PretecSH

OK its IK20, 0.044 gap. is this ok w/ nx 75 wet? some info that i didnt really understand: http://www.densoiridium.com/identifyplugs.htm

thanks for any help
-pretec

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axion68

you have 20 heat range plugs, which would be the stock NGK heat range of 6. You will want to get new plugs if you plany on much nitrous. Not to worry though, the NGK coppers go for about $8 a set. I guess you could run your denso's in the winter when you aren't spraying, or something like that.

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emoKid

so is it just gonna fry plugs or fry my engine if i spray a 50 shot on Denso Iridiums?

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axion68

Basically there is a strong chance of detonation. Your spark plug tip needs to run between 500-850 degrees celsius. While you are spraying the spark plug is going to heat up, and when the tip goes over 850 degrees celsius the spark plug will overheat along with the electrode begining to melt. The fuel coming into the combustion chamber will begin to preignite from the heat while the piston is traveling upwards. The combustion will try to force the piston back down, but it is already traveling upwards. So basically then end result will end up with damaged spark plugs, damaged intake valves and damaged pistons.

Spend the $10 for the proper heat range plugs, it will save you from rebuilding your top end.

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