Subject: Platinum Plugs... are they worth it? IP: Logged
Message: Forgive me if this has been already asked... but are platinum plugs really worth it on the 4.7? I was thinking about changing out the Autolite 3923 that have in there right now... but not sure if I should.
Thanks.
2002 4.7L SLT Plus CC, 4x2, Magnaflow Exhaust, 180 T-Stat, HO cams, 360airintake.
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Subject: Platinum Plugs... are they worth it?