[Dave at Pelican Parts]

Sadly, the factory manual is of no help at all. The diagrams in it are from some VW application, and don't even mention throttle bodies with only one fitting. I think the diagram in Haynes is the same one from the factory book.

There is a diagram in the 9/93 (I think) issue of Panorama, where Allan Caldwell published a diagram of the vaccuum hoses for a 73 2.0. That does have the two fittings on the throttle body, but it shows which one goes to which side of the distributor dashpot. Yes, it matches my diagram. Would your mechanic trust the PCA National 914 Tech guy?

--DD