In my experience in street racing, there is more lies than truth. That is where the real skill comes in, to know what runs what. Usually you can tell what a car has in it by the sound of the exaust, and I don't mean how deep or loud, but a strong motor has a strong sound to it, while a weak motor with with loud exaust sounds like a 4 year old girl with a megaphone. People alway lie about the size of thier shot, how much boost they are running, weather the motor is stroked or not, head work, ect. "Is that a stock longblock, or a stroker with hogged out stock heads?" That is the queston.