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At 10:25 AM 4/12/05, Jim Adney wrote: >Ideally, I think it would be nicest if the electric pump had zero impedance >internal check valves, too, so that the electric pump could just be mounted ><deletia> >pick up the pump and see if you can blow thru it easily in the forward >direction. For whatever it's worth, my father has an electric primer pump installed in his '27 Chevy roadster. It gets used once or twice a year after the car comes out of hibernation, after which the stock "pump" gets used. Never a problem with checkvalves in the pump. 6V Facet-style cube IIRC, but I haven't crawled under that car in about 10 years. I put quotes because that car doesn't have a fuel pump like we're used to -- it's an engine vacuum system that *sucks* fuel forward to the resevoir tank on the firewall, which then feeds the (updraft!) carburator. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ List info at http://www.vwtype3.org/list | mailto:gregm@vwtype3.org ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~