Re: Best Spark Plugs Ever Used
been running these in my race car for yrs never had a problem best plug i ever used for times. The hotter the plug the wetter you run the hole. When you have $20k in the motor you don't skimp on cheap plugs. Nascar boys run them in AC Delco brand same i use, Some of the nascar boys run Bosh Platium, not i the racing fuel eats the platium coating off lol. I run AC Delco Iridiums in my Vette too they make a hugh difference in the running of it as well. WORST Plug i have ever used is NGK i never use them they are 100000% junk. Theirs 13 cars and 10 vessels in the yard so plugs aren't lack here either.
No they aren't pre gapped to your needs but easy to gap.
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1978 V20 Cuddy w/ 225 Johnson. And Several other boat's
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