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How to keep cylinders from rusting?

Discussion in 'Resto Corner' started by mr happy, May 18, 2018.

  1. mr happy

    mr happy Active Member

    Evening all,
    Just wondering what others have done to keep cylinders from rusting? I've been reading a little and there are mixed views on painting and how it affects cooling, anyone got their 0.02c?

    Mr h
  2. rstucke

    rstucke Well-Known Member

    Wamberal NSW AUS
    leave them alone, they're cast iron, they don't need paint.
    by the way for those who bang on about paint retarding heat flow (which is true), you my want to think about the oxide layer which establishes its self on unpainted cast iron and causes the same problem so it really doesn't matter . Years ago fins on air cooled motorcycles were painted black for looks and heat dissipation. You don't see the fins on a vw.
    David H, mr happy and Wayne murray like this.

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