i would stick with the stockers until they go. i would think that they would help on a highly modified motor, but on a mild bolt on i dont think that they would help tremendously, except for throttle response and fuel economy. one thing to look into also if you whether you get new coils or not are some stainless steel cable coil connectors. i put some in my car with the stock cop's and didnt feel a power increase but i got a lot better throttle response and like 1 mpg better gas mileage.