I was reading an article in Race car Engineering about the B-K Motorsport
LMP2 car that had a rotary in it and how they switched to a piston engine.
found this on the net.

http://www.rotarynews.com/node/view/879

Rob Woods


"MAZDASPEED Motorsports Development Manager Steve Sanders stated, Given the rules package,
we needed to make a radical change to be able to match the competition. The current
conditions and rules simply do not allow our rotary engine to have any competitive
advantage, hence the move to piston power this season."

It is criminal the way the  IMSA race series organizer have treated the rotary
engine. The air intake area allowed for the three rotor LMP2 car is less than
that of a stock RX8 2 rotor engine in a Star Mazda formula car.
Here are two pictures. One is of the three rotor LMP2 car intake and one of a two rotor Star
Mazda car with a stock RX8 engine intake. The three rotor is forced to use this restrictor
intake to purposely limit its performance. If I were Mazda I would boycott the IMSA phony
"car" racing series. Why spend a million dollars and have the piston powered car
arbitrarily handicapped at any moment when it starts winning. That is not CAR racing!
One must be very stupid to enter such a series.

Mazda can and should start their own sports car series similar to the star
Mazda series but allow p-port three or four rotor engines with a reasonable minimum weight
commensurate with the light weight of the rotary engine. Lap time comparisons
would favor the rotary engine sports cars.

Paul Lamar ...No rotor no motor.

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