Posted by Chris Case [172.70.214.56] on Sunday, October 09, 2022 at 14:04:44 :
In Reply to: Re: Engine Upgrade Cooling #2 posted by Vaughn [172.71.154.2] on Saturday, October 08, 2022 at 17:41:00 :
You do want a restriction so the water pump makes the block 10psi over the radiator cap rating. The higher pressure prevents hot spots from turning to steam.
Some racers run 60 psi pumps, and need screw-in freeze plugs.