Technical > Matt Shaff's Engine Shop

Coolant system without radiator or pump.

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janjon:
George, I gather you're talking about a convection system, the hot water from the top flowing into the tank and flowing back into the bottom, cooler, no pump. Would this work with gasoline, as opposed to alky?

George:
I have built a system based on alky as a fuel. I will know if the system works as designed very soon. I doubt what I have built could be applied to a gasoline engine. The two fuels are much different in system operating temperatures.

janjon:
Yeah, that's kinda what I thought... Maybe if you really needed about 500 pounds of front ballast something like that would work?

George:
I have not weighed the larger overflow tank and the added lines and fittings . I expect it has added about 10 pounds.Plus the 2 gallons of water. The system does not circulate to a tank. The tank is for overflow only. It has about one gallon capacity and serves to capture both coolant overflow and discharge from the vacuum pump.

An aluminum radiator, electric fan and pump might weigh less than 100# with coolant. If you are bracket racing this might be the way to go with gasoline.

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