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Old 02-01-2011, 05:36 AM
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Bryan59EC Bryan59EC is offline
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Is this a big block Chev????
A missing bypass hose will do this-----small hose from intake to waterpump.

A plugged heater core on a small block that does not have an AC water valve will do the same thing.

Wide temp swings untill all of the coolant temps have stabilized.
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