Re: 68 gmc bent frame or suspension sag?
I hear that chevy are prone to being off in the rear. But I figure if the frame was bent it would also look uneven in comparison to the front of the bed to the rear window. But mine is level there, only off when compared to the ground.
Even with the frame on jack stands, if they are all the same height then the measurement would be equal even if there is a slight twist. Maybe I am over thinking but I can't figure out a good way to measure for a bent frame vs suspension sag.
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