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On Sun, 2006-09-03 at 19:59 -0500, Jason Weigel wrote: > If its of 67 era dosnt it have electro mag cut offs, eliminating the back > flow deal?? > > The Electro cut offs do not stop back syphoning. They just shut off fuel in the carb at idle. The back check valve in the fuel pump does not stop syphoning in the carbs. The needles in the carbs are above the fuel level in the bowl, so it can't be syphoned. The check valve in the fuel pump was to keep the engine from being flooded when the car was parked with the fuel tank higher than the engine. -- russw <russw@classicvw.org> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ List info at http://www.vwtype3.org/list | mailto:gregm@vwtype3.org ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~