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| Engineering/Technical Ask technical questions about cars. Do you know how a car engine works? |
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05-01-2013, 03:26 PM
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#1 | |
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AF Newbie
Join Date: May 2013
Location: Moorsele
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Turbo's
Hello everyone,
Why do car manufacturers use multiple turbos on one engine? regards |
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05-01-2013, 07:32 PM
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#2 | |
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A990 racer
 Join Date: Mar 2002
Location: Chestertown, New York
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Re: Turbo's
Usually to eliminate turbo spool up lag.
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05-01-2013, 11:45 PM
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#3 | |
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AF Enthusiast
Join Date: Mar 2007
Location: canton, Ohio
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Re: Turbo's
Two small units can spool up faster than a single, larger unit. Faster spool results in better engine response.
The other option is to use a small turbo and a large turbo. This is called a "sequential" setup. The small turbo provides instant power and the larger unit takes over at higher RPM. A single turbo setup is generally cheaper and more reliable. |
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05-02-2013, 12:55 AM
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#4 | |
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SHO No Mo
Join Date: Jun 2004
Location: Cedar Rapids, Iowa
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Re: Turbo's
And if the engine is a v-style engine, it's common to install one turbo on each banks' exhaust manifold. The described sequential setup is more common on an inline engine with a single bank of cylinders.
-Rod |
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