Dale Slattengren wrote: > > Good idea to use a 160 thermostat and drill a couple 1/8 inch holes > so air does not get traped while filling. Sometimes bad head gasket > or cracked head will leave little bubbles coming to the top of the > radiator. Good luck > David Zakarian wrote: Back in the mid 70's this problem in my 392 was ONLY cured by a real Good cleaning of the water jacket of the block. It was filled up with gunk to the tops of the casting plugs. Knocked out the plugs and no water excaped. Crud was fairly hard to remove. DRASTIC measures were employed to save this particular motor. -- Paul Holmgren Hoosier Corps #33, L-6 2 57 300-C's in Indy