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Old 06-11-2003, 08:39 AM
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por-15 and sandblasting

ok, I am now restoring a 1961 MGA 1600. I have been sandblasting and painting every part seperately with por 15. I find it sticks quite well with the sand blasted steel. After sandblast, I degrease, wash with water, metal-ready, wash with water then dry and paint. I find if you do it on sandblasted steel, best thing to do is apply atleast 4 coats. 2 coats will scratch off fast. when I used 4 coats, it almost looks and feels like a powder coat. It works quite well if you apply atleast 4 coats.

I am considering having my frame dipped and galvanized, then por 15 it. Is galvanizing a good idea? or should I just sandblast and por 15?

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Old 06-11-2003, 09:49 AM
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Por15 works best on rusty but otherwise clean, bare steel, next best on sandblasted steel and worst on clean, smooth steel as you have discovered. I wouldn't suggest galvanizing. Would be overkill, It's difficult to paint (POR15 may stick ok, but paint doesn't like it), welding will become problematic and it sounds really expensive.

If you are wanting great protection from decay and that powder coated look why not powder coat it? I powder coat all my fames, suspension parts, engine blocks and heads, trannys (clear if I polish them), etc. See the Willys and Pontiac chassis on my photo album. They are totally powder coated. Probably would end up being cheaper than the system you described.

Last edited by willys36@aol.com; 06-11-2003 at 03:52 PM.
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