preping a rim for paint

Charlie M

Well-known Member
I've got a rear tire off my F14 getting ready to put on a new one and want to paint the inside of rim before doing so. Never had calcium but still lots of rust.Rim is solid so thats not a problem. Whats the best way to prep and paint it so it doesn't rust again.I've been needle scaling to get off the old paint and rust.If I'm lucking I will never have the tire off again but don't want the rim to eventually rust through and have to be replaced.
 
I use truck bed lining spray to coat my rims after I have cleaned the rust off. If you really want to go the whole 9 yards find a place that does rhino coating it has a life time warranty on it but does cost
 
i have sandblasted the rust off and then just primed them.
a properly installed calcium tire with no leaks will not rust the inside rim anyhow.you have to take care of the valve stem leaks as soon as they start, by replacing the valve stem.
also make sure the inside of rim is dry before mounting tire. use the tire goo for seating beads instead of water and soaps or other stuff. thats where the rust is happening from.
 
Clean it up the best you can and use aluminum paint. It will never rust through in your lifetime. Rust has to have oxygen to form.
 
Sand blast is the only way to do it right once. Then a coat of acid etch primer, Then use up all your leftover rattle cans.
I f you leave rust in the pores it will come back even under paint. Ever seen those nasty paint bubbles full of rust?
 
Once the rim is wire brushed or stripped with paint remover, spray it with OSPHO, wipe it down and let it dry. It is ready for primer with or without a light sanding. You can get OSPHO at Ace Hardware for abouy 10 bucks a quart. It is Phosphoric acid which eats rust and turns to a black oxide. It gets into pores and cracks and once done rust won"t form under the paint. It works very well.
 
Actually a couple of good ideas have already been shared. I'll add what I do. I have the rims blasted, and the place I use also paints. So, I have the inside epoxy primed, while leave the outside bare. I then etch prime the outside, and paint 3-4 coats of enamel. I hit the inside with normal, "whatever I have on the shelf".

Haven't had a lick of trouble yet.
 
How about a picture of one of those restored rims. I've never gone the rhino route. Seems like a little overkill. What do you pay to have a rim rhino sprayed?
 

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