spark plugs
05-10-2009, 06:02 AM
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spark plugs
whats the best plugs to run with gas 406 sbc alum heads has autolight 3910s in it now
05-11-2009, 03:07 AM
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I have always used a Jap plug. NGK, Nippondenso. Seem to last forever. After selling auto parts for 10 years, never liked an american plug. I even use Jap plugs in my 94 v-6 Firebird.
05-11-2009, 06:48 PM
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spark plugs
what would be a good number in ngk like to have one to work with nos
05-12-2009, 03:19 AM
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All throttle, no bottle. couldnt'. answer that one.
05-12-2009, 03:25 AM
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Just remember, in an NGK plug the lower the number on the plug the hotter it is!
TS1955
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