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spark plugs

Posted: November 1st, 2009, 7:17 pm
by stephenjr2000
what does the code "BKR6E-11" mean
and what are the disadvantages of using a spark plug with "BKR5E-11"

Posted: November 1st, 2009, 7:28 pm
by wagonrunner
Image

BKR5E would be more prone to detonation, than BKR6E