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On 20 Nov 2002, at 11:20, jim wrote: > I have a 1972 FI Engine (E-brain, matching parts) with MT and a 1968 single vacuum adv. > distributor. Since I do not have the adv./retard 72 dizzy, I time it like a 73. > > When I disconnect and plug the vacuum hoses, the idle drops ~200 RPM and the timing > retard ~10-15 degrees. Normally, with hoses plugged, I adjust the idle back to ~850 RRM > and time the car. I then re-connect the hoses and reset/lower the idle to 850RPM (since > it raises with hoses connected again). Forgive me, but I wonder if you have the vac advance hooked up to the retard vacuum port and are misreading the advance you get as retard. Otherwise I just don't see how this could happen. How's your gas mileage? - ******************************* Jim Adney, jadney@vwtype3.org Madison, Wisconsin, USA ******************************* ------------------------------------------------ To unsubscribe, E-mail to: <type3-off@vwtype3.org> For more help, see http://vwtype3.org/list/