Originally Posted by andamo
You mention "with and without" a scoop. Don't attempt to make a pass without something over the carb. At speed the air going across the carb will siphon fuel up out of the carb and back onto you.
When I said "without a scoop" I meant with an aircleaner. Our track will not let you run with an open carb. It must have a scoop, hood, or filter on it. The siphoning effect would be really bad in a front engine car.
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