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Reply to "Any Ideas?"

A friend of mine is visiting family. His cousin is a machinist and engine builder. He and some racer guys were talking about car stuff and my friend brought up my problem. His cousin told him that my problem is likely an internal vacuum leak. His cousin had the exact same problem as I am having and it turned out to be the intake gasket leaking on the oil valley side, small enough not to cause oil fouling of the plugs. His car like mine would run well for about 15 minutes then refuse to idle at low rpm speeds. I have my carburetor apart and am waiting for my overhaul kit ( I figure that its due for an overhaul anyway even if it isn’t the problem). If that doesn't solve the problem, I guess that the intake comes off for a reseal. I never thought of an internal vacuum leak but I guess that its as possible as an external one at the intake or carburetor base.
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