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69ss/rs · 12-22-2015, 12:35 PM

Run E3s, in all my street cars. Gas economy and power both improved, love them. Haven't used them in a race engine yet. Only concern about using them in a race engine is haven't seen a wide range of heat ranges.

12-22-2015, 12:35 PM	#12
69ss/rs Junior Member Join Date: Feb 2009 Posts: 82 Likes: 0 Liked 0 Times in 0 Posts	Re: E3 spark plugs Run E3s, in all my street cars. Gas economy and power both improved, love them. Haven't used them in a race engine yet. Only concern about using them in a race engine is haven't seen a wide range of heat ranges.