Body work takes a lot of patience, it can be really frustrating if you try to ruch it. The best thing to do is take your time and be willing to redo it several times if you want it to be clean.

More than tread lightly. Leave it like you were never there, nor anyone else.
'90 X-cab 4.88's 33 BFG AT's, rr ARB, Headers, Ignition upgrade, cold air induction.
'91 X-cab 5.29's 315's BFG MT's, rr ARB, custom bumper and flatbed