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09-08-2013, 08:27 PM
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#1 |
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JT Synergy RS/2SS
Drives: 2011 Camaro RS/2SS (L99) Synergy Join Date: May 2013
Location: Hager City, WI
Posts: 697
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LS9 spark plugs
I just pulled one of my spark plugs earlier tonight and although I'm far from an expert, these sure look like I'm running lean? Just curious if the typical "light tan" color applies to the LS9 plug in a forced induction application? This plug is white. Is the whole tip of the plug supposed to be light tan or just the underside where the spark occurs?
Any advice would be great. Thanks guys! |
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09-10-2013, 07:36 PM
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#2 |
 
Drives: 2011 Inferno Orange SS Convertible Join Date: Apr 2012
Location: Tyrone, PA
Posts: 640
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If shut down at WOT to do a plug read, white means lean. Don't look for that heavy tan of the days of old. Slight tan, mostly clean, black up in the crevices. Look up some pics of plug reading by an Internet search, just remember ours will be cleaner than the carb setups. Also fuel and fuel additives change the coloring.
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2011 SS IOM Vert. ECS Vortech 13+ psi, Water/Meth, ID850’s, ZL1 pump with MSD Voltage Booster, 2800 stall, LT headers, Drag radials, Drag alignment, Cradle Bushings. A million other supporting mods. Tuned by Ted.
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09-10-2013, 07:38 PM
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#3 |
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JT Synergy RS/2SS
Drives: 2011 Camaro RS/2SS (L99) Synergy Join Date: May 2013
Location: Hager City, WI
Posts: 697
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Got it, thanks!
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