Stewart Engineering( no relation) has done extensive testing of cooling
systems, including the development of a dyno to measure water pumps. They
are manufacturers of very high flow water pumps for racing, including
NASCAR. You can visit their web site
http://www.stewartcomponents.com/Tech_Tips.htm The conclusions they have
reached indicate that higher flow rates improve cooling, & they call the
"slow flow" theory another urban myth. I have improved cooling on my Buick
300 by changing pulley size to increase water pump speed& water flow.
Jim Stuart
Reply to <jimbb88@comcast.net>
-----Original Message-----
From: owner-mgb-v8@autox.team.net [mailto:owner-mgb-v8@autox.team.net]On
Behalf Of Barrie Robinson
Sent: Tuesday, December 06, 2005 12:11 PM
To: mgb-v8@autox.team.net; mgs@autox.team.net
Subject: Cooling related to water flow
Some while back there was some discussion related to the flow rate of water
through the radiator. Some opinions were that if water was passed through
the radiator at a hefty flow it would reduce the cooling capability - thus
not a good idea. My theory is that such a premise does not (and forgive
the pun) hold water. Perhaps the reduced cooling was due to water pump
cavitation and not because of the flow rate. If someone would point me
towards any authoritive dissertations I would be most grateful and thank
you in advance for any responses.
Regards
Barrie Robinson
MGB GT V8
Aston Martin DB 2/4 MkII
Canada
705-721-9060
barrie@look..ca
Purveyor of O-ring kits for restoring Smith & Jaeger gauges,
Stainless steel mesh grilles, air vents & airdams
and,
Sound deadening material and kits for MGBs
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