could measure from the face to the holes and such and make a quick drawing.. someone here will have some they can compare to... faster than shipping/waiting
I found a thread describing how to modify a 318 bracket to work, you weld a piece to the driver's side mount so it bolts to the top ear on the rearward side. Look at the 3rd and 5th photos on this post 318 to 360 motor mounts (confused)