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Old 26-07-2011
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Antiferret  Antiferret is offline
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in the spirit of preventative maintenance.

My grandfather used to "shim" new radiator caps to increase coolant pressure.

he did this on trucks when he was in the war in the solomons as it helped to prevent "hot spots" in the low compression engines (i am sure this means cavitation) by raising the boiling point of the water. assuming the hoses are in good condition, a few Kpa increase won't hurt. the extra increase in pressure shouldn't blow in the head gasket as the cylinders should have stopped "wandering" by then.

thoughts?
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