Thread: Black Plugs
09-27-2007, 01:41 PM #1
- Join Date
- Jan 2006
- Lake of the Ozarks
Just pulled my plugs today. They are pretty black. On the efi, do I just want to lean up top speed (3)?
09-27-2007, 05:04 PM #2
Tune with your 'aftermarket' tach,not the plugs.
09-28-2007, 02:49 PM #3
You plugs may look black after idling for a while. Make sure you check them during a WOT run and doing a plug chop.
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