I like the sound of a 4 rotor.
5 years ago a Mazda mech at the track said there was not many 4 rotor motors left.
Jeremy Barnes driving at Laguna Seca.
Back when Mazda sponsored the Laguna Seca track, Mazda would bring a few 4 rotor GTP cars and this GTO car.
https://www.roadandtrack.com/motorsports/a5268/racing-race-cars-mazda-four-rotor-imsa-rx7/