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Junior SCH Member
Spark Plugs?
Just wondering what plugs some of you guys are running with your 99+ 4.6l Mustangs, and what gap? and pro-charger....
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Autolite 764's I beleive are what we are running in a friends car... 2 steps colder than stock and they are gapped at .035 with spark blow-out now that his MSD took a crap and it's bypassed. He is getting another MSD, but in the mean time I am going to try a .028 gap on it to see what it does. That is what most people are running on here with great success... between .025 and .030.
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Junior SCH Member
We usually run NGK TR6 plugs gapped at .030-.035 for all of our stret based 4.6L cars.
Chris
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Junior SCH Member
IMHO the best plugs I've used on my cars and friends' cars are the Motor Sport Plugs part # AWSF 22C which are a one heat range colder than stock. I've used them on every car I do the install on and they are perfect. I usually gap them at 0.35. I just had to gap them to 0.28 on my buddy's car because anything more than that and it will blow out the plugs.
Hope I helped.
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Junior SCH Member
Thanks for the info guys!
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Junior SCH Member
We have been running NGK TR6 plugs at .032-.035 here at the shop.
Chris
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Junior SCH Member
I also have the same question but for a '94 with AFR heads??
Thanks...
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