I've read that there's a 2" difference, stock. Going 4" in back should end with a LEVEL truck. If you want a slight rake, go 3". Mine has 2" front & rear, so the rake is the same as stock...I put a load on every now & then.

cm


If you can't fix it with a hammer and screwdriver, you need a bigger hammer.
1965 Chevy C10