[bignasty02]

i have had this problem for a while now and i have done everything i can to try to fix it.. the truck has dual tts lift pumps dual exhaust s&b intake fuel rail fitting and boost valve stage 5 suncoast 3 star billet converter.. i have had my friend tune the truck with efi.. it made 460.. but it will not smoke for anything... the truck only make 20 lbs of boost.. we have changed everything in the tune that we can think of and it wont smoke... it just dosnt feel like it has 460. the truck dosnt pull hard at all. i think it is boost and fuel problem but dont know were to start i have changed the filter and everything no diff.. i can not figure it out someone please help.... thanks..