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Old 06-17-04, 01:31AM   #1
72 LeMans
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Default 72 is in bare metal, a temporary way to prevent rusting??

Just need it to hold off for a couple of weeks till we shoot the primer. Any tricks?
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Old 06-18-04, 01:04AM   #2
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is that like a primer or you just wipe it on? I'm new to this bodywork stuff.
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Old 06-18-04, 01:31AM   #3
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What grit sandpaper should i use before applying it? Sorry for all the questions, just want to do it right.
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Old 06-18-04, 12:28PM   #4
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Mike
If you've sanded the car down to bare metal.. you don't really need to use metal prep.
It is a good product, but has it's quirks.

for about $15.00 you can buy a can of aeorosol bare metal etching primer.
LIGHTLY apply a "dusting coat" over the bare spots only.
followed up with Epoxy primer, if the car's sitting for a while, or you need a barrier coat.
if it's a straight panel, and only needs prep work for painting.
Then use Urethane primer directly over the etch primer, block, reprime, and you're ready for paint.

Whatever you do though.
try to avoid using either the metal prep, or etch primer around body filler.
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Old 06-21-04, 08:13PM   #5
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Thanks for the replys guys. Heres the situation.

I have taken the car down to bare metal. I am going to be doing filler work before I prime. Or should I prime, then do filler work? Its just going to be awhile either way, i just dont want the car to start rusting while its sitting. Thanks
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Old 06-26-04, 07:30AM   #6
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Do what Marty said- put self etching primer on it- is has the same acid base in it that the metal prep has, but you can spray it on and don't have to wipe it off by hand- much easier than metal prep. I used both and metal prep is like the stone age, that's what we used back in the 1980's before self etch primer. I buy self etch by the gallon and it's a 2-part system- not a hardener but a mild acid type thinner you add in that does the etching. The "primer" part is actually zinc which is a great anti-rust agent of course. But if it sits outside with a thin coat it WILL rust eventually- my Firebird has some surface rust again. I put the self etch on both my cars after sandblasting them to bare metal. The GTO was put inside and has no surface rust at all. It's best to put a good coat on per directions, then put epoxy over it within a week. Epoxy is bulletproof- you can let a car sit outside apart for years with 1" of water in the floors and trunk, and if it was expoxied it won't even rust. That's how tough it is. I have to ask Marty about the urethane primer...
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