[Safari Larry]

Yes, Bill, we are both correct, I did not mean to imply that you were not correct. You directly answered his question. I gave another option.

To easily use the 60 engine, he would need to use the 55 Hydramatic transmission. The 55 trans will bolt up to the 60 engine. However, he would need to grind a little off the rear of the crankshaft for clearance, as described by Rich Gabrielson on my web site.