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Old 12-12-2012, 04:46 PM
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thatsmrmastercraft thatsmrmastercraft is offline
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Join Date: Sep 2008
Boat: 1977 Stars & Stripes
Location: St. Paul, MN
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Originally Posted by milkmania View Post
I agree with that, but what about any pits or valleys in the casting.... we know it can't be smooth in there, they used sand for the block casting.

I'm just saying that any water that I'd feel comfortable with that stays in the block would be treated water.

I've pulled engines and drained the antifreeze beforehand.... got them out of vehicle and more water comes out, while it's on the ground, loading into truck bed, etc.... it's gotta come from somewhere

I'm with you on that. When I winterize, I run RV antifreeze through, then drain and disconnect everything to eliminate as many possible spots for freezing as possible. It does get a little cold here from time to time in the winter.

It is truly amazing where all the bonus liquids come from when pulling an engine.
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