Quote:
Originally Posted by MAC71Cheyenne
I've been reading along and gaining insight along the way. When it warms up a bit I am going to apply all the tidbits to the pumpkin coach.
As it stands, there is no separate vac fitting on the manifold. Take care of that, check the weights, and make some adjustments and I'm betting I will have better idle, up the gas mileage a hair, and a touch more umph. As it stands the mileage is around 11-12 and idle won't drop below 900 rpm even with idle screw lightly turned to seat. From last drop to seat is 1n1/2 turns and has no effect. Runs down the road at 20 mph just on idle. Not cool on snowy roads....
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If you can’t get the idle lower than 900 rpm then check primary throttle plates aren’t hanging up in the bore and that they both sit the same.