Quote:
Originally Posted by Bob Bidonde
The 2 additional coolant holes in the Model B block were left open;
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Any particular reason you left the steam holes (coolant holes) open on the B block?
I have a B block and I'm converting the B head to an A head so I can use the A water pump, intake, etc. I'm done with having two sets of parts in my garage (B parts and A parts).
Last week, I went up to pick up my A block (for another car) from the engine rebuilder and he recommended I tap and seal the two steam holes in the B block when I replace the head. I never paid attention to them when I changed the head the first time, but sure enough...they are there. His thought was that the steam holes added extra risk for breaking the head gasket, and with an A head, it was better to seal them off.
Thoughts?
Dave