Subframe problems
#1
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Car: 1986 Trans Am and 1995 Sierra 1500
Engine: 350 small block in both vehicles
Transmission: 700R4
Subframe problems
I have found that the sub frame on my Trans Am has rusted quite a lot. Is there an aftermarket sub frame replacement or is fabrication the only way to fix the problem.
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Car: 87 GTA
Engine: L98
Transmission: 700R4
Axle/Gears: Dana M78 3.27 posi
Re: Subframe problems
I've never seen an aftermarket subframe repop, so regardless of what rust you do have? A custom rebuild is most likely your only choice. The question is though.....How far gone is it? And how much will have to be rebuilt?
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Car: 1984 Trans Am
Engine: LT1
Transmission: T56
Axle/Gears: 10 bolt w/ 4.10 gears
Re: Subframe problems
Stephen, my thought was that when someone says "subframe" they may very well mean floorboard, rocker panel, or even lower radiator support. As you said, it could be one small region that can be repaired, or at the point where the car is a lost cause. I've seen theads totally change direction once pictures are introduced, so why not just cut to the pictures so we can give better advice.
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Re: Subframe problems
Stephen, my thought was that when someone says "subframe" they may very well mean floorboard, rocker panel, or even lower radiator support. As you said, it could be one small region that can be repaired, or at the point where the car is a lost cause. I've seen theads totally change direction once pictures are introduced, so why not just cut to the pictures so we can give better advice.
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Car: 1986 Trans Am and 1995 Sierra 1500
Engine: 350 small block in both vehicles
Transmission: 700R4
Re: Subframe problems
I will try to get pics, but am using as a daily drive at the moment. I can say this though 2-3 inches ahead of the connection for the rear control arm on the driver's side was rusted so bad that you could stick your finger in one side and out the other. Welded some new metal in to that area for now but not gonna hold for long I don't think.
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Car: 1990 iroc z
Engine: LSX 376 F1A
Transmission: 4l60e
Axle/Gears: 12 bolt 3.42
Re: Subframe problems
scroll down to the bottom of the page there about 700 each
http://www.classicindustries.com/con...¤tPage=2
http://www.classicindustries.com/con...¤tPage=2
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