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Bob C · 07-03-2022, 09:58 AM

Seems like practical experience does not agree with the Ford Service Bulletins
on the B carb GAV. June 1932 Turning the button in a counter clockwise direction enriches the fuel and air mixture. The valve should be turned back (clockwise) as soon as the engine has become warm. Advise owners the car should never be operated with this adjustment open. (Bold letters from service bulletin.)

07-03-2022, 09:58 AM	#5
Bob C Senior Member Join Date: May 2010 Location: So Cal Posts: 8,766	Re: Model B carb on stock Model A Seems like practical experience does not agree with the Ford Service Bulletins on the B carb GAV. June 1932 Turning the button in a counter clockwise direction enriches the fuel and air mixture. The valve should be turned back (clockwise) as soon as the engine has become warm. Advise owners the car should never be operated with this adjustment open. (Bold letters from service bulletin.)