how much stuff do i have to do to my engine to be able to beat a stock 95 z28???

how much stuff do i have to do to my engine to be able to beat a stock 95 z28???free up some airflow, headers,offroadpipe,catback, pulleys, adjust your tps to 1.volt set timing to 14, cold air kit,remove some weight in the car. gears, if auto converter if stick leave around 3g or so. tires. efans, lower tstat, with all this you should spank one. without touching motor.