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-   -   Tips for Painting assembled motor with Rust (https://www.offshoreonly.com/forums/detailing-painting-fiberglass/273446-tips-painting-assembled-motor-rust.html)

jlbspd 03-30-2012 05:11 PM

Tips for Painting assembled motor with Rust
 
Looking for tips on painting my 350ci motor I am pulling out to replace a ring gear on.
The motor has rust all arounf the mounting feet of the motor, exhaust manifolds are starting in places and others spots all about.
What is the best way to remove / convert/ paint the motor? What products to use? rust converters/ POR15 / Primers/ hi heat paints?
Just want to freshen it up and make it look nice and shiney :bunnydance:
Im pulling the intake and manifolds to paint them seperately....

POWERPLAY J 03-30-2012 05:27 PM

No biggie. Wire brush, red scuff pad, (try to remove as much rust as possible) metal prep, 2 part epoxy. Then base/clear or singlestage. If done properly it will last many years.

ezstriper 03-31-2012 08:11 AM

can't beat rustoleum to fight rust..even use as a bilge paint

jlbspd 04-01-2012 12:58 PM

Thanks....
Didnt know if using POR15 or the like (pricey) would be a better choice than rustoleum or the like for preventing future rust.
What about hi heat areas such as manifolds? Ive used hi heat rattle cans on auto headers and after a few months, they always start to rust....any ideas for manifolds?

onesickpantera 04-02-2012 08:05 AM


Originally Posted by POWERPLAY J (Post 3652768)
No biggie. Wire brush, red scuff pad, (try to remove as much rust as possible) metal prep, 2 part epoxy. Then base/clear or singlestage. If done properly it will last many years.

Taking the advice of J and others on here this is what I did. I taped off all openings to the engine to protect the internals and took a wire wheel to the rust spots. Then cleaned very well and shot with epoxy primer.

jlbspd 04-02-2012 06:13 PM

What 2 part epoxy suggested ? can we name brands on here? :party-smiley-004:

POWERPLAY J 04-02-2012 07:08 PM


Originally Posted by jlbspd (Post 3654635)
What 2 part epoxy suggested ? can we name brands on here? :party-smiley-004:

I use and reccomend either Dupont or PPG. I do know PPG sells in smaller sizes than Dupont. If you can find a jobber that wil mix and sell it to you in 10o/z you will get 2 good coats and be golden. You can spray anything over the epoxy.

jlbspd 04-03-2012 01:52 PM

PowerplayJ, is this easily sprayed or does it typically need to be thinned?

POWERPLAY J 04-03-2012 02:18 PM

Its easy to spray. No no reduction necessary.


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