I am cracked, well my boat engine is. Need some help. Its a 1985 3.0 mercury, 184 ci. 140, 4 cyl. Who made these blocks, or what will replace it? need a block or complete engine. thanks ain:
I'm pretty sure its made by GM ,called the "iron duke' around here,it's a very good quality engine.
Maybe the block can be welded ?. Wonder why it cracked? good luck.
I have no Idea why it cracked. My son had the boat for 2 yrs. I retrieved to swap out the engine and out drive an found the crack which runs from between 1 & 2 cycles. to middle of #3. about 9 ins long. Haven pulled the head, but it has no compression on #1 cyl. that why I removed the valve cover to check valve operations, it looked good so I decided to remove the head. After removing the intake -exhaust manifold is when I saw the crack. I guess I'll pull the head and see how it looks inside, and go from there. I might try to welding if its not inside also, but I ain't crazy about welding it, but then it doesn't get that hot with water circulating all to time. Back to the drawing board. :sweat:
Talk to me off-list - Packard V8@********.net. I've got a complete, running engine for sale. Does yours have one or two carbs?
thnx, jack vines
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