There might be a problem with the oil pan and oil pick-up. Oil pan will probably rub on the center link unless it's a V8 link (ask me how I know this). Check out this:
http://u225.torque.net/cars/tech/SL6/oil_pans/oil_pans.html Might be able to shim the motor mounts to raise the motor if the center link is for a slant.
