Rear leaf spring shackle question? Please help!
Ok here is my question and I know it is a kinda stupid one at that. I just bought a set of 2" drop shackles for my rear leaf spring 69 GMC. It has two settings on top and one set of holes for mounting the leaf into on bottom. My question is which set of holes on the top is for the lowest stance setting top or bottom set of holes? I have tried both with not a lot of difference? I would think it would be the top most set of holes for the lowest ride right? Thanks for a confused 69 owner, Robert
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