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6th Gen ('00-'05): Tuned PCM which spark plug?

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Old 05-19-2018, 08:57 PM
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Default Tuned PCM which spark plug?

What plug should I put in with a tuned PCM, CAI, resonator delete and aftermarket cat? I think I had NGK's in it before the tuned PCM and it was running great but one of them fouled out and I'm replacing them now and I need wires. Should I stick with the NGK's and what should the gap be?
 
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Old 05-19-2018, 10:07 PM
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Stock plugs, stock gap IMO. That's not really enough mods to change the heat range of plug needed.
 
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Old 05-20-2018, 08:52 PM
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Unless the PCM was tuned for different plugs/gaps, then go for stock.

AC Delco or NGK is your best bet.
 

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