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5.3l truck intake

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Old May 2, 2008 | 10:34 PM
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Default 5.3l truck intake
I have a 5.3L truck intake and I heard that swapping that out with the stock ls1 intake gets more power. Has anyone tried this? Does it fit because the 5.3 intake is taller??? Any suggestions welcome... thanks
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Old May 2, 2008 | 11:00 PM
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I read an aticle where they dyno test a truck , ls1, and ls6 intake and the truck intake performed nearly as well as the ls6. I'll see if I can find it.
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Old May 2, 2008 | 11:17 PM
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aight thanx man
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Old May 2, 2008 | 11:20 PM
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I found it chevy high performance july 04 It was a 6.0l truck manifold. It actualy made 1.7 more hp than a fast at 4700 rpm, 1000 rpm sooner, I would assume it was the 78mm not the 90.
Attached Thumbnails 5.3l truck intake-intake-dyno.jpg  
Last edited by vaticano; May 2, 2008 at 11:41 PM.
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Old May 3, 2008 | 02:56 AM
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Even if it did clear the hood which I'm not sure it would I would just spend the money and get a ls6 to keep that ugly massive thing off my car.
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Old May 3, 2008 | 03:44 AM
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yeah but I got the intake and 5.3L heads for free so why not use them for now...
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Old May 3, 2008 | 08:48 AM
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they are made for torque down low. they drop off in the upper ranges.
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Old May 3, 2008 | 11:55 AM
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Is this a 4th gen fbod, if so I did not think those intakes would clear the cowling.
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Old May 3, 2008 | 01:18 PM
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yeah its a 1998 Z28 with stock hood. Im getting a SS hood soon though
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Old May 3, 2008 | 01:55 PM
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Originally Posted by HTCooP34
yeah its a 1998 Z28 with stock hood. Im getting a SS hood soon though
I have a 5,3 intake. It still won't fit. Unless you put some spacers in the K member or something.
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Old May 3, 2008 | 04:08 PM
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aww damn. aight well thanx to everyone who posted
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