[Dave in Denver]

I pulled the oil pan yesterday to see what happened. My original hypothesis was confirmed. The crankshaft sheared between the 3rd and 4th cylinder. Looks like the engien will be coming out this next weekend for some major surgery. I have attached some pics showing what I first found and what is is supposed to look like after I rotated the crank. I have heard about some counterbalanced forged cranks for Model A's. Has anyone had good experience with them?

Thanks, Dave