What is the difference Heat Range wise between Autolite 104 and NGK TR5?
Also what plug is better quality and longevity wise?
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What is the difference Heat Range wise between Autolite 104 and NGK TR5?
Also what plug is better quality and longevity wise?
What year/model do you drive? Also list any mods you may have.
I was told NGK was a better plug. No way to prove that just what I was told.
2002 GTP, Mods as listed
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