even my defi boost gauge over reads but my temps are fine.
100 does sound a bit hot for normal running but you need to check if it needs a top up and see how accorate the gauge is.
Peter
But do i need 550bhp...i doubt it as well but and a big BUT...at least i can say hmmm i've smoked that porsche,that aston and that slow m3..
Life live and enjoy it.
When is Crail again?