Re: Which Brand of Spark plug do you run??
so after checking somethings my car has autolite 26 plugs. Is that plug to hot for just headers,modified airbox,tune? I honestly have never heard of the 26. I am used to running ngk iridiums in everything I have owned. Would it behove me to replace them?
So I went ahead and bought some ngk vpowers per Todd P's recommendation. When I pulled all the old plugs out there were 7 autolite 26's and one ac delco. I am sure you can guess where the ac delco plug was. Car runs leaps and bounds better with the new plugs.
Last edited by indy91zr1; 07-29-2018 at 09:02 PM.
Reason: add info
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