Originally Posted by Apollo8642

Well we might have a good idea what we'll be looking at with what they have been doing with the DIG MR16DDT DeltaWing motor, and this new DIG HR15DDT Zeod DeltaWing motor development. They have releases the specs on the Zeod HR motor, it weighs in at only 88lb, and is putting doing 400hp, and 380 ft.lbs. out of a 1.5L three cylinder, and of course completely custom for racing.
If it is a four cylinder my guess would be you'll probably be looking at a variant of the MR20DDT.