OK. Thanks for all the suggestions.
When I have pinched off the bypass in previous years, there appeared to be adequate flow thru the exhaust. I always had the engine warmed up, so the combination of the little hole and the partially open T-stat should have let the antifreeze through the block at a decent rate.
When I get to the boat, I'll first remove the drain plug and see what comes out. Hopefully antifreeze! which would indicate that I did indeed get some into the block. But I will do the job anyhow.
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Larry Bradley
C&C Corvette 31 "Lady Di"
Clark's Marina
Gananoque, ON, Canada
in the beautiful Thousand Island
of the St. Lawrence River
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