11-07-2010, 05:03 PM
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CC Member
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Join Date: May 2006
Location: St. Louisville,
Oh
Cobra Make, Engine: A&C 67 427 cobra SB
Posts: 2,446
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To totally eliminate the air you would have to pull 1 atmosphere of vacuum, which, if memory serves me, is about 29 inches of mercury. I wonder if they mean 24-26 inch of mercury. That would seem to me to be very hard to do with a venturi, but I guess possible. If they are talking 24-26 inches of water (anything short of an atmosphere), it would fill the radiator, but it would not eliminate air pockets in the engine.
I would be a bit concerned that the water pump seal would be damaged at an atmosphere of vacuum. Vacuum would be a pressure in the exact opposite direction that the seal is designed to work. Can a radiator tube take 14.7 lb of force pressing on it from the outside? What about the radiator tanks? Most tanks that can hold lots of pressure will collapse with a vacuum in them.
Lots of bad things can happen it this world. It might work, but I would want to know more.
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