Am I putting my car at risk? In June, the rear quarter panel was replaced due to an accident. So it has aftermarket welds there....also the car was on a frame straightener for a good period of time to try to straighten her back out.

Now it's repaired and I want to install sub frame connectors to improve on the flex.
Is it possible to actually damage my car by installing these? I heard once the bolts are tightened the frame begins to slightly pinch...whatever that means..
I'll be installing bolt on Alstons


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91 Formula
305 TPI 5speed
1LE/G92/WS6
K&N, SLP airfoil, ported/polished plenum, March pulleys, TB coolant bypass,Crane AFPR(47psi),Crane Gold 1.6rrs,MSD coil,MSD6AL, Holley 9mm wires,Bosch O2sensor, SLP headers & catback,3:73s w/Auburn posi,160* t-stat,JET 195* fan switch, Macewen white face gauges, Autometer gauges, Zoom hi-performance clutch.
Street legal with stock throttle body, runners,intake manifold,cam, and heads.

 

I don't see the bolt-ons being a lot of help. Once the bolt holes stretch/wear, you're going to be no better off, and all you'll have to show for it would be a screwed up undercarrage. The weld-in SFCs will help to substantially stiffen up your chassis, and as long as it's straight to begin with, you won't have any problems.

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The IROC Homepage
<A HREF="http://www.rit.edu/~jli4307/camaro" TARGET=_blank>
View the restoration of an 85 IROC</A>
"I didn't know a bored out Ford could go so slow" -Shenandoah

 

Thanks Jim, I just spoke with a body guy here. He said go with the weld ins as well. He stated the frame channels tend to cave in some with bolt on connectors in any
car.Just use the weld in type instead he said.

 

Hey jim, What are your opinions on welding the bolt ons? I knew some mustang guys that swear to it.

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'82 Firebird, dead stock, 9 bolt disc rear, over 200,000 miles and still going strong, more to come...
http://www.spinfrenzy.com/stingerssx...easures.html#4

 

welding is welding, whether you do it to the bolt-ons or the ones designed to be welded on, but my guess is that if the weld-on ones didn't have a specific advantage, they'd just make the one set and tell you to weld them.

------------------
The IROC Homepage
<A HREF="http://www.rit.edu/~jli4307/camaro" TARGET=_blank>
View the restoration of an 85 IROC</A>
"I didn't know a bored out Ford could go so slow" -Shenandoah