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Jim/GA · 10-28-2010, 10:44 PM

Anyone have a problem sucking in air at the water pump shaft seal at high RPM with any of these water pumps?

I suspect that the ceramic seal would be best in this situation.

The neoprene seals are chevron style pointing in, which holds pressure well but does not hold back air from entering...

10-28-2010, 10:44 PM	#30
Jim/GA Senior Member Join Date: May 2010 Location: Young Harris, GA Posts: 2,094	Re: Lets talk leakless water pumps! Anyone have a problem sucking in air at the water pump shaft seal at high RPM with any of these water pumps? I suspect that the ceramic seal would be best in this situation. The neoprene seals are chevron style pointing in, which holds pressure well but does not hold back air from entering... __________________ Jim Cannon Former MAFCA Technical Director "Have a Model A day!"