Lower control arm shims

[fiatslug87]

I see in the 87-90 parts catalog there were two size shims, a 0.95 and a 4.00 mm. How much angle change is made for each 1mm of shim added/removed on stock suspension? Thanks.

[HOrnbrod]

It's probably not a hard and fast rule, but I packed in one additional 4.0 mm shim behind each LCA when I did the 3" lift. Caster went from ~4° back to ~7°.