Iridium or platinum from NGK
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4th Gear Member
Joined: Sep 2003
Posts: 1,077
From: United States
Iridium or platinum from NGK
I know that the main advantage of Iridium is that it lasts longer, but does it provide that much more power that it's worth the extra 4 bucks per plug?
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Calizic
4.6L (1996-2004 Modular) Mustang
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Aug 28, 2015 01:46 PM