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mudlitecon
02-15-2005, 01:47 PM
What is a good aftermarket spark plug.? I am running a NGK DPR8EA-9 is there any other that will help performance wise?
mudlitecon
02-15-2005, 02:18 PM
is an iridium plug the way to go? or does it make a difference
wilkin250r
02-15-2005, 03:38 PM
An iridium spark plug has a smaller electrode, so it requires less energy to spark. Theoretically, it can handle a higher compression at a larger gap.

Iridium is also very hard, which means less gap growth, and longer spark-plug life.