If you open the petcock on the engine block, does it drain feely? If not, you have crud in your coolant passages in the block. Crud builds up easily and can cause your headache.
SWEET Sergeant At Arms: Old Dominion Stovebolt Society BUNS?!?!?!Where we're going, we don't need no buns..... 1950 GMC 450 1951 Chevy 1/2-Ton The GreenMachine In the Stovebolt Gallery
