Word on the street is that DSG did try a few of the copy blocks or "AMG Style" blocks in the beginning. It was told that there were issues with the blocks. The block had numerous issues with machining specifications, they had to check everything on each block, only to find issues. A few engines made it into service, some have run well, a few came back with extremely low oil pressure problems. The engines were taken apart and the normal causes were narrowed out of the investigation. The issue was likely a oil passage issue in the casting.

They are currently using AMG shortblocks now.

J