So I put a 602 crate motor out of a late model in my grandpas old truck and now I’m just rebuilding the entire thing pretty much. Right now I’m stuck on the suspension I’m not sure if I should buy a control arm kit with a 1”, 2”, or a 3” drop and a stock spindle or a 2.5” drop spindle. I just want to make sure I don’t mess up the geometry of anything or the alignment