I'd take a look at the throttle position switch adjustment. This is critical for driveability. 

Karl Wolz
Sent from my electronic umbilicus

> On Nov 2, 2014, at 6:24 PM, Blake Sartin <sartin@GMAIL.COM> wrote:
> 
> I have cleaned contacts in the distributor cap, set timing, even tried
> advancing it a bit. I have replaced the malfunctioning vacuum advance. The
> two relays are new. Idle stab is doing its thing. No terrible vacuum leaks.
> I also tried unhooking the o2 sensor. My next step is trying to locate
> someone with a working afm to try, unless anyone out there has any better
> plans.
> 
> Vanagon off idle stumble: http://youtu.be/Eeo_vfue-q0
> 
> Thank you for your continued help. The van is pretty near undriveable in
> this condition.
> 
> Blake Sartin
> Maryville TN
> 84 Vanagon