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Old 08-19-2011   #12
A26B
 
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Join Date: Dec 2003
Location: Arcadia, OK
Posts: 3,403
Default Re: Under drive pullys.

Imagine the bypass as a non positive valve that varies the radiator bypass flow potential according to pump output pressure, but never shuts off flow to the radiator. Therefore, it is NOT correct that the bypass excludes the radiator core. It simply opens up another flow passage that bypasses the radiator. Whatever volume of coolant that still flows through the radiator will help cooling.
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