Re: fuel consumption idleing?
1. Open gas line, then close gas line.
2. Start car & allow engine to run until it uses up gas this amount of gas in carb & gas line.
3. Repeat step one, omit step 2., loosen fitting at sediment bulb to brake the vacuum effect, & remove drain plug at bottom of carb, & allow to drain in a measuring cup.
4. Convert ounces to gallons -- should give a "rough" idea of gallons per hour at idling with "no"' load on engine.
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