Quote:
Originally Posted by BlaqWhole
It is a chemical reaction. Nothing more. It is not forced. Forced induction implies air being forced in via mechanical route. Simply, a mechanical device is forcing enough air into the engine to pressurize the intake tract.
So for argument's sake, if the temp outside drops from 90 degrees to 15 degrees, is that considered "forced induction"? I mean, it's the same thing...more oxygen molecules due to colder air. What about a Killer Chiller system or meth injection? Those systems allow for a denser air charge. Should we consider all those to be "forced induction" as well?
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You're implying that mechanical compression is the only way something can be forced. For me I see it different. The motor is being forced ,by way of a chemical reaction, to accept more oxyen thus being forced to accept more fuel than it ever could through running without nitrous. In your example above about a temperature change, the motor is still using the oxyen content that is in the air at said temperature. There is not addtional oxygen(by way of chemical reaction) being introduced, so no it wouldn't be forced induction just because of a temperature change.