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post #1 of (permalink) Old 07-20-2003, 11:03 PM Thread Starter
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AMC 304 Coolant Temperature Override Switch

Does anybody actually reinstall this switch? It is on the intake manifold to the passengers side of the thermostat housing. It is a temperature switch that when coolant temp is less than 160 degrees, the timing advance on the distributer runs off the intake manifold vacuum. When it warms up, it then switches over to carburetor vacuum for the timing advance.

Is this necessary? Seems kinda overkill to me. Is it worth the price of a new switch? I was thinking just running the TR ignition off the carb vacuum period.
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