TwinTurbo.NET: Nissan 300ZX forum - Longer narrow pipes contribute more to skin friction
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Subject Longer narrow pipes contribute more to skin friction
     
Posted by BlackholeZ on October 02, 2020 at 10:34 AM
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In Reply To Quick experiment for you... posted by kickerzx on October 02, 2020 at 07:52 AM
     
Message Same mass flow means higher velocity in a smaller pipe. That higher velocity difference between the wall and fluid flow means more shear in the fluid, and more resistance to flow.
Yes its best to remove all bottlenecks, but it's also been shown plenty that larger turbo inlets help even stock turbos.

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