How about some Rotary content?
3 Rotor a.k.a. 20B.
Same 3 Rotor in a 93 RX-7
The girl that built said 20B - Kandi from Pettit Racing.
Non-Turbo (less potent) 20B, what you see in DP cars in the Rolex series. Think Jim Downing in the old days. They run 4 Rotor engines now.