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Old 07-31-2010, 05:46 AM
FOMOGO FOMOGO is offline
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Default 68 Front suspension help

Been lurking and learning on here for a while now. I am now in need of some sub frame dimensions and hope somebody can help me out. I am working on a 1968 Firebird OHC 6 car. This is a restoration with a few suspension upgrades. Just to bring it up to more current standards. Disc brakes, sway bars, gas shocks and radials. While tearing down the sub frame I discovered that the lower control arm bolts were loose enough that you could turn them by hand. When I got it apart it now has elongated holes in the sub frame. Does anyone have the correct measurements for the bolt holes off of the centerline or center of bolt across to center of bolt? Another point of interest was the fact that it had no shims on the upper control arms. So I also need to know what the distance should be between the upper mounts. This car is a convertable, not driven hard and I dont think it has a problem with the sub frame collapsing but I want to check everything that could lead to my current issues. Personally I think the lack of shims comes from the lower bolt holes being elongated and letting the assembly splay outwards, increasing the camber until it cant be corrected. I have spent hours searching the web for the dimensions but come up empty handed every time. I hope that someone has this information. I really would like to fix what I have if I can. Thanks in advance for any and all help.

Doug
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