Spark Plugs ?
Senior User
Joined: Feb 2005
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While you're getting the spark plugs, also make sure you get a distributer cap and rotor with COPPER, and not aluminum. The 10 bucks more you pay now will come back to you over the next tank or two, and it'll last.
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Thanks everyone, already got the cap, rotor, and wires. All are copper and the wires are high end 9mm.
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Originally Posted by d_stange
How much fuel mileage do you gain from a copper cap and rotor?
BTW, "hi performance" low resistance wires also cost me 1 MPG.
I went back to motorcraft wires and plugs, and get my cap and rotor from Napa.
Maybe if I took the tool box and camper shell off and
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