The XP iridium plug has a nickel plated shell to fight corrosion. All automakers and plug makers do not recommend using antisieze on plug threads....
You have to be carefull when gapping a iridium alloy p[lug. You cannot use a slide type gapper that touches the centerwire, in fact you should...
Depends! and you can ask me anything. If you install the XP plugs, you get a little better power and fuel economy and a plug that will have no gap...
If your not getting any misfires under a load, the gap is fine. .060 is really a big gap for a performance negine though
for a stock engine, I would recommend using Autolite Xp plugs, they are fine wire iridium alloy spark plugs. Better combustion, bigger flame...
The spark event is bigger because having the side wire cut back unshrouds the spark. It just helps keep the flame going in a performance engine
plug gapping Large plug gaps came into vogue with car makers in the late 70's and early 80's. The thinking is that the larger flame kernal would...
Gapping autolite racing plugs Hi, I am the Technical manager at Autolite spark plugs. Also a hard core Ford racer. You gap the race plugs the...
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