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I have a single vacuum advance dizzy from a 68 FI car, should there be any vacuum advance at idle? > > I looked through the Bentley for a diagram of the hoses but there weren't > > any. However, it did say removing the vacuum retard hose while the car was > > running would move the timing/advance 15-18mm which is pretty close to what > > my car does when I remove the vac. hose. > > Yes, but you have it connected to the vac adv, so the vacuum there at idle > should make the timing marks move to the left (advance) when you attach > the hose and move to the right (retard) when you remove the hose. This is > backwards from what the vacuum retard would do, which is logical when you > think about it. > > For these distributors, more vacuum gives more vacuum advance and more > vacuum retard (for those distributors which have the vacuum retard.) They > don't both get the same vacuum at the same time. > > - > ******************************* > Jim Adney, jadney@vwtype3.org > Madison, Wisconsin, USA > ******************************* ===== all new and now with genuine meat by-products... http://www.machobeagle.com __________________________________________________ Do you Yahoo!? Yahoo! Mail Plus ? Powerful. Affordable. Sign up now. http://mailplus.yahoo.com ------------------------------------------------ To unsubscribe, E-mail to: <type3-off@vwtype3.org> For more help, see http://vwtype3.org/list/