Prepped and painted more engine parts over the weekend. Came home at lunch today and threw the tray in the oven to cure. I’m using Dupli Engine enamel primer/paint and I love this stuff. It’s actually gas resistant without being cured after but since this is all apart I figured why not?
My process is as follows:
-Degrease the heavy crap with mineral spirits and a toothbrush
-Air dry, media blast all surfaces, blow off in blast cabinet
-Soap and water in the sink with a few small brushes. Straw cleaner brushes are great for small areas and bolt holes
-Blow off w/compressed air
-Pre bake 250 degrees for 20 minutes to purge any moisture from the cast aluminum
(Here i put gloves on and never touch the bare aluminum if I can help it)
-Tape up sealing surfaces, etc.
-Wipe down with acetone and cotton rag, blow off any dust w/air
-Prime
-Paint
-18 hour initial cure
-Post bake 250 degrees for 25 minutes
I do 2 mist coats and one medium coat of primer, wait 30 minutes, and then 3 light coats of color with 10 minutes between w/10 minute flash time. I give a few extra minutes if it went on thicker than planned. These went on heavier than I would like on the paint but it’s tough to get good coverage between the fins without spraying a little extra.
Interior surfaces usually get a final wipe down and q-tip cleaning with isopropyl alcohol. I always fit up any spinning parts with oil and make sure there are no stray glass beads that will bite me later.
Ordered a boatload of parts last week that should get this engine all wrapped up and give me some things to do on the frame.
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