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killing stock spark plugs

Posted: Mon Dec 23, 2019 8:00 am
by ptyfk8
yesterday for the second time I killed my spark plugs after 10 laps at the track, after that missfire above 5,000rpm's....

Any recommendation?

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Re: killing stock spark plugs

Posted: Tue Dec 24, 2019 1:50 pm
by D-Rob
Those plugs are fouled; likely from the additive you're using.

Re: killing stock spark plugs

Posted: Fri Dec 27, 2019 12:53 pm
by Hondata
Are you using octane booster? A red deposit and fouled plugs a very common with boosters.