Setting timing – erratic vacuum reading

I’m trying to set up timing and carb using these instructions as they’ve been suggested before and seem solid. Vacuum Engine Timing | MILEPOSTS Garage (Tech Tips)
http://tvmoparclub.com/files/tech/Mopar Timing.pdf
Car seems to drive great but the too lean smell is killing me. I’m using the vacuum port that goes to the brake booster and the gauge bounces...

Setting timing - erratic vacuum reading
Author: jbooth35