Been Fighting Alot Of Problems,seems That Since I Have Big Injectors And Pump That My Car Did Not React Like Most When The O2 Burned Up,car Ran Great At 1/2 Throttle,any More It Would Start Backfiring.now What Kind Of 02 Can I Run With Racing Fuel,curently I Have A Heated 02 From A 05 Escalade.i Still Got The Factory Ecm And Can't Afford To Add The Alcohol Right Now But Still Want To Turn The Boost Up.