The Model A had an all-metal needle valve, not a rubber-tipped one. The flexible tip needle valves seal better, especially if there's a little dirt in the fuel, but they're definitely prone to stick closed with low or no fuel line pressure.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!