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SVT Shelby GT500
Heat soak?
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<blockquote data-quote="Van@RevanRacing" data-source="post: 10020125" data-attributes="member: 69847"><p>It is possible to move the water too fast. The water has to be in the intercooler long enough to act as a cooling medium and absorb the heat through the intercooler. You are moving the water 10 times faster than stock. With a stock pump you move the equivalent of a 5 gallon bucket of water +/-. With this pump you are moving the equivalent of a 55 gallon drum of water. Think about the pressure build up from a thermostat. The tstat causes back pressure in the cooling system to a degree which aids the cooling system in keeping the engine cooling fluid in the radiator longer and the motor longer to extract heat. It has to stay in there for a certain amount of time for the heat to be absorb. This is why Ford designed the water pump fluid volume on GT500's, Cobra's, Lightning's and Ford GT's to flow and perform at a certain rate so maximum heat can be absorbed and then exchanged.</p><p></p><p>The true test would be to see what your IAT2's are with your current pump and then swapping for the OEM pump or putting a potentiometer in line and slowing the pump down to OEM speed and measuring IAT2; both test cases in a data logged format at WOT in 3rd gear, 4th gear pulling to 6,000 RPM. Also taking into account IAT1, ECT, SPARK etc. So all things are equal or comparable during the test.</p><p></p><p>I've done a few tests on GT500 cooling. Always up for another test.</p></blockquote><p></p>
[QUOTE="Van@RevanRacing, post: 10020125, member: 69847"] It is possible to move the water too fast. The water has to be in the intercooler long enough to act as a cooling medium and absorb the heat through the intercooler. You are moving the water 10 times faster than stock. With a stock pump you move the equivalent of a 5 gallon bucket of water +/-. With this pump you are moving the equivalent of a 55 gallon drum of water. Think about the pressure build up from a thermostat. The tstat causes back pressure in the cooling system to a degree which aids the cooling system in keeping the engine cooling fluid in the radiator longer and the motor longer to extract heat. It has to stay in there for a certain amount of time for the heat to be absorb. This is why Ford designed the water pump fluid volume on GT500's, Cobra's, Lightning's and Ford GT's to flow and perform at a certain rate so maximum heat can be absorbed and then exchanged. The true test would be to see what your IAT2's are with your current pump and then swapping for the OEM pump or putting a potentiometer in line and slowing the pump down to OEM speed and measuring IAT2; both test cases in a data logged format at WOT in 3rd gear, 4th gear pulling to 6,000 RPM. Also taking into account IAT1, ECT, SPARK etc. So all things are equal or comparable during the test. I've done a few tests on GT500 cooling. Always up for another test. [/QUOTE]
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Heat soak?
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