What brand and number spark plugs do I use to replace on a 1992 Mercruiser 5.0L Alpha one. What gap should plugs be set at. I think it is 180 HP, 305 ci, carbureted, Chevy.
I can not find the spark plugs to change them. Boat won't turn over,been sitting for a couple years.Positive battery cable starts to smoke.I removed distributor cap and traced wires but can not see plugs. Manual does show where
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