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Are these '71 dual pipe manifolds any better ? if so why did VW go back to the old kind ? Herman Dave wrote: > > The main difference between manifolds, apart from single/dual port, is the > vacuum take-offs. There are 3 or 4 versions, with a single balance pipe > facing forward just below the carb flange, with two balance pipes coming > out sideways just above the mating face with the head, and with or without a > take-off for the vacuum retard on the dizzy. The version with twin pipes is > '71MY on, so you may not have them in the US. > ------------------------------------------------------------------- Unsubscribe? mailto:type3-request@vwtype3.org, Subject: unsubscribe