morning jeff- yes a/c has the hole with wings for rotating plastic tube. i'll get under car at left frame rail to check for any rogue holes. maybe because it's a dealer added vapor system the btm bracket was not welded to floor i'll test fit the one long blk metal bracket i have to see if holes line up with what's on pan currently. does vapor line run up the tunnel or does it zip up the pass side rocker............
ON the factory installation the return line ran down the driveline tunnel held together (along 3/4 of the way) with the brake line so no extra mounting holes just a different attachment strap.
Runs up the drivers side of the engine compartment, across the firewall behind the engine and down the passenger side to the canister.
Would expect (based on the other brackets) that the welded on brackets were attached to the body with screws in most cases but in the same or similar location to the factory installations to make fitment easier using the Ford parts.