Quote:
Originally Posted by Leaveatrail86
So I went ahead and test the new spark plugs I bought from Precision Raceworks. Three are weak, 2 are bad and only 1 is good.
4.45, 4.28, 4.26, 4.61, 4.49, 4.47ohm’s. These plugs have less than 100 miles. Go figure. Quality control, fakes or junk?
The old plugs were 97506 as well but purchased from Burger Tuning.
5.11, 5.03, 4.47, 4.84, 4.62, 4.18. Old plugs. I was better off with the old plugs. The 4.18 I’m guessing was the culprit from the very get go. That was the issue it looks like. I’m about to reuse the old plugs, swap 2 plugs from the other set and try it out. Yes I’m gapping to .28.
If this works I’m definitely sending Precision Raceworks and email. Hopefully I can get a new set of plugs or a refund. And hopefully they can test them there before they ship them to me. Good thing I only live 57min away from them.
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Hopefully it works out for you! I never realized there could be so much variability between each cylinder on old plugs.