Posted by Don Williams on Monday, July 29, 2002 at 12:28PM :
In Reply to: Re: zenith carb. question posted by Dwight in S. Ft.Worth on Sunday, July 28, 2002 at 5:39PM :
I think you just found your main culprit. A vacuum operated accelerator pump. It's quite common for there to be a slight hesitation off idle with this type of carb. I would still check all of the items mentioned above but don't expect it to work as well as a mechanical accelerator pump.