Originally Posted by Cosnada

I am dealing with a factory paint finish and so will be celly as its 30 years old. I am not bothered if I cut back to steel but I want to get a nice surface.

Not heard of paint wrinkling before but I am guessing that the heat generated could peel paint potentially in the exo' stage. I will build up the mould over a few days to prevent warp and shrink etc.