Splitfire v spark plug

player4lifeov

New Member
Mar 22, 2006
39
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California
has anyone ever used this spark plug for their stang? Its a copper spark plug with a v spot on top. I bought them today but i haven't installed them yet, so i was wondering if you guys can give me some input on this or recommend something better. the car is n/a by the way
 
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Copper plugs have a life span of about 10,000 miles. Or in my case, about 6500 miles with the Motorcraft copper plugs. You will be driving along and then all of a sudden your car cannot make it up hills anymore. It feels like you are out of gas. Made that mistake once, and wont ever do it again. Stick with regular platinum plugs. Come back in 3 months and tell us when they died on you :) Im joking, but dont buy them again