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Old 09-20-2014, 05:37 PM
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COMMANDER2OOO
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Default c6 spark plugs

ok im currently rebuilding my 05 ls2 engine replacing just about everything. I need to know the best spark plugs to run?
Old 09-20-2014, 08:57 PM
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Gearhead Jim
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People have reported alternator problems after switching to non-standard plugs. Sounds crazy but several reports. I'd research that.
Old 09-20-2014, 09:54 PM
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simplegto
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NGK Iridium IX worked great in my LS2 GTO and new wires always. MSD is a good choice.
Old 09-20-2014, 10:32 PM
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Dano523
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Standard OEM plugs are good for 100K, so unless you need a hotter or cooler plug, run the OEMs.
Old 09-20-2014, 10:37 PM
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KingJoey
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Originally Posted by Dano523
Standard OEM plugs are good for 100K, so unless you need a hotter or cooler plug, run the OEMs.

OEM plugs have worked best for me
Old 09-21-2014, 08:01 AM
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Rogers 07
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Originally Posted by KingJoey
OEM plugs have worked best for me
X 2 (They will live long and prosper) .......

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