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Re: Spark plugs
Platinum plugs last a long time ....but are poor conductors of electricity
Copper plugs don't last as long....but conduct electricity far better
Iridium plugs do both well .........but are't cheap
Unobtainium are the ultimate but are known to be very "unobtainable"
What kind of ignition are you running? Msd type boxes eat plugs, rotors and caps much faster than standard type ignitions. But they kick out some serious juice and have other benefits as well.
I am not a big fan or heavily "profiled plugs" with all sorts of crazy gimmicky configurations .....all of these claim horsepower gains, faster starting and even gas mileage. I'v tried a few and didn't notice ****.
My personal fav is NGK racing "v" power plugs ....not because of the "v" but because of all the heat ranges available for tuning. I believe there are five heat range options in just the chevy Gen 1 cast iron head version. These are copper BTW and very popular in race motors but work great on the street too.
Maybe around $2.50 ...to $3.00 per plug
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