Hello Guy's , here are the facts .The truck is 1954 1300 Canadian, the engine is a 235 . Doing a repair for a friend .the truck boiled over big time last time he drove it.. I replaced the thermostat and things were good for half a day then boil over again this time with the rad cap from my own rad witch is working fine on my truck . Flushed the block for quite a bit then I replaced the water pump with a new one, ran good no boiling. Did a highway run for about five miles and pushed it had no problem, then next day boiled over again after a run to the parts store down the street , Replaced the rad with another known to be good one and another Thermostat also did a flush this time with a AC Delco flush additive,, boiled again after being up to running temp for about ten minutes . Finally removed thermostat all together same thing boiled just took a little longer, I figure there must be a blockage in the water jacket somewhere ....Out of ideas Please help
. Thanks Layback the prisoned with it lol.
