Thread: stock spark plug color at idle
04-22-2007, 09:21 AM #1
stock spark plug color at idle
I know about the WOT chop being the true way to get the correct reading but what color, if any, should they be at idle? Mine are white with a hint of tan on a little section on each plug. I have 42 hrs on them & all look the same. I'm getting a surge when idling on the trailer from 1700 to 1860+. Could it be the powershot interferring with the flow? On the water it idles 1740-1820 back n forth.
I'll go & unplg the R&D this morning & see what happens.
04-22-2007, 10:04 AM #2
those rpms sound just about right.
04-22-2007, 09:30 PM #3
fuel flow makes very LITTLE (none) difference at idle, what controls the RPM is the air flow.
look for a leak somewhere in the intake causing a unstable idle.
04-22-2007, 11:21 PM #4
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