Combustion chamber leak into the water jacket could be pushing away
cooling water. Or something not right with the exhaust manifold
waterfall plumbing. Have you looked at the condition of the plugs -
specially looking for squeaky clean ones?

Brian W

On Thu, 17 May 2007 03:17:57 GMT, "ricksbasseyetus via BoatKB.com"
u34236@uwe wrote:

thanks Brian for your reply and your answer is that the engine does not
overheat with the earmuff on Only when you have the boat in drive and under
a load and i've looked at about everything!!!! WHAT YOU THINK ?????
Brian Whatcott wrote:
i own a 1988 winners boat and it has 5.7 ltr 350 small block chevrolet with
an alpha one stern drive and it overheats . the engine is new and the
[quoted text clipped - 6 lines]
or a ___________ ..... lets put are heads together and try to solve my
dilema!!!!!!!!!!

On the hard, with plenty of water to the earmuffs, does the engine
also overheat?

Brian W