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Location:
Kita-Ku, Sapporo, Japan
Registered:
January 2003
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Re: plugs
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Tue, 29 July 2003 02:31
 
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you want to run hotter or colder? what temp is it now?
my rolla has 5 plugs recommended, and i've tried 6 and 7's, but 6's seem to foul least. (NGKBP6ES or Y, the Y's have a groove in the centre electrode and may be a little better if your ignition is not up to scratch)
if your plugs foul with carbon, go hotter (ie lower number) if they look overheated, get colder...
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