Surface rust on Hood
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Senior User
Joined: May 2010
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From: Oregon
Surface rust on Hood
Question for the body guys.
I have surface rust on my hood and want to sand and primer it.
I've never worked with metal before. What grit do I start with and what brand of primer would you guys recommend?
I won't be getting it painted till next year, but since I live in Oregon and we have really wet winters, I wanted to take care of the surface rust.
I have surface rust on my hood and want to sand and primer it.
I've never worked with metal before. What grit do I start with and what brand of primer would you guys recommend?
I won't be getting it painted till next year, but since I live in Oregon and we have really wet winters, I wanted to take care of the surface rust.
Cargo Master
Joined: Apr 2009
Posts: 3,038
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From: South west Idaho
I do old 30 model cars,if its surface rust I use 120 with a orbital sander. Then I use 2 coats of good primer ,hand sanding between them with 220 . let it sit until I'm ready to paint,sand again with 320 and use a primer sealer before I paint. I'm not a painter but thats worked for me most of the time. Sometimes I go at it a little different depending on how bad the body was and how much repairs I'v done to it.
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From: Residing in the shwa. On.
120 grit is a good paper for rust with an orbital but if u plan to leave it in primer for the winter which is not the best thing to do, you will probably have to resand and prime in the spring. Make sure you use a primer that has a sealer in it, primer will absorb moisture and the cancer will bleed back through.
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Senior User
Joined: May 2010
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From: Oregon
120 grit is a good paper for rust with an orbital but if u plan to leave it in primer for the winter which is not the best thing to do, you will probably have to resand and prime in the spring. Make sure you use a primer that has a sealer in it, primer will absorb moisture and the cancer will bleed back through.
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From: Residing in the shwa. On.
There is not much else you can do other than saving your money and doing it properly. If you want to do a winter "bandaid" and I mean Bandaid! sand it down, prime and do a temporary paint job on it with a couple spray bombs and when you go to paint it, sand it back down to primer and prep for paint. Whatever you do DO NOT use tremclad or any oil based rust paint, you will have to strip it all the way down to the metal and start over. good luck!
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I have had a 66 mustand in black primer now for 5 or 6 years. I simply added a little flat black paint to the primer and it does just fine.
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Posting Guru
Joined: Dec 2007
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From: London, Ontario Canada
we used a air sander, and 100 Grit sandpaper, then we had to use a thin layer of body filler to get out a few pings, and then we sanded it all smooth, and then coated it with a nice coat of Black epoxy primer, did the entire truck and frame with that stuff as well during the frame off restoration, then we followed up with Grey filler primer on the hood and body, and then sanded that down smooth, then we did a few more coats of primer and sanding, and then finally tacked it all down and blew it off with the air compressor, then some coats of paint, and then of course clear coat, (of course there was more too it than just that, as the cab corners and bed had panel repairs done, so it took awhile!)
i would get it clean of rust, then get it sealed with primer and some paint, even just temporary paint from a spray can would be better than just leaving it rusty, or just leaving it in primer, as primer tends to absorb moisture, so unless you can store it in a garage for the winter, and your not driving it, then it would be fine, but i would get it sealed before winter,
-Brent
i would get it clean of rust, then get it sealed with primer and some paint, even just temporary paint from a spray can would be better than just leaving it rusty, or just leaving it in primer, as primer tends to absorb moisture, so unless you can store it in a garage for the winter, and your not driving it, then it would be fine, but i would get it sealed before winter,
-Brent
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