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Intake/throttle body

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Old 04-09-2009, 09:44 PM
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Default Intake/throttle body

trying to decide if a ls6 intake and ported throttle body will flow enough or if i need to go with a fast 90mm intake and throttle body.

my setup:

5.3 block
317 ported heads flowing 332cfm at 600 lift
234/240 @50 589 lift on a 115lsa
t-76 turbo with truck manifolds
front mount
snow meth kit
3in down pipe

any input would be appreciated, thank you
Old 04-09-2009, 10:45 PM
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Yep, 4 digit RWHP has been seen by several stock LS6 intakes.
Old 04-09-2009, 11:10 PM
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Originally Posted by slow67
Yep, 4 digit RWHP has been seen by several stock LS6 intakes.
ok that being said, about how much gain would you see from a fast 90mm and tb over an ls6 and ported tb on the above setup with lets say about 15 pounds of boost. Just trying to see if the money is worth the gain. thanks guys.
Old 04-10-2009, 06:18 AM
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The gains of the Fast setup on FI applications is small at best. IMO not worth the money.
Old 04-10-2009, 06:46 AM
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I actually got rid of my fast 92 intake for a ls6......fast intake didn't hold up for me at 16psi

https://ls1tech.com/forums/forced-in...cs-inside.html
Old 04-10-2009, 09:16 PM
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Does anyon else have any input on this subject matter.



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