Sandblasting inside trunk and hood?

acid dip works but then you would need a baking soda water dip to neutralize the acid in those tiny nooks and crannys.
Step 3 would be a sealing paint dip I supose.
Alas the kiddy pool isn't quite big enough. LOL
My uncle says cutting all those spot welds and seperating the 2 layers isn't the problem. Welding it back together without the heat warping the skin is the problem.
I have 2 67 model hoods that need restoring. I want to fixture the hood , skin down, in a cooled bed on the floor. Seperate it, stand the substructure, and tie it to the wall. Blast, paint and put right back together again. To work around and around with the spot welding will spead the heat but probably take up all of a day.
Adiquate and affordable materials in the fixture build is my puzzle to solve.
So far I have only ideas and yall are welcome to poke holes in it.
Square frame of 2"X6" lumber on the concrete floor, one side against the wall. 2 pieces of 2"X4" attached to the hoods substructure and spanned across to rest on the 2"X6" frame. 50 feet of garden hose coiled to the outer edges inside the frame. Ice cold well water circulated through the hose.
X number of cans of Great Stuff expanding foam that should form itself to the contour of the hood skin.
This much effort would demand nothing less than dry ice media.
Am I Krazy ?

Hmm, i read in another post about glueing. Apparently there is a product out there you can use to glue on body panels, no welding needed. Why not glue the inners back to the hood? Would eliminate the heat problem, and is supposed to work just as well as welding.

Sandblasted today. Warped the hood, but i don't think it is enough to be major...i can't see it. But i can feel it a lil, so i guess i'll see better when its painted...aww well. Trunk turned out beautifully however.