I am thinking that part of the confushion about " no orface tube" is because some of the liqued lines for GM and Chrysler have the orface tube already in them. For instance, if you look up the liqued line for an 05 Dodge 2500, the orface tube is in the line. That is just one that I know of, how many more of then are there?
Steve
86 Bronco, XLT, 5.0 EFI, EEC IV, AOD, IFS, limited slip front and rear, 3.08 gears, Tilt steering, factory AC