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#66670
fisherman6
Participant

    US Member

    What is the gap set at on your open air spark tester? It should jump at least a .25" gap with a blue spark to have good results. .38" gap is better, but it seems odd that you get a spark at all on the open air tester and nothing across the plug gap in open air. Have you tried different / new spark plugs?
    -Ben

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