1971 Duster 340, 4spd, FE5/blk resto, "ruster" to Duster!
Hamtramck Historical Class of 1970 (site run by Alaskan T/A , Barry Washington ) has T.S.B.'s and factory illustrations showing the routing of the ECS system for Calif-spec cars for '71 , if you're interested .
Even if you're not interested , Hamtramck Hist is well-worth perusing regardless .:coffee2: