Well there is no simple answer to that. But If you go by the rule of thumb and calculate in the 15% loss in drive train consumption. most of the competitive cars I see are right at 630 HP running some form of LS motor. The cars weigh in at about 3300 lbs. that give the car a .191 HP for every 1 pound . My car I will estimate on the high side for weight at 2800 I believe it will fall more into the 2700 or less , But we will see . we are estimating 520/530 conservatively at the wheel giving the motor about 609 at the crank that gives me a .217 HP to every 1 pound . So I feel the car can be very competitive. I guess that's the short answer. A lot of other factors come into play on these cars. Such as getting that power to the ground. how well the car is set up and most important driver skill.