fstrader said:why one of my plugs crack ahhh???
fstrader said:dear sifoooo's.... why one of my plugs crack ahhh???
say to no. 7 due to your engine spark is too powerful
burn until crack 
huhuhu!!crack?try 6 lor unker fred.....heat can't transfer......using 7 on NA..causing white fouling carbon at the base on spark plug thread...i'm experience it....cookie said:master Fred increase your spark plug heat ratesay to no. 7 due to your engine spark is too powerful
burn until crack
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