anybody tried 'racing' plugs here???
#1
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anybody tried 'racing' plugs here???
heard NGK has one that costs double of what iridiums are nowadays and after a dyno with a evo8, added 4hp at the wheels.
hmmm...sounds too good to be true...
hmmm...sounds too good to be true...
#2
My mechanic holds a competition licence and runs Bosch Supers...
He owns a Bosch Centre though. Bosch Supers are pretty much the plug others are judged by. Start with them for $1 and work your way up, not much to be gained. I use Beru Ultra-X for no particular reason other than to try them out.
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