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Question about C6 intake manifold on C5

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Old Mar 17, 2005 | 10:26 PM
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Default Question about C6 intake manifold on C5

Is putting a C6 intake manifold and throttle body on a C5 LS1 worth the time and money. Also, does it make more horsepower? Is the Z06 manifold the same as an 03 LS1? I was told it was the same!

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EB 2003 C5
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Old Mar 17, 2005 | 11:05 PM
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The '03 LS1 has an LS6 intake. From what I've seen the guys that have done the LS2 manifold are seeing no gain over the LS6.

-Chris
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Old Mar 18, 2005 | 12:13 AM
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so the intake from a C6 fits a C5 ?
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Old Mar 18, 2005 | 03:19 AM
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Originally Posted by BEEN THERE
so the intake from a C6 fits a C5 ?
Yes, but the LS6 intake works better on the LS1. From what I have read they have actually lost a bit of power putting the LS2 intake on the LS1.
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Old Mar 18, 2005 | 11:38 AM
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Andy at a&a said he lost around 20 hp on his sc setup.
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Old Mar 18, 2005 | 02:41 PM
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Old Mar 18, 2005 | 02:56 PM
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Wonder if the LS7 manifold will fit on an LS1. That thing look really beefy when you see pics of the C6 Z06's engine.
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Old Mar 18, 2005 | 06:08 PM
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IIRC, the LS6 intake works better on the LS2 than the LS2 intake works on the LS2.
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Old Mar 19, 2005 | 12:37 AM
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On of the trade rags just did an article to which this was tested and in fact they lost hp and tq. Definately not a worth while investment.
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