Ford Mustang Forum - View Single Post - spark plug fouling
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post #3 of (permalink) Old 03-09-2016
2oo5GT
SHELBY GT 350 Member
 
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Joined: Nov 2007
Location: Valdosta
Posts: 5,089
 
Oem is the best. I know when I bought my 05 mustang in 2006, bought granetelli COP boots about a week after after owning it. 3 took a crap in one week. So since 2006 and several stangs and lightnings later, oem cop's only.
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