View Single Post
Old 03-03-2021, 06:38 PM   #9
Dave in MN
Senior Member
 
Dave in MN's Avatar
 
Join Date: May 2010
Location: Jordan, MN
Posts: 1,411
Default Re: Pressurized Radiator

Quote:
Originally Posted by old31 View Post
Other than increased boiling point, what is the purpose of a pressurized system.
JMO: With a sealed system, there is a coolant capture tank that holds the excess coolant when the system is very warm. I think the 4# cap seals better to the top of the radiator and then is better able to pull the coolant back into the radiator from the capture tank as the system cools.
Good Day!
Dave in MN
Dave in MN is offline   Reply With Quote