I fitted a boost gauge a few months back as part of my Dawse install, everything has been going great.
Recently my boost gauge went belly up so I decided to use the Torque app on my phone to watch boost with that.
I already knew that for whatever reason, there's about a 5 psi difference between what my boost gauge tells me and what the Torque app tells me, gauge says 15, app says 10.
I set my Dawse to give me about 15 psi via my gauge (which is 10 on the app) as everyone seems to be happy that around 15psi is a safe spot to have it set to.
Driving home today I was thinking, 'What determines how much fuel is put into the motor to match the amount of boost?' It can only be the ECU. Then I asked myself 'How would the ECU know how much boost is being made?' It can only be from whatever it is, that is giving me the boost figures my Torque app uses.
Does that sound correct? Does the ECU use the same info the Torque app would be reading?
I was thinking then, if it is, I could possibly wind my Dawse valve in and up my boost and consequently get more power. Does that sound feasible?
Currently my EGTs rarely hit 500, hottest I can remember seeing on more than a few occassions is around 470, it has hit 500 since the Dawse install but very very rarely.
The thing that brought this to my mind was the thought that I can alter the boost via the Dawse valve, but I can't alter the amount of fuel going in, am I running rich or lean, I don't know. I just thought that the ECU must have some way of working out how much fuel to put in and it must be related to boost, so where could it get the boost info from, could it be the same place as the Torque app does??? If it is, then that app data is more useful than the gauge data.
Any thoughts or info or corrections etc???
