96 3500 cummins power
 

sorry for asking so many questions but i dont know much haha after i decide what im doing with my tranny either put a nv4500 in there or just get a new ats toruqe converter, i plan on buying injectors.... so far i have #10 fuel plat slide forward gauges afe air filter in the stock housing but i have three inch rv sewer hose going through fire wall to the bottom of air cleaner housing. hy 35 switched out for the hx35 waste gate line is pluged off im getting a peak boost of 38 psi! crusing and 60 mph on flat ground only getting 650 degrees egt and averaging 20 mpg..... so the question is with all that the toruqe conver and say 80 hp injectors will i see a increase or decrease in mpg... or should i put 50hp injectors i want around 350+ hp no idea how much power i have now but anyway can i getting any more power and mpg out of my old 3500