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Username Post: A education on Spark Plugs
grumpyvette 
Senior Chevytalk Moderator -- Performance Subject Matter Expert --
Posts: 16163
grumpyvette
Age: 66
Loc: FLORIDA USA
Reg: 03-16-01
02-20-12 12:48 PM - Post#2192991    
    In response to MikeB

  • MikeB Said:
Precious metal electrodes (iridium and platinum) last longer, so will maintain the proper gap for a much longer time. They have allowed new car mfrs to extend plug change recommendations to 100K miles. If platinum-tipped plugs cured a fouling problem, it's probably because they were a slightly hotter heat range.

I'm not sure what, if anything, copper core and Rapid Fire plugs do that other plugs can't. I guess a copper core could reduce resistance, allowing more spark current, but who knows if the performance increase is even measurable?





great response MIKEB and right to the point!


heres related info
http://forum.grumpysperformance.com/viewtopic.php?...

http://forum.grumpysperformance.com/viewtopic.php?...
" " IF YOU CAN'T SMOKE THE TIRES FROM A 60 MPH ROLLING START YOUR ENGINE NEEDS MORE WORK !"

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