Originally Posted by modme

Obviously those numbers are incorrect. Does it make sense to you to make 400whp and get 35mpg?

The mpg system calculates the number of injector pulses x injector size versus number of miles traveled. You are using 600cc injectors now instead of the stock 380cc. You might be making less injector pulses but each pulse is 600cc. The mpg computer still thinks you are using 380cc injectors.