The toyota box has the correct movement. If you turn the shaft right (clockwise) the pitman goes to the rear. I have a 46 with the stright axle and ECI set up but I've got an impala column (wow GM). I did move my origional box back 2 inches. I haven't put it together yet but the plans sound similar. From what I've read I can use the GM pump with the toyota box. As the earlier post said Classic perform has some kits for the other F make. I had planned to use that pitman arm, coupler, fittings. I just got the box a month ago so keep me posted.
