"Although the internals of the engine are standard Toyota (in fact made by Yamaha), Lotus fits different intake and exhaust systems and, significantly, has devised its own engine control electronics. The result is 190 horsepower (10 up on the Celica) at 7800 rpm and 133 pound-feet of torque at 6800 rpm."

http://www.caranddriver.com/article....rticle_id=7371