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    1989 OMC 57L advance timing curve

    "Hi guys,I'm trying to set "Hi guys,I'm trying to set my total timing but I only seem to be getting 12deg of advance ...spec is 8deg at idle so I only get 20 at 3000 rpm on the water(not on muffs)....I thought maybe srpings were too stiff so I checked on plane while a friend brough to 4000...
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