Quote:
Originally Posted by JPBrecheisen
Yes, radiator shops are hard to find and the cost of copper cores are ridiculous.
On your air pocket theory, let it run until the thermostat opens then unbolt the heater and hold it down low beside the engine for few minutes to make sure all the air is out of the heater core.
I had a 65 that I had to flush the heater core by itself then do this to bleed all the air out of it.
The high mount cores can trap a little air because they're above the radiator cap.
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I was thinking there has to be a better way to bleed air off and I thought of one of these.
I could easily fab a piece of 1/2" copper tube with a female fitting brazed on to accept this bleeder that ironically says "auto vent". Attach it in line up high near the heater core run it till I get the air out, remove the bleeder and plug the piece of tubing. Sounds jenky but if it works then
