So from what I've read nobody says anything bout using a primer on the head or jug. I know less paint is better to help with heat but I also know that aluminum is supposed to be primed b4 painting, but I've also heard of using chemicals to treat aluminum b4 painting, but idk anything about it. So how have you guys done it?
Primer for head n jug?
- Thread starter tbrooks
- Start date
just clean it with a good degreaser and use a light coat of high temp engine paint.
found this..... the duplicolor brand has ceramic resins for better heat dissipation.
Dupli-Color :: Engine Paint with Ceramic
it does not call for a primer coat......
http://www.duplicolor.com/pdfs/tips.pdf
found this..... the duplicolor brand has ceramic resins for better heat dissipation.
Dupli-Color :: Engine Paint with Ceramic
it does not call for a primer coat......
http://www.duplicolor.com/pdfs/tips.pdf
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Thanks awk but actually it does on the second page. Says when painting bare metal use a self etch primer first. I got some High temp (1200 I think) bbq paint that I was gonna use, I've read some people have used that. I just haven't read anybody say they used primer and wondered if I should
so your jug is completely bare ?
did you sandblast it bare ?
if not, refer to step 3 at the bottom of page 2
either way, i'd only use the paint, if you get into primer, paint, clearcoat your going to be trapping heat
Try finding some of the paint that's made specifically for auto radiators. Eastwoods used to have some. As I remember, it sticks to aluminum and has a lower insulator value than other paints.
I agree with above posters with using no primer, for high heat applications I have NEVER used any primer. I'm not even aware of any high heat primer is available.
Note: for normal paint on aluminium, you should use an etch primer, its a yellow color and works with an activator.
Again, I have om many occasions not used the primer, and never had issues yet.
Note: for normal paint on aluminium, you should use an etch primer, its a yellow color and works with an activator.
Again, I have om many occasions not used the primer, and never had issues yet.
Not sure how the extra heat would effect it but as far as adhesion to aluminum; Bull Dog adhesion promoter works well.
On another note, has anyone tries anodizing on any of the engine castings?
On another note, has anyone tries anodizing on any of the engine castings?
I agree and didn't wanna use primer because of the heat just wasn't sure how well the paint would adhere to the bare aluminum. I was hoping their might be some sort of chemical rubdown to prep the aluminum. I used etch primer on all the rest of my parts I think it was Duplicolor and supposed to be good for aluminum and steel, but was afraid of it trapping to much heat.
Aw ****
Glad you told me. Guess I'll look into the duplicolor or radiator paint although I wouldn't think the radiator paint would be made to withstand as much heat. Maybe I'll just leave it bare
Aw ****
Seems like 300F
