boost ?

[dannyf]

Got a quick ? To the floor I'm making a pinch over 20psi through 1st 2nd and 3rd gear then 4/5th I'm making a pinch below 30psig. Is this normal? Truck is an 05 350 with 58k straight piped stock filter that needs to be changed and 2k mile old 5w40 t6

[HawaiiBake]

Just went through all this with my truck. That is the exact same thing my truck does. I have tried different tunes, but no matter what i do i cannot sustain high boost levels in low gears unless i do a boosted launch.