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General Category >> Rubber Side Down! >> Exhaust paint prepping.
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Message started by oceantransistor on 12/19/12 at 22:41:45

Title: Exhaust paint prepping.
Post by oceantransistor on 12/19/12 at 22:41:45

I've decided my exhaust manifold is too far gone and rusted to try to make good. I'm on a budget and need to know what would be the power tool to use to sand it down and paint it black. Do I need to prime it too? Any one with some expertise please help.

Any links on the topis and the paint to use would be of great help too.

Title: Re: Exhaust paint prepping.
Post by Dave on 12/20/12 at 04:51:14

The best approach is to take it somewhere and have them sandblast it. Places that make headstones often will sandblast stuff cheaply. Then buy a good Ceramic type 2,000 degree exhaust paint and follow the directions for curing. Don't get the exhaust too hot all at once. If you cannot cure it in an oven - then start the bike and just run it for a very short period - like 10 seconds at first......then let it cool for a while and do it again. Each time you can run it just a little longer. You don't want the paint to smoke. If you cure it properly it is pretty durable - if you get it too hot too quick it will flake and peel.

Title: Re: Exhaust paint prepping.
Post by Paraquat on 12/20/12 at 06:06:39

Blast, I like to scuff, high temp prime, then paint.
Don't be a sucker for 500 degree. Jump to the 2000 degree.

--Steve

Title: Re: Exhaust paint prepping.
Post by WD on 12/20/12 at 06:28:51

3M stripping wheel will do a great job, painted my muffler and tail pipe years ago (like 7 years now). 3M wheel and bbq paint. Run the wheel over the entire piece to be painted wipe down with acetone, paint. Several short heat cycles, fully cool down between each one, then go for a 20 minute ride.

BBQ flat black is less expensive than 2000 degree header paint, just as durable, easy to touch up if needed, cheap and readily available.

Title: Re: Exhaust paint prepping.
Post by SALB on 12/20/12 at 20:58:52

+1 on the BBQ paint. ;)
Wood stove paint works well, also.

Title: Re: Exhaust paint prepping.
Post by Boofer on 12/20/12 at 23:02:36

http://i663.photobucket.com/albums/uu351/Boofer56/bth_DSCF0041.jpg

Used a belt sander to rough up chrome. Didn't try to get chrome off. Rustoleum High Temp Primer and paint. Stays on good. Took about an hour. Autozone.