JUST WANT SOME FEED BACK ON 2 SPARK PLUGS ......RIGHT NOW IM RUNNING THE LIGHTNING PLUGS IN MY 97 5.4 PROCHARGED APPLICATION....ANY ONE HEARD OF BRISK SILVER RACING PLUGS(THEY HAVE OTHER PLUGS TOO)....THEY USE SILVER IN THE ELECTRODE AND CORE ...SHOWS SILVER IS THE BEST CONDUCTOR OF ELECTRICITY AND HEAT .........IM ALSO LOOKING AT THE E3 SPARK PLUG( THEY ARE COMING OUT WITH A FACTORY REPLACEMENT FOR THE LIGHTNING PLUG)..........IVE SEEN TESTS ON BOTH AND IT LOOKS GOOD BUT ANYTHING CAN BE MADE TO LOOK GOOD............ANY FEEDBACK WOULD BE GREAT
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