Not Ranked
Automan,
One of the vent tubes has to be able to vent of the extra pressure and fluid as the the heat of the engine causes expansion. What I did was put a 16 psi push type cap on the rad and put a rubber cap over the vent tube. On my upper rad hose I used an inline filler with a 13 psi push-pull cap and put the vent hose to a overflow tank. This way the expanded fluid can be caputerd in the tank and when the engine cools be sucked back in. Sam
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