A little extra boost

Thanks Turbodog.
I think that explains why my turbo doesn't feel quite as frisky as it used to! Seems it's been set up somewhat on the conservative side, compared to correct setting.

Time for some careful tweaking...

In my experience 13psi on the standard sized turbo is about as much as you can run safely on a standard fuel system (1 that is working properly). If you want to risk upping the fuel pressure you can run another 1-2 psi.