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| Engineering/Technical Ask technical questions about cars. Do you know how a car engine works? |
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01-23-2002, 08:23 PM
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#1 | |
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AF Enthusiast
 
Join Date: Feb 2001
Location: Sea Cliff, New York
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Turbo/Supercharger question
Just curious about something. I know how both work, so I'm not asking that.
 My question is does a car with forced induction run "leaner" than a car with out? Both allow more air into the engine, so is the engine leaned out or what?
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01-23-2002, 08:57 PM
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#2 | |
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Forza Schumacher
 
Join Date: Mar 2001
Location: Tallinn
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Yes, it is a probability. NA carbs/injectors do have some reserve built into them, but if you're really pushing the boost up, they will run out of potential (BOOM!!!!). That's why you can often read/hear about bigger injectors.
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01-24-2002, 01:34 AM
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#3 | ||
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Writer Mod
Join Date: Jan 2001
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Re: Turbo/Supercharger question
Quote:
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01-24-2002, 11:35 AM
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#4 | |
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The Red Baron
Join Date: Oct 2001
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Only if you slap the Turbo/Super on and don't change the fuel to air ratio.
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01-25-2002, 10:06 AM
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#5 | |
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AF Enthusiast
 Join Date: Nov 2001
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No, it doesn't. They use a fuelpressure regulator wich increase the fuelpressure when the boost comes. With a standard regulator, let's say 1 bar boost pressure and 3 bar fuel pressure at no boost. When the boost rises to 1 bar the fuelpressure will rise to 4 bar. With a progressive regulator with say 1.2:1 the pressure will be risen to 4.2 bars.
But if you tune the car more than the injectors/fuelpump can handle it will be leaned out. But with the right stuff it's not a problem. |
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