I HAVE A 618 WHICH HAS BROKEN THE FIBERDISC PLATES WITH TURN THE TRANSMISSION WHEN I INSTALLED THE NEW ONE THE FRONT SIDE OR THE TRANSMISSION SIDE IS LOWER THEN THE MOTOR SIDE BY A LEAST A QUARTER OF AN INCH THE NEW DISC DID NOT LAST VERY LONG ANYONE CAN TELL ME IF THERE IS SOMETHING WHICH CAN BE DONE TO LEVEL OUT THE COULPER BETWEEN THE MOTOR AND THE TRANS LOOKS LIKE THEY ARE BOTH MOUNTED SOLID NOTHING APPEARS TO BE BROKEN.