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View Full Version : is it normal for piston crowns to be black


dan23
06-02-06, 08:57 PM
just taken head of the piston crowns are black is this normal carbon build up or are the ringson their way out?
burgo
07-02-06, 12:17 AM
very normal
Lee
07-02-06, 05:28 PM
very normal

Agree, its time to worry if theyre not TBH lol