Page 2 of 2
Posted: Mon Jul 06, 2009 3:17 pm
by ultrasonic
Nicely done. I bet that will look great.
Posted: Mon Jul 06, 2009 3:38 pm
by magicmike
All my paint fell off the alluminum after a year. I neglected to use an etching primer like I should have.
Posted: Mon Jul 06, 2009 4:01 pm
by evolutionmovement
I used an etching primer and still had the same problem. Same brand paint, too. Intake manifold seems better, but I haven't installed it yet. I wonder if aluminum absorbs oil to some extent and after 15 years or so, requires soaking in degreaser for an extended period first. I know the paint is good as I've seen it on other things, so it must be something I did wrong.
Posted: Mon Jul 06, 2009 8:36 pm
by vrg3
Some aluminum alloys can definitely absorb oil. I know I have some aluminum cookware that is now yellow because of oil laden with turmeric. Out of curiosity I took a Dremel to it and found I had to grind a fair bit of material away before it was aluminum-colored again.