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**truckster** · 03-11-2013, 12:38 PM

You are correct. The diaphragm is a vacuum break (or choke pull-off) and the adjustment is in the center of the back.

03-11-2013, 12:38 PM	#10
truckster Senior Member Join Date: Jan 2001 Location: Orem, Utah Posts: 7,798	Re: QuadraJet questions You are correct. The diaphragm is a vacuum break (or choke pull-off) and the adjustment is in the center of the back.