Spark Plug Question
Pump 93, target afr is 14.00 at idle and cruises at 14.5, WOT is 11.5 but have not done a WOT pull
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I could bump idle AFR a little, just started tuning it with remote tuner and I expressed I wanted it to be a conservative tune.
Not much to read on a plug that's been in the engine a couple hundred miles. If your cruise and idle are as lean as you can go and the AFR checks out at 11.3 to 12.5 during a WOT pull, its fine. If your putting in a new set do a quick pull and shut the engine down.... then pull the plugs to get a good read them. Even a few minutes at idle or cruise can muddy up a good plug reading. May add a simple inexpensive washer fluid injection kit. It will clean the CC/plugs quite a bit and has other benefits.











