hey guys, im new to the turbo world, ive got a bf xr6t 6 speed auto (extra clutch packs) flash1, intercooler, fuel system/injectors, exhuast, waste gate modded. its alleged dyno of 357 kw. the thing is, its performance is varied. sometimes its good and really kicks you in the guts(weather not permitting) and other times it sounds like it is bypassing boost and it doesnt pull as hard. ive been reading forums about acutators and such but its all over my head. question is has anyone had such a problem and wtf could it be. it has been a bit negelected, bar oil changes, ive cleaned the k&n (which was black as!) done fuel filter which was not as clean as it could of been. any info to a resoloution is greatly appriciated.