How to protect aluminum/alloy wheels
ALFA ROMEO 147 (937)
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17.06.20 Back to topics
Repainting an aluminium engine block
ALFA ROMEO 156 (932)
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@user_1939452 Oct 17, 2023MemberHi all,
I’m looking for some advice on how to clean and paint again
an aluminium engine block (close up photo of a couple of pieces
attached): it seems oxidized (is it oxidized? Not sure what the white
stains are).
Project is to make a showcase piece.To clean it I’m thinking about using:
– first pass: Gunk 6868 5L Ultra Engine Degreaser
– second pass: White spirit
Good idea?To repaint:
–
I would like to avoid sandblasting or vapour blasting it (too
expensive), so: would the paint stick to the stained aluminium as per
photos?
Any advice it would be really appreciated!Thanks,
Walter
Reply 17.10.23 19.10.23 - @user_1939452 Oct 17, 2023MemberForgot to link the close up image, here you go: https://pasteboard.co/Vt7GRom33eCA.jpgReply
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@Squick Oct 18, 2023MemberI am more inclined that in this condition it is better to sandblast and powder paint if it is possible. This is what will actually last well and for a long time. Everything else, in my opinion, is not durable and everything peels off.Reply - @user_1939452 @Squick Oct 18, 2023MemberReally useful advise, thanks!I was hoping of using an aluminium deoxidizer but…not sure it will pay offReply
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- @user_1939452 Oct 19, 2023MemberI have a homemade sandblaster that I may test (perhaps too hash on
aluminium?). I got a quote to vapour blast (more gentle than pure
sandblasting?) all the 9 piece of the engine (including the engine
block) for £200 (no idea if it’s a good price or not).Reply
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