quote:
Originally posted by Charlie McCall:
Increasing the pressure on the system will not aid in cooling. It merely increases the boiling point of the coolant.
It should make no difference in temperature readings - they will be the same with a 5 pound cap or a 15 pound cap. It won't boil over as readily though. They may interpret this as "increased cooling", but the cooling capacity of the radiator remains unchanged.
Thanks for all the help!!