Just throwin out some expierience in this one, My local monument place had NP sand blastin my 52 sheetmetal they also commented on its thickness in places like th fenders an doors but put some xtra care into the hood an such, they have expierinced workers that did a supperb job so my body man said ..NO WARPIN at all on any of the panels like the hood wich I was fearful of.
