Uncovering the original paint - aka how do you remove a lot of rattle can

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Cupertino, CA
I need some help with working out the most efficient way to get the original paint back. When I bought this 71 40 last year I knew it had paint issues, but that didn't worry me so much as the body/frame was in good shape:

IMG_4556.webp

After working on it and addressing the major issues I decided to try and find out what was under the paint. The seller admitted it was a hunting truck and his father went in the garage weekend and came up with rattle can brown, but there were some hints of blue, so I wasn't sure.

Tonight I took the kick vent and went at it with some 800/1500 and then some cutting compound by hand.

kickvent.webp

The top right shows some of the top coat darker brown, then there is a layer of blue under that, then there is a very thin brown followed by a lighter tan layer (Coronado Beige?). By accident I went too hard with the 800 and went through to the under coat (yellow) and hit bare metal. (bottom right)

Right now my approach would be to use 800 to take it down to the blue and then perhaps get a DA polisher and use a heavy cutting compound to take out the blue back down to the base beige. The top layer is pretty thick orange peel at this point, hence the thought of using wet and dry 800 to try and get the bulk of the spray paint off and then slow down to something more gentle to take out the blue without damaging the lower level too much.

Thoughts/ideas?
IMG_4556.webp
kickvent.webp
 
I need some help with working out the most efficient way to get the original paint back. When I bought this 71 40 last year I knew it had paint issues, but that didn't worry me so much as the body/frame was in good shape:

View attachment 593490

After working on it and addressing the major issues I decided to try and find out what was under the paint. The seller admitted it was a hunting truck and his father went in the garage weekend and came up with rattle can brown, but there were some hints of blue, so I wasn't sure.

Tonight I took the kick vent and went at it with some 800/1500 and then some cutting compound by hand.

View attachment 593491

The top right shows some of the top coat darker brown, then there is a layer of blue under that, then there is a very thin brown followed by a lighter tan layer (Coronado Beige?). By accident I went too hard with the 800 and went through to the under coat (yellow) and hit bare metal. (bottom right)

Right now my approach would be to use 800 to take it down to the blue and then perhaps get a DA polisher and use a heavy cutting compound to take out the blue back down to the base beige. The top layer is pretty thick orange peel at this point, hence the thought of using wet and dry 800 to try and get the bulk of the spray paint off and then slow down to something more gentle to take out the blue without damaging the lower level too much.

Thoughts/ideas?

It would probably be easier just to sand it down and repaint. It's going to be an awful lot of work to keep doing what you're doing and you'll continue to burn through in spots.
 
Use 200. Or stripper.
 
Going with lacquer thinner

After looking more at the FAQ here and finding this on you tube:

How to Remove Spray Paint From Your Car ! - YouTube

I went with lacquer thinner:

lacquerThinnerStripped.webp

it takes a little bit of work, but less chance of burn through or needless scratching of the base coat. The underlying paint is pretty decent and I'm looking forward to cleaning the body work down.

Thanks for looking
lacquerThinnerStripped.webp
 
It would probably be easier just to sand it down and repaint. It's going to be an awful lot of work to keep doing what you're doing and you'll continue to burn through in spots.

X2.. I tried to salvage my factory blue paint and after a day of sanding I wasn't really saving anything do to burn through or finding smaller surface rust that had gone beyond that stage.

Got out the DA and 180 grit and had it sanded down in about 4 hrs.

I'm gonna shoot epoxy primer on mine before the factory paint color goes back on.
 

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