Tdi 300 turbo pressure

Might have to wind mine up some more 2mro then !!! if it Does not make much of a differents I will put it back tho !!! My 300tdi is running Absolutely spot on at then mo it goes like stink and pulls like a train and only smokes a little bit !!
BUT if I boost her up some more I will need to put more Fuelin her to.
has any one Wound up the main daddy Screw on the back of the fuel pump ??

I might have to try it Tomorrow ? But if it doesn't make a big difference I will put it back my 300tdi is running very very well at the moment it's got lots of Pull and lots of go in her don't what to #### it up !! I will have To turn the fuel pump up as well tho .has anyone wound up the daddy screw on the back of the fuel pump I might just give that 1/2 a turn when I boost up ??