340 Static Compression Numbers and Test Procedure

Ok n order to try to answer the question of a cast crank or not. I also tried to capture the back end of the crank by the flexplate connection. I was hoping to find a parting line in the ring but I didn’t see one.

2D2A790B-A608-43AB-B3D8-831B9B179E1F.jpeg

0633DC73-B499-445B-9E2D-F7A6AC3736EF.jpeg