i was doing some research between the two engine and found those differences to be quite a bit. like the connecting rod being 6&quot;long for the 60 engine and 6.75 for the oliver 66 engine aswell as the diameter of the wrist pins. i was wondering if pistons from an Allis chalmers B 125 cubic inch engine are offset in the wrist pin area or even like the oliver 60 the wrist pin diameter is .8131 for the allis chalmers and  .8746 for the oliver 60 any ways  i would still need to know the length of the connecting rod for the allis chalmers engine to make sure that would work, i could see boreing the sleeves in the block i have. 

yes i would be interested in your article.