I HAVE A BORG WARNER LSD DIFF OUT OF A 1978 TE/TF FORD CORTINA 6 CYLINDER AUSTRALIAN ASSEMBLED (25 SPLINE AXLES),WHAT 5 STUD FALCON AXLES FIT THIS DIFF AND DO THE AXLES HAVE TO BE SHORTENED AND RESPLINED.I AM COLLECTING PARTS TO BUILD A 1974 FORD CORTINA TC/TD (MK3) TRACKDAY AND ROAD REGISTERED RACECAR WITH 1996 XR6 MOTOR 5 SPEED GEAR BOX,CORTINA DIFF,FALCON 4 WHEEL DISC BRAKES,STARTING PROJECT CAR IN THE NEW YEAR