retco said:I have many, many, mods to my F-350. I want to do some more to my T4R in PERFORMANCE in runs well, but it cant hang with the F-350 POWER STROKE.My T4R is a 4.0 V6, Red light to red light or top end the F-350 will smoke the T4R. With the Diesel i have Exaust, Cold Air Intake, Banks Turbo, Power Programmer and lots of other stuff. What can i do to my 4.0 V6 T4R, dont want expensive super charger or nothing like that just some little things that might make a difference.