Quote:
Originally Posted by F87source
Yeah, you never gap down plugs when it is not necessary, you only gap down if you are misfiring due to the spark being blown out. Because the key to spark plug gap is as big as possible without blowing out, this way you promote better combustion and avoid rough idling and misfires.
There is no such thing as a one size fits all gap, so I hate the idea of just following an arbitrary size, you must do what works best for your car.
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I'm trying to run stage 2 91 tune with pump gas consistantly. FBO, no E85 until I decide to upgrade HPFP in the future.
What gap do you think is relative best for me? 0.028''?