Quote:
Originally Posted by Vinalero
it doesnt work like this, its only the pressure of the air in a system that is reprensented by the 6 psi. Your tires arent 32 times bigger than flat when they are filled at 32 psi. Its only a pressure value. There is not 6 times more air getting in the throttle at high boost. Its only that instead of the engine sucking the air alone like on an N/A, the supercharge force some more air in the engine by pushing it in + the engie sucking it, so more air gets in the engine, not 6X more air.
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You're on the right track. You don't add fuel too compensate for boost by going off how much pressure it makes, you go off how much air is being moved. A big turbo, a small turbo, and a supercharger will all pump a different amount of air at 6psi. If they were all the same at 6psi, then you could run the exact same fuel setup with the exact same amount of fuel going in whether you have a 500hp turbo or a 200hp turbo. You can't tell how much air is going in at 6psi just by saying "it's pushing 6psi", that's why you have to tune every setup differently.