Thank you, Jon, for your repley to my message concerning the carburetor on my 1909 Buick. You suggested that I check for a vacuum leak, and about all I can find is that the throttle shaft bushings are worn and a little loose. Do you know if there is any type of rebuild kit available or just bushings for this carb that I can purchase to tighten up this problem. If not, do you know of any technical data available for machining new bushings? There is a vacuum hole in the flange of the Carter carb and the gasket also has a hole, but the intake manifold does not have any allowance for vacuum to t