Quote:
Originally Posted by MySons68C20
I agree with Barnfind...My 68 would always drip a bit out of the overflow after a drive. I added a summit catch can and no more drips and the coolant stays full!
If your upper radiator hose stays firm overnight I suspect a head gasket issue.
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I do have an overflow reservoir attached for now. It catches quite a bit on some days, then others not so much - just depends on the day.
I haven't checked the upper hose. I'll try that after my next drive. So, drive it, get it up to temp. Then, check the hose after it cools down, or the next morning?
How does that tell tale sign work, exactly? Is it because the leak is not allowing the coolant to leave the hose due to backing up, or suction?