help with a 383 cheby

yap a cheby question and I know there is people here to help me out

I own a 1995 sierra with 350 equiped with TBI
never hade big problem with that truck BUT it's pig at the gaz station
it really doesnt pull hard as it drink THATS FOR SURE

I wanna built a 383 for it and stay with the tbi set up
was looking at the pro comp heads 195cc and a scat rotating(cast)
small hydraulique computer freindly cam

do know if the ecm will be ok with that
will the tbi choke me

give your idea on it

Thanks Bob