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Any adverse effect by reducing the air suction pipe from 4" to 2.75"?

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Old Jan 22, 2013 | 09:18 AM
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jameswwt
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Any adverse effect by reducing the air suction pipe from 4" to 2.75"?
Hi Guys,
just wonder is there any adverse effect by reducing the air suction pipe to the turbo compressor inlet from 4" to 2.75" pipe?

Will it improve the turbo spool?

Thanks
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Old Jan 22, 2013 | 09:36 AM
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BriK
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Less power, slower spool.

A turbo with a smaller A/R value will spool quicker.
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Old Jan 22, 2013 | 09:43 AM
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jameswwt
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Originally Posted by BriK
Less power, slower spool.

A turbo with a smaller A/R value will spool quicker.
Dam! as im on a gt3076r 4" compressor inlet & 0.63 turbine housing...
Hope to get the turbo spool faster
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