LT1-LT4 Modifications 1993-97 Gen II Small Block V8

lt1 intake manifold

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Old Jul 28, 2008 | 12:33 AM
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Default lt1 intake manifold

having trouble finding a aftermarket lt1 intake anyone got any good websites to look for one??
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Old Jul 28, 2008 | 06:56 AM
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Summit has an Aftermarket Eldebrock one..
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Old Jul 28, 2008 | 09:59 AM
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I'm going to use the Edelbrock (already have it). Not sure if there are any horsepower gains to it.
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Old Jul 28, 2008 | 10:59 AM
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Ray@Nitrous Outlet
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What type of mods do you currently have...you may not need a new intake.

A ported LT1 intake is fine for the avg setup, and something like this can be done for the not so avg set up.

Edelbrock Vic-E, and our custom elbow to fit the LT1 throttle body.




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Old Jul 28, 2008 | 02:04 PM
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i looked on summitt and i couldnt find it, i was just trying to see if there wer anyother manufacturers tht made a direct replacement, i got tht ****** leak at the back of the manifold. i just figured if i was gonna tske it off might as well put a new one on there
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Old Jul 28, 2008 | 02:50 PM
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Originally Posted by Ray@Nitrous Outlet
What type of mods do you currently have...you may not need a new intake.

A ported LT1 intake is fine for the avg setup, and something like this can be done for the not so avg set up.

Edelbrock Vic-E, and our custom elbow to fit the LT1 throttle body.





And just how much does a set up like that go for?

Also What point in mods is an intake like that even justified on the the car. HP ratings etc.
Thanks
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Old Jul 28, 2008 | 03:21 PM
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Originally Posted by fossilboy223
i looked on summitt and i couldnt find it, i was just trying to see if there wer anyother manufacturers tht made a direct replacement, i got tht ****** leak at the back of the manifold. i just figured if i was gonna tske it off might as well put a new one on there
edelbrock makes the only production replacement intake manifold for the LT1s. That being said, there are barely if any gains, so you're almost better just pulling your intake, checking the seating surface for warpage and if alls okay, put it back on with good gaskets and a good amount of Silicone
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Old Jul 28, 2008 | 03:21 PM
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Originally Posted by AChotrod
And just how much does a set up like that go for?

Also What point in mods is an intake like that even justified on the the car. HP ratings etc.
Thanks
A single plane conversion will run 12-2500+ depending on parts used.

I wouldn't suggest a single plane for a NA car making under 450 hp or so. Unless they are looking to improve high rpm power at the expense of low end torque.

A ported LT1 intake can support upwards of 500hp before it becomes a huge restriction on a non forced induction application.

To the OP's request If you are still on stock heads I would just replace the intake gaskets and insure you have the lifter valley sealed when you replace them. The key is dropping the intake straight down and not sliding it back and forth before bolting it down.
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Old Jul 28, 2008 | 03:45 PM
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Originally Posted by buffman
edelbrock makes the only production replacement intake manifold for the LT1s. That being said, there are barely if any gains, so you're almost better just pulling your intake, checking the seating surface for warpage and if alls okay, put it back on with good gaskets and a good amount of Silicone

I agree!
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