Can surface rust on the M42 camshafts be cleaned off without any issue?
I have the chance to buy an M42 head, but the exposed cam lobes have started to rust...
M42 camshaft surface rust
Moderator: martauto
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steve_k
- E30 Zone Team Member

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If you can send it to autosprint near Birmingham & get them to regrind it.
if it's got t*ts or wheels it's bound to be trouble...............prove me wrong.
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mark_i
- E30 Zone Regular

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thats a bit far from here... i'm thinking since the tappets are hydraulic, they should be able to compensate for say 10 thou when the surface rust is removed
