Forced Induction Superchargers | Turbochargers | Intercoolers

inlet pipe size?

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Old Dec 7, 2012 | 07:45 AM
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From: Fuquay Varina, NC
Default inlet pipe size?

I'm running an s480 turbo with no intercooler on a ls3 headed 6.0. My inlet pipe will be 8 inches long. Should I use 3 inch or 4 inch diameter pipe?
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Old Dec 7, 2012 | 11:36 AM
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I would do whatever size the inlet is on the turbo.
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Old Dec 7, 2012 | 12:17 PM
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Originally Posted by IH8FORD
I'm running an s480 turbo with no intercooler on a ls3 headed 6.0. My inlet pipe will be 8 inches long. Should I use 3 inch or 4 inch diameter pipe?

Are you talking about the inlet that fresh air comes into the turbo then goes out the discharge? Ifso, the borg has a 5" inlet, and as David said, i would not go smaller.

But, since you are asking about 3" or 4" im thinking you might be talking about the discharge, if it was me and its that short, i would do whatever size i had available to me, 3" works fine but going to 4" wont hurt anything.
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Old Dec 7, 2012 | 12:18 PM
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Travis, 4" is what I would do. Isn't your elbow 4"?
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Old Dec 7, 2012 | 04:04 PM
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Yeah the elbow is 4 inch. I had planned on running 4 inch just wanted to make sure it was ok
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Old Dec 8, 2012 | 09:59 AM
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I would definitely run 4" piping.
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