I'm currently working on engine mounts for a 4200 in a '54 Chev sedan delivery. I'm using the stock 4200 upper mount brakets and biscuits (they're large & tall) and fabbing the lower mounts. If any pictures would help, let me know.
'54 Chev Sedan Delivery '56 Ford F-100 '57 Ford F-100 '71 Chev C10 Pickup '76 HD