Re: 305E V6 troubles
Charlie,
FYI - I have driven my 1964 GMC pickup with a 305E for more than 30 years. It has never run hot, even when suffering from carburetor, fuel supply, and ignition system problems. In fact, it never gets above about the 1/4 mark on the temperature gauge with a 180 degree thermostat. Besides your distributor problems, I think a look at the radiator might be needed. I suppose a water pump problem could also cause overheating, but having replaced these pumps because of failing bushings, I can't imagine what else could go wrong with them. My only other thought is to check the radiator cap to make sure it holds the correct pressure, but you should have noticed the radiator getting low if the coolant was boiling out.
jrmunn
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