06-03-2009, 11:15 AM
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CC Member
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Join Date: Nov 2006
Cobra Make, Engine: ERA, FE BBF
Posts: 389
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Quote:
Originally Posted by razerwire
It would seems to me that the water has to stay in the rad for a time so the exchange from air to water can take place. I show size and tilt of rad. in my post so you know it can be cooled. Tilt will effect the transfer of water to air going down the road. Running the water thru the rad. to fast will not give the rad. a chance to exchange heat.
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What you say here is true but you need to keep in mind the "normal" RPM range that a typical water pump operates in. This would be from idle (say 900 RPM) up to 6000 RPM. When we speed the water pump at idle, we are moving the flow characteristic of the radiator from a limited flow rate more into the range that would be the case at light throttle/low rpm cruise. I have used "overdrive" water pump pulley's on two motors which were "heat monsters" and they helped in both cases.
- Fred |
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