This Tulsa company has acquired the license for the 600-hp V8 engine from Orenda (see). It's the OE-600A model.

“Trace V8, 600 HP”

-In fact, 600 hp is the maximum power output at takeoff. Continuous power is 500 hp.

-It has turbocharging and fuel injection.

-The engine is water cooled with reduction gear. The 8:1 compression ratio means it uses 100% gasoline.