I believe this vintage used a mechanical fuel pump mounts to the raw water pump for Bravo applications.
I had a 1993 4.3 with electric fuel pump and if the boat sat for a week or longer it required the same starting procedure as a mechanical fuel pump. I believe the carb bowl would evaporate so a few cranks to fill it and then a few strokes to prime the engine.
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1997 Silverton 362, 7.4 Crusaders
1997 2400 SCR, 5.7 Vortec / Bravo 2
Mike
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