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I have a little extra cash right now and I'm looking to replace all my plugs. I've never even seen the ones I have right now (I bought them used). My question is what are the best plugs for Performance/Fuel Economy? What gap should they be? I see Airram.com sells both the NGK Iridium IX ($64) and NGK V-Power ($24). I've heard that Autolite are the best for the 4.7L, but I have no idea. Thanks in advance, I got money burning a hole in my pocket! :jester:
B.T.W. Does anyone have a link for instructions on how to change out the plugs?
B.T.W. Does anyone have a link for instructions on how to change out the plugs?