1987 Mercruiser 3.0

[Ekaj]

Hey guys got done dewinterizing my 1987 Stingray 3.0 Mercruiser Alpha One outdrive after some electrical issues it is firing on a dime but I have a slight drip at the flywheel housing this is like a cap full of water after 5 minutes of Hose blasting idling and revving, seem ro only happen with RPMs the RPMs maybe little too high which I know is not a good idea was just trying to test it, is it possible that I Am leaking from revving and too much hose pressure or is the only outcome a cracked block or blown freeze plug?

 

[Lightwin 3]

Slight drip? High or low?

 

[Ekaj]

At the starter fly wheel area so low. Turn off motor that I rved to high let sit for an hour..... Not a drop of water in bielg

 

[achris]

You're going to need to determine exactly where the water's coming from. Get a cell phone camera in there and see what you can. If you can't see it, it's likely behind the flywheel cover, which means a core plug has popped out, or the block is cracked. How did you winterize it? (refilled after draining?)

Chris,........