Thread: what spark plug should i get.

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  1. #1 Re: what spark plug should i get. 
    GT Level Member 94GrandPrixSE's Avatar
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    Oops yeah 606 or 605, long week. Personally I got the AL606's just because I couldn't find a lower heat range plug where I live. If you do go copper replace them every 15k these cars use waste spark system, eats these plugs up.
    02 GTP - Cartuning Turbo Kit VS67 3" DP, 80#INJ, N*,LQ4 MAF, Custom Cam, Roller Rockers, 130#, P&P Heads, Meth, AL103's, Corn fed, 522WHP on a mustang dyno, HP Tuners by me.
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  2. #2 Re: what spark plug should i get. 
    I live here. SlowNA06's Avatar
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    Quote Originally Posted by Z34Phoenix View Post
    with boost it is said they do not like the platinum plugs. and i know that even NA they don't like double platinum.
    Like 94GrandPrixSE said, it's about the waste-spark engine, not whether or not there's boost. Platinum gets brittle and breaks because it can't handle the abuse. Copper's soft enough not to break off in the engine, but doesn't last very long. Iridium does a great job.
    Irridium spark plugs last 100k mi and work just as well as copper. Copper is a waste on N/A and only lasts 15k mi. Don't use Platinum.
    Use 195* tstat unless you can thoroughly explain why not; 99.9% don't need a lower temp.
    Almost any oil filter, ever, is of higher quality than ACDelco. Spend $6+.
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