DOES THE CRANK SHAFT FOR THE MOTOR YOU ARE TRYING TO USE HAVE A BUSHING IN THE END OF THE CRANK OR A BEARING, IF IT HAS A BEARING IT HAS TO COME OUT , AND A BUSHING HAS TO BE INSTALLED , THE BUSHING HAS TO HAVE A HOLE IN THE CENTER ABOUT 20.60 MM IF THERE IS BEARING IN THERE IT WONT FIT ,IT HAS TO COME OUT , IF THE BUSHING IS IN THERE IT MAY BE BURRED UP ON THE EDGE , ALL OF THE V6 ISUZU ENGS USE THE SAME BUSHING AND CONVERTER BOLT UP ARE ALL THE SAME FROM 96 TO DATE, AND THE ONLY DIFF THEN IS THE NO OF BOLT HOLES IN THE FLEX PLATE, 96 AND LATER USE 6 BOLTS TO HOLD THE CONV, AND THE 95 AND BACK USE 3 OTHERWISE ALL THE BUSHING AND THE FLYWHEELS AND CONVERTER S ARE THE SAME JERRY