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Brian, thanks for the insight. As you probably are aware, the water pump is driven by the camshaft. There are two seals, which I've had to replace once already, on the camshaft between the water pump impeller chamber and the oil galley behind it. The seals eventually harden and leak allowing...

Brian, thanks for your reply. I contacted several Mercruiser dealers in the area, and of those who actually perform repowers, all said that unless I go back with the same engine (which I have no intention to do), there will likely be structural modifications. None was familiar enough with my...

Hello all, my '77 GW Pacer 17' bowrider has a Mercruiser 470 I/O that is powered by a Ford 230 I-4 (woof). The hull is still in good shape, but this engine has problems - both inherent and emergent. I am exploring a repower, and am asking those of you with more experience (most of you, no...