NGK or zex plugs?
09-27-2005, 11:33 AM
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NGK or zex plugs?
I have NGK, 1 step colder platinum plugs in my car right now and i was wondering if it would be better to run a copper plug with nitrous. The zex plugs are a nickel-copper combination. What do most of you run on your car and what is best with a high shot of nitrous?
10-08-2005, 09:11 AM
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there was a problem with with zex plugs a while ago when they came out. they were shorter then usual and were melting the exposed threads on the engine block. im pretty sure they've since taken care of that, but you might want to double check.
10-12-2005, 09:00 AM
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choppy idle. but it isnt noticable untill you go with something like 3+ ranges colder then stock. i had 2 ranges colder and could barely notice it on cold starts.
Last edited by MySunset350Z; 10-12-2005 at 09:03 AM.
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