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| | | | Joined: Oct 2001 Posts: 3,458 Extreme Gabster | | Extreme Gabster Joined: Oct 2001 Posts: 3,458 | Are you running the right gasket in the base to allow the power valve to see manifold vacuum?
Also, what is your manifold vacuum running down the road? You might have low enough vacuum that the power valve stays open and runs rich.
With 3.0somethng gears and overdrive I would expect you to be more in the 1800 rpm range at 55 mph unless your tires are really small.
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