i have a 2wd on l6,msd chip,mongoose,k@n group a,3 bar map sensor,803 greens,new t34 with a .48,collins actuator,rs500 style cooler,standard ignition system bar all new parts and that made 335.9 atw the wheels at ava,the .48 was a bad housing in design so i changed it for a garret housing.they said the injectors were at their limit at that though.