everytime i mash my foot all the way down on the accelerator the car shuts off and when i let go it turns back on. also i cant press the gas down on the car past quater throttle. i got a 14.1 on quater throttle. i'd really like to see the full potential of the car.

 

TPS (Throttle Position Sensor) problem, maybe?

 

I would say TPS too..did you do any wiring to the car at all??? Check the ecu is it throwing and codes??

 

could be alot of things with ur highly modified car, start with checking codes, how is it shutting off? in the first place, its not possible for the car to cut power to everything while running in gear? is it doing an electric ignition cut off? or just at a loss for power? check ecu for any codes, if u have any fix them, could also be alot of other issues...