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Intake Manifold suggestions?

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Old Mar 13, 2007 | 10:24 AM
  #1  
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Default Intake Manifold suggestions?

Looking for some feedback on what it takes to throw a 90/90mm ls2 intake on?
Or
Is it better to stick with a LS6 intake?(80/80)
I'v already located a t/b that will work for the ls2 that uses a throttle cable instead of drive by wire..
My main consern is,
ls6 a better intake over the ls2 intake, or is the ls2 a better op then spending the big bux on a FAST 90/90
Also will fuel rails, injectors, ect work on the ls2 like they do for a ls6
HEADS = 243(ls6)
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Old Mar 14, 2007 | 04:20 PM
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Go LS6 if you are just looking to keep your car a bolt on.

Go FAST 90 if you have the money and atleast have a cam etc...although people do go the 90 route with bolt ons.

The LS2's flow is pretty shitty last I remember.
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Old Mar 14, 2007 | 07:03 PM
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Like lithium said an LS6 intake outflows an LS2 and it takes alot more to make the LS2 manifold work (I believe the fuel rails don't bolt right up.) If your looking to go with a H/C setup a fast 90/90 setup may be a good investment.

But if its a bolton car a LS6 intake and ported stock throttle body will work great
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Old Mar 14, 2007 | 07:06 PM
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I have the ls2 on my car and its not worth the trouble, wish i would have bought a fast 90
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Old Mar 14, 2007 | 07:10 PM
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i used the weiand. its an alumionum version of the ls6.it has an acces panel on the bottom for porting.and the opening can be ported to match the 60mm t/b.it looks good and resonably priced
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Old Mar 14, 2007 | 07:13 PM
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Originally Posted by 5_02ls1
i used the weiand. its an alumionum version of the ls6.it has an acces panel on the bottom for porting.and the opening can be ported to match the 60mm t/b.it looks good and resonably priced
60mm TB? I hope not... stock is what like 74mm?
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Old Mar 14, 2007 | 07:16 PM
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Default my bad 80 mm

Originally Posted by Luna
60mm TB? I hope not... stock is what like 74mm?
lol my bad 80mm
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Old Mar 14, 2007 | 07:37 PM
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Or if you want to get serious...
Carb manifold with sheet metal upper and a 90mm TB.
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Ls6 and ported TB or Fast with Williams 90mm TB.
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