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| | | Forums66 Topics128,094 Posts1,056,489 Members48,444 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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| | | | Joined: Sep 2019 Posts: 204 'Bolter | | 'Bolter Joined: Sep 2019 Posts: 204 | Can someone explain to me why paint thinner eat's cast aluminum? I bought an old pressurized paint pot and the agitator paddle's have been eaten down to almost nothing. | | | | | Joined: May 2015 Posts: 11,101 Housekeeping (Moderator) Making a Stovebolt Bed & Paint and Body Shop Forums | | Housekeeping (Moderator) Making a Stovebolt Bed & Paint and Body Shop Forums Joined: May 2015 Posts: 11,101 | Are you sure it wasn't water that ate the paddles, and not paint thinner? Aluminum doesn't like alkaline conditions. Maybe someone used some trisodium phosphate solution to clean it out. TSP solution is very caustic (alkaline) with a pH of 12-14.
Kevin 1951 Chevy 3100 work truckFollow this saga in Project JournalPhotos 1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car) Busting rust since the mid-60's If you're smart enough to take it apart, you darn well better be smart enough to put it back together. | | | | | Joined: Dec 2015 Posts: 2,063 Big Bolt Forum Moderator | | Big Bolt Forum Moderator Joined: Dec 2015 Posts: 2,063 | I have a couple of older paint pots I was using to clean brushes and had left some paint thinner in them (not Lacquer thinner, but paint thinner, like mineral spirits.) Mine looks all etched inside as well, come to think of it, so does the one I use for painting and keep lacquer thinner in it. | | | | | Joined: Dec 2018 Posts: 2,450 'Bolter | | 'Bolter Joined: Dec 2018 Posts: 2,450 | Chevies tillId If you notice at swap meets you will see quite a few eaten-up manifolds. | | |
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