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I think your motor is equipped with two pumps.If so, the lower pump is operated by #4 and #5 cylinders. It also delivers the fuel to the upper pump, which is operated by #3 nd #4 Cylinders.
Oddd1 or 12footer:<br />So how low can the compression go before it would affect the pump. Also would that be what they would call leaning the carbs out.
