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LS3 Intake recommendations

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Old Jan 15, 2014 | 05:57 PM
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Default LS3 Intake recommendations
I am in the middle of a turbo LS3 build.
I like the low-rise efi Holley intake, but it looks like it is for the LS.
Other than FAST, any recommendations on an intake?
Stock or maybe LS7?
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Old Jan 15, 2014 | 06:33 PM
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Do you still have the stock heads?...I am fairly certain holley makes a low-rise intake for the ls3 heads...
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Old Jan 16, 2014 | 10:27 AM
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I do have the stock heads. I'll call Holley. The one listed on their site is for the LS1.
A few people said to get a sheet metal/aluminum one made. That intake is not in the budget.
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Old Jan 16, 2014 | 03:51 PM
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The stock LS3 intake manifold should flow more than enough air to suit your needs plus it's a lot cheaper. LS7 intake won't work.
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Old Jan 16, 2014 | 10:44 PM
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Will the stock intake take boost ok?
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Old Jan 18, 2014 | 01:27 PM
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Sure it will, the stock LS3 heads and intake flow quite a bit of air even in stock form.
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Old Jan 18, 2014 | 10:41 PM
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Stay with the stock intake. It will work well with force induction.
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Old Jan 18, 2014 | 10:51 PM
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If I could rewind I would've kept my ported LS3 intake. I don't see the need to spend double. I even think the stock is stronger.
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Old Jan 19, 2014 | 02:00 PM
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To RyanSws6, funny you say that bc my buddy has a 408 in his ta with ls3 heads and a fast 102. Yesterday I went with him to tick performance to test hp difference between the fast and stock ls3 intakes, and I think the diff was amazing. The ls3 made 13 more peak hp and 8 trq at peak, but that's not what amazed me, it was that the ls3 made 25 hp and 34 trq at 3700 rpm. The 102 fast had a 102 throttle body and the ls3 intake had a 92mm TB. I know this was on a N/A motor and it might be different with forced induction.
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Old Jan 20, 2014 | 09:10 PM
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Originally Posted by Siggy25
To RyanSws6, funny you say that bc my buddy has a 408 in his ta with ls3 heads and a fast 102. Yesterday I went with him to tick performance to test hp difference between the fast and stock ls3 intakes, and I think the diff was amazing. The ls3 made 13 more peak hp and 8 trq at peak, but that's not what amazed me, it was that the ls3 made 25 hp and 34 trq at 3700 rpm. The 102 fast had a 102 throttle body and the ls3 intake had a 92mm TB. I know this was on a N/A motor and it might be different with forced induction.
damn!
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Old Jan 20, 2014 | 09:34 PM
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Originally Posted by keith102371
damn!
Double Damn. I am going to use that information on another forum.
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Old Jan 20, 2014 | 09:39 PM
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Holley makes a rectangle port intake, but nothing is wrong with the stock LS3 intake. If its being used at over 500 HP N/A, it'll flow enough for a boosted setup at twice that.
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Old Jan 21, 2014 | 07:21 AM
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Ive seen quite a few people using the Edelbrock Vic Jr if you have room for it. That's what Im going with on my NA L92
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