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shooterpcb · 03-15-2009, 01:10 PM

Might want to think about a AC Delco R43 or R44 plug. An AC Delco R43 will probably be better if you have higher compression with the closed chamber heads.

03-15-2009, 01:10 PM	#4
shooterpcb Registered User Join Date: Aug 2007 Location: alabama Posts: 72	Re: Best Spark Plugs Might want to think about a AC Delco R43 or R44 plug. An AC Delco R43 will probably be better if you have higher compression with the closed chamber heads.