Posted by Kevin in Ohio on Thursday, February 23, 2006 at 12:32PM :
In Reply to: Pressurized Coolant system or not posted by Northern Calif Dave on Thursday, February 23, 2006 at 12:19PM :
Dave,
Don't know what the system is on a '48 but the reason for running a pressurized system is the coolant won't boil as quickly. On a stock motor with a good radiator(no plugged cores) you should be fine. Kevin
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