Re: Best Spark Plugs Ever Used
I use NGK in my Yamaha, it did nOT seem to like anything else??
My truck has AC Delco in it and believe they are factory. I will be tuning soon as with the new gas and almost 75,000 miles I think it is time.
I have always use Auto lite, I find they work great and I am old school were I tune every spring and change the plugs, so there only there at tops 20,000 mile
But I have used Champion and AC in the past with out problems!
Bottom of my list is Awfull Crummy (AC)
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1986 V20 
Old Fishermen never die, we just SMELL that way!!
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