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I've just had a thought about this rapid drop of fuel level; there was discussion in the Type 3 & 4 Club news recently and on this group about the cup that surrounds the outlet and gauge etc on FI tanks. The returning fuel goes through a venturi, forcing fuel back into the cup so the pump picks up fuel not air when the tank nears empty. The gallon or so in there wouldn't take all that long to be used up compared with the rest of the tank, but would show a significantly higher reading when the cup was full. Jim knows the bit I'm on about. In this case the pipe was hard against the hole, and couldn't draw the extra in from outside the cup. He pulled the return pipe away from the cone a little, and it is now filling the cup as required. Dave. UK VW Type 3&4 Club http://www.hallvw.clara.net/ -----Original Message----- From: Jim Adney <jadney@vwtype3.org> To: type3@vwtype3.org <type3@vwtype3.org> Date: 09 May 1999 23:02 Subject: Re: [T3] clocks The gauge and sensor are quite linear, but the TANK is not. It's just the shape of the tank that throws it off. The hash marks on the gauges are offset to try to accomodate this, but it's still not quite right. Jim - ******************************* Jim Adney, jadney@vwtype3.org Madison, Wisconsin, USA ******************************* ------------------------------------------------------------------- Search old messages on the Web! Visit http://www.vwtype3.org/list/