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Re: 71 350 running hot coolant backup up problem
just some pics for you so you know what we are dealing with
I would pump it up to 15 PSI and check on it after 30 minutes make any tightening of the hose adjustments and re test, sometimes the tests went for as long as 2 hours, it does leak down slowly I assume its from that thermostat housing gasket
I am using the dime a dozen blue thermostat paper gasket with orange gasket sealer on both sides of it just enough to make it nice and tacky, not too much
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