: Subframe upgrade?
there is no "frame", so no you cant.
at least one person has cut the front end of a 4th gen and grafted it to a 3rd gen, from the firewall forward, so they could use the 4th gen front suspension design. Thats a crap ton of work, defiantly not a DIY project.
nothing from the 4th gen front end will bolt or line up in any way to a 3rd gen. However, the rear suspension is the same
at least one person has cut the front end of a 4th gen and grafted it to a 3rd gen, from the firewall forward, so they could use the 4th gen front suspension design. Thats a crap ton of work, defiantly not a DIY project.
nothing from the 4th gen front end will bolt or line up in any way to a 3rd gen. However, the rear suspension is the same
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