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Generation IV Internal Engine 2005-2014 LS2 | LS3 | LS7 | L92 | LS9

What spark plug?

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Old 10-07-2009 | 09:05 AM
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kobraa
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From: Rockland County, NY
Default What spark plug?
I got an 02 Lq4 block...what spark plug do you recommend and what is the correct gap??
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Old 10-07-2009 | 10:47 AM
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NGK tr55's and so many people use different gaps.
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Old 10-09-2009 | 08:12 AM
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From: HOT'LANA, GAWJA
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NGK TR55 for lower compression engines and NGK TR6 for the higher compression engines. (over 11 to 1)
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