Finally starting to hook things up on the 20V swap, and not sure which line on the 3B fuel rail is the feed and which is the return. Is the vacuum diaphragm controlled end the feed or return? TIA. Dennis Denver **************Gas prices getting you down? Search AOL Autos for fuel-efficient used cars. (http://autos.aol.com/used?ncid=aolaut00050000000007)