Dyno'd on a dynojet recently, with the peak boost rating thru the dyno showing as 7.5psi.

Meanwhile, my Defi D-Link shows peak boost as about 0.675 bar, which converts to 9.81psi.

I know that dynos generally tend to read a bit lower than gauges, but I wouldn't mind knowing wtf I'm actually running so I can have it tuned better... any suggestions ?

 

Depends on where your boost gauge is reading pressure from. If you are reading right at the compressor outlet then it should read higher as the pressure drop from the intercooler is not accounted for..