Quote:
Originally Posted by fr0stb1t3
The way a turbo works is by forcing air into the engine at a much faster rate than an engine could draw in on it's own, essentially shoving it down the intake. More air + more fuel = more power.
The amount of pressure the turbo puts on the intake is called boost and it's measured in PSI (pounds per square inch).
That's the short and sweet version, if you'd like I can get more technical though.
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the size of a cylendar and piston allows a certain volume of air, that volume is limited to atmospheric pressure (+- depending on speed)
the turbo charger compresses air and therefor increases the amount of volume of that air in the cylendars, for all practical purposes, this does the same thing as adding cubic inches for the burn cycle
this does a number of things, it also allows you to run without the "compressor" when power is not needed, therefore giving you a "big" engine when you need it and a "small" engine when you don't, improving gas mileage
