ok put in a fram tough guard air filter for the moment, plus a new fuel filter. Made sure all the tires are aired up to 32 psi
then pushed the manifold boost down as mentioned in other posts. It was cocked and 1/2 inch up.
I think this helped the most so far. Now the boost kicks in earlier going up hills so that the car doesn't down shift so quick.
Did a 250 mile trip and got 26mpg! YES. We are getting their. next will be the 180 degree t-stat. Maybe the Delco O2 sensor.
I have to finish building my golf cart and then might order the Intense 3.5 rubber tubing to create a FWI