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what is the AR on the TN kit

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Old Mar 21, 2006 | 10:29 PM
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Default what is the AR on the TN kit

i want to know the AR of the exhaust side on the TN kit ?? thanks!
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Old Mar 22, 2006 | 05:03 AM
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You've got a PM.
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Old Mar 22, 2006 | 05:10 AM
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What is AR?
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Old Mar 22, 2006 | 05:17 AM
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basically the size of the housing. I think it's aspect ratio.
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Old Mar 22, 2006 | 05:21 AM
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Here's the best by-the-book definition I could muster:

The A/R of the exhaust is a ratio of the exhaust housing inlet area to radius. The smaller A/R will spool faster, but choke off sooner. The higher A/R will spool later but make more power higher in the RPM band.

It's basically the size of the exhaust inlet opening on the turbine side.

Last edited by taurran; Mar 22, 2006 at 05:25 AM.
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Old Mar 22, 2006 | 05:23 AM
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And this is measured at the outlet port of the turbo itself?
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Old Mar 22, 2006 | 05:35 AM
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Originally Posted by kcobean
And this is measured at the outlet port of the turbo itself?
Turbine AR is measured at the inlet port, turbine side. AR stands for Area/Radius.
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Old Mar 22, 2006 | 05:43 AM
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Originally Posted by taurran
Turbine AR is measured at the inlet port, turbine side. AR stands for Area/Radius.
Oh yeah..you did say inlet in your ealier post didn't you. It's still early here.
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Old Mar 22, 2006 | 05:44 AM
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Originally Posted by kcobean
Oh yeah..you did say inlet in your ealier post didn't you. It's still early here.

we're all in the same time zone
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Old Mar 22, 2006 | 05:55 AM
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.73
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Old Mar 22, 2006 | 05:56 AM
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Originally Posted by chimmike
we're all in the same time zone

SSshhhhhhh....you're f'ing up my excuse for not being able to read!!!
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Old Mar 22, 2006 | 06:07 AM
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I can rag on you as long as i want because your car is teh hawtness.
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Old Mar 22, 2006 | 06:25 AM
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LOL....Ok, fair enough.
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