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View Poll Results: Which Intake Manifold do you swap your stock LS1 for, assuming you are porting after?
LS2 Intake Manifold?
1
3.85%
LS6 Intake Manifold?
25
96.15%
Voters: 26. You may not vote on this poll

LS2 or LS6 Intake Manifold???

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Old Oct 30, 2007 | 02:07 PM
  #1  
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Default LS2 or LS6 Intake Manifold???

LS2 or LS6 Intake Manifold???

You have a deal on both.. which one do you get for an upgrade for your stock LS1... planning on porting which ever I get?

Thanks for the reply... anyone have experiences on theses with Dynos? In the FAR future planning on supercharging, getting the ducks in a row until then piece by piece.
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Old Oct 30, 2007 | 02:13 PM
  #2  
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Originally Posted by Zenak
LS2 or LS6 Intake Manifold???

You have a deal on both.. which one do you get for an upgrade for your stock LS1... planning on porting which ever I get?

Thanks for the reply... anyone have experiences on theses with Dynos? In the FAR future planning on supercharging, getting the ducks in a row until then piece by piece.
LS6 performs better and accepts your stock throttle body

LS2 is a downgrade in manifold, but you will have to use the bigger throttle body

I was faced with this same question, LS6 is the winner
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Old Oct 30, 2007 | 02:22 PM
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Originally Posted by eurospec1
LS6 performs better and accepts your stock throttle body

LS2 is a downgrade in manifold, but you will have to use the bigger throttle body

I was faced with this same question, LS6 is the winner
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Old Oct 30, 2007 | 02:56 PM
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Ls6
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Old Oct 31, 2007 | 08:04 AM
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ttt
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Old Oct 31, 2007 | 04:15 PM
  #6  
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Have an LS1 like you and am going to put on LS6 intake this winter with a few other nice mods this winter. Hope to be about 450 rwhp when done.
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Old Oct 31, 2007 | 05:18 PM
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I had heard that the LS2 was a better choice if you plan to do heads and cam etc. For a fairly stock LS1, the LS6 is a better choice, but once you start running more HP, the LS2 is the choice. Was I mis-informed? Is there any counterpoint to this? I plan to do ported 243 heads and a fairly aggressive MTI cam, and have been questioning what intake to run.
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Old Oct 31, 2007 | 05:48 PM
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Just buy the FAST 90 and don't look back.
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Old Oct 31, 2007 | 05:55 PM
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Originally Posted by Independent1
Have an LS1 like you and am going to put on LS6 intake this winter with a few other nice mods this winter. Hope to be about 450 rwhp when done.
Good choice. Do the Z06 pcv valve conversion too while you're at it.
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Old Oct 31, 2007 | 07:07 PM
  #10  
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Originally Posted by IM28702
I had heard that the LS2 was a better choice if you plan to do heads and cam etc. For a fairly stock LS1, the LS6 is a better choice, but once you start running more HP, the LS2 is the choice. Was I mis-informed? Is there any counterpoint to this? I plan to do ported 243 heads and a fairly aggressive MTI cam, and have been questioning what intake to run.
Misinformed, the LS2 does not flow as well as the LS6
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