Thanks,Brad! i KNEW I was forgetting something! This will allow "trapped" air in the block,to "Escape" out of the overflow tube,via the thermostat "vent",(hole).

Last edited by wetwilly5757; 10/02/2013 11:55 PM.

Just sold: 1955 2nd Series 6500 2-Ton Flatbed Truck
Mo' Tater
In the Stovebolt Gallery
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It takes an awful big dog to weigh a ton.