Originally Posted by skelleyaz
The vacuum line is plugged. Why?
Basically if you run too much boost you run the risk destroying the engine, it can happen fairly quickly as well. Your fuel system needs to be up over par and you already have the exhaust figured out...open headers? overkill for sure.
In your case you will not know when you are running "too much" boost unless you can hear it start knocking. Once it starts knocking it can get bad qucik.
but then again you say you are running 100octane?
With the fuel you run in it being constantly higher octane and the exhaust setup/ oh and the weight of your "car", etc....it may very well be possible to go smaller than 2.2" but I would not be the one to make that call.