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Intake manifold questin

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Old Jan 4, 2017 | 05:13 PM
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Default Intake manifold questin

Whats up guys, over the winter i am changing a few things on my setup. I currently have a ls6 intake manifold with a stock throttle body. I feel like it is hurting my setup but i could be wrong. I am looking to switch but im not sure which direction to go. I do street drive the car alot. It is a th400 car so when im in power its between 5800-7000 rpm. I would like a 90mm throttle body which i feel the car would benefit from big time but lost on what intake. I dont want to cut the cowl. Ive seen a few intakes but would like opinions/dyno results from switching . Turbo car.

ly6 408. - 9.7:1 Comp E85
afr heads.
s484
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Old Jan 4, 2017 | 09:52 PM
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If the little info you provided is correct, your tune must be off. Otherwise, you wouldn't be asking these questions. Your intake and TB are not a problem on ANY turbo car that ever sees street duty. The fact that you are spinning a 408 turbo to 7krpm leads me to believe you are either the most jaded horsepower junkie alive, or you are doing it wrong.
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Old Jan 4, 2017 | 10:18 PM
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Originally Posted by gametech
If the little info you provided is correct, your tune must be off. Otherwise, you wouldn't be asking these questions. Your intake and TB are not a problem on ANY turbo car that ever sees street duty. The fact that you are spinning a 408 turbo to 7krpm leads me to believe you are either the most jaded horsepower junkie alive, or you are doing it wrong.
it spins to 6800 at the most. Made 715whp at 11 psi on the 28 radial. Just was looking at options. Lol. I do like hp though.
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Old Jan 5, 2017 | 06:34 AM
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Originally Posted by Hypforlife32
it spins to 6800 at the most. Made 715whp at 11 psi on the 28 radial. Just was looking at options. Lol. I do like hp though.
More boost is free.
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Old Jan 5, 2017 | 07:46 AM
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In before Mark's Mustang with a 403 ci w/ stock 317 heads and LS-1 intake w/ stock throttle body and home built th-400 went 7's comment.
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Old Jan 5, 2017 | 07:59 AM
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Originally Posted by 408GT
In before Mark's Mustang with a 403 ci w/ stock 317 heads and LS-1 intake w/ stock throttle body and home built th-400 went 7's comment.
Mighty Mouse went 8s with a ls6 intake :p
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Old Jan 5, 2017 | 08:19 AM
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Originally Posted by sbcgenII
Mighty Mouse went 8s with a ls6 intake :p

But who would want an intake that allows you to close the hood?
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Old Jan 5, 2017 | 08:27 AM
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Originally Posted by 408GT
In before Mark's Mustang with a 403 ci w/ stock 317 heads and LS-1 intake w/ stock throttle body and home built th-400 went 7's comment.
In Before "Stock48 went 7s with a stock displacement 6.0 with stock truck intake/throttle body off the footbrake in a 3400 lb street car".
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Old Jan 5, 2017 | 08:54 AM
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And I went "nowhere because my first time out on the street I blew my block to pieces because of a damn vacuum line"
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Old Jan 5, 2017 | 06:44 PM
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Originally Posted by 87caprice318
And I went "nowhere because my first time out on the street I blew my block to pieces because of a damn vacuum line"
Isn't this how it always seems to go? 9 thousand people can go crazy fast on stock 250,xxx mile stuff, but when you (or I ) try, it goes to ****!
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Old Jan 6, 2017 | 07:39 AM
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Originally Posted by rpturbo
Isn't this how it always seems to go? 9 thousand people can go crazy fast on stock 250,xxx mile stuff, but when you (or I ) try, it goes to ****!
Because the big thing most people (including myself) get caught up in is "do I need a bigger this, or the best that", etc. and they miss the fact that everything has to work together as a combination to work correctly and go fast.
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Old Jan 6, 2017 | 07:42 AM
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I like it when everyone all buy the same camshaft or intake whether its a 4.8 or 6.2 and expect it to work "Because it did for someone else". lol.
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Old Jan 7, 2017 | 01:50 PM
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Originally Posted by sbcgenII
Mighty Mouse went 8s with a ls6 intake :p
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