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Forced Induction Superchargers | Turbochargers | Intercoolers

Do I look too lean?

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Old Apr 22, 2009 | 09:43 PM
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Default Do I look too lean?
Does it look like I am running lean?





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Old Apr 23, 2009 | 08:29 AM
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Anyone?
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Old Apr 23, 2009 | 08:33 AM
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What type of fuel are you using?
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Old Apr 23, 2009 | 08:52 AM
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Straight 93 octane. I am still trying to get my wideband working properly, so I checked the plugs to see what they looked like.
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Old Apr 23, 2009 | 09:58 AM
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they look a bit hot, what plugs are then, and what are they gapped at? looks awful tight
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Old Apr 23, 2009 | 10:47 AM
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You can only get good data from a plug by installing a new set after the car is warmed up, do a WOT blast then shut it down and remove the plugs. Any idling will change the way the plug looks.

I then look at the heat mark on the electrode and cut the threaded portion off of the plug to view the insulator.

If that plug was done how I describe it is rich as hell.
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Old Apr 23, 2009 | 10:52 AM
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TR6's gapped at .032
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Old Apr 23, 2009 | 10:57 AM
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well what are your wot A/F? You running the 2-bar on this or maf yet? And what injectors? I run mine around 11.8:1 on pump with 22* timing at 10psi
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Old Apr 23, 2009 | 11:36 AM
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They look similar to mine. I am not a plug reading genius but i think mine looked like that because i leaned my tune a bit when not in boost.I believe the whiter the leaner.And the darker the richer.Mine is around 15:1-16:1 when not in boost and when in boost i see anywhere from 10:5 to 11:5 in boost and that is with 20 degrees of timing and pump gas.So i would agree with the idling changing the color
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Old Apr 23, 2009 | 11:38 AM
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oh nvm i just noticed how dark your insulator is..i would lean towards a little rich.
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Old Apr 23, 2009 | 12:02 PM
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Originally Posted by Grr
well what are your wot A/F? You running the 2-bar on this or maf yet? And what injectors? I run mine around 11.8:1 on pump with 22* timing at 10psi
WB A/F gauge isn't working correctly yet. Still trying to get it worked out.
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Old Apr 23, 2009 | 12:29 PM
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Originally Posted by INTMD8
You can only get good data from a plug by installing a new set after the car is warmed up, do a WOT blast then shut it down and remove the plugs. Any idling will change the way the plug looks.

I then look at the heat mark on the electrode and cut the threaded portion off of the plug to view the insulator.

If that plug was done how I describe it is rich as hell.

LOL. Very true. If that was after a WOT pull its really rich.
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