Best Spark Plug to use
I've used them all over the years.
BPR7ES
BR7ES
BPR8ES
BR8ES
BPR7EIX
BR7EIX
BPR8IX
BR8EIX
Using the 8 Heat Range plugs in my car now BR8ES and have always used the Coppers. My car seems to prefer the non-protruding tipped plugs.
Never noticed any bit of difference whatsoever vs the irridiums at idle, cruise, WOT. Nothing
My .02
BPR7ES
BR7ES
BPR8ES
BR8ES
BPR7EIX
BR7EIX
BPR8IX
BR8EIX
Using the 8 Heat Range plugs in my car now BR8ES and have always used the Coppers. My car seems to prefer the non-protruding tipped plugs.
Never noticed any bit of difference whatsoever vs the irridiums at idle, cruise, WOT. Nothing
My .02
Good hearing insight on usage. what did you gap your plugs usually at? Could you go very aggressive on some vs. others? I recently replaced my BPR7ES with 8ES', but been getting CEL codes OFF/ON: random misfire. I think I gapped them .024? any advice?
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