An AEIO-360 has a solid flange crankshaft.

BJ

Jay Moreland wrote:

I need to have someone explain to me the advantages of two different
Aerobatic engines: IO-360 with Christen Inverted Oil system VS an
AEIO-360. Are there any inherent benefits of one over the other when
doing acro with negative G maneuvers? Or are they essentially the
same? Can you take any Lycoming IO model (320 or greater) and put on a
Christen system and have it work well?