I think this is the engine it has :

http://www.roushyates.com/EnginePrograms/RoadRacing/ContinentalTireSeries.aspx

Looks like it is restricted to 420hp.

It's the cammer engine that makes 520hp which I think was in the older 302R

http://www.roushyates.com/EnginePrograms/RoadRacing/DaytonaPrototype.aspx


A new iron curtain drawn across the 49th parallel