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    Ngk bpr6efs Weirdness! RESOLVED NEW INFORMATION INCLUDED!

    While still trying to solve my high RPM issue. I'm going to try another set of spark plugs. I noticed that Don S does not like Champion plugs!! So I bought NGK BPR6EFS, to replace the Champion RS12YC. These guys come pre-gapped at ~.030", my boat specs at .045" (5.7GSi PEFS) (Vortec Heads)...
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    Low pressure pump 20psi???

    Volvo Penta 5.7 GSi PEFS Testing out the system as I'm trying to diagnose a lack of power/misfire/exhaust backfire above 2500 RPMs. It's not the S.L.O.W. circuit, knock sensor, and oil sensor are disconnected. CTS resistance checks out on bench test. 10K on ice, 2K body temp etc. Both...
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