Drain plugs on 8.2L MerCruiser V8 Big Block

[Bob DiPlacido]

I have a MerCruiser 8.2L V8 Big Block and talked with the merc tech it says there are 5 plugs, but I’m only able to find 3

port side
Starboard side
Water cooling system

 

[paulswagelock]

Depends on vintage, but typically there is port and sb manifold drains, water pump drain x2, cool fuel drain. I would think you would have the 3 point drain which would be common collector, and 2 on the water pump.