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

LT1 Intake for high HP

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Old Dec 17, 2005 | 05:11 PM
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Default LT1 Intake for high HP

I'm in the process of modifying two intakes for high HP LT1 engines. I'm thinking there's got to be a better way. Besides a stock intake and a sheet metal intake, are there any other choices?

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Old Dec 17, 2005 | 07:24 PM
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boy that sure looks like the same steve quinn does his
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Old Dec 17, 2005 | 07:29 PM
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LT4 intake.
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Old Dec 17, 2005 | 07:39 PM
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Edelbrock Vic Junior Style, drilled to fit Lt1 heads, cheaper then sheetmetal better then lt4
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Old Dec 17, 2005 | 09:11 PM
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Originally Posted by LittleRedZ
Edelbrock Vic Junior Style, drilled to fit Lt1 heads, cheaper then sheetmetal better then lt4
Thanks,

I can't use a carb style intake, I need the keep the TB in the stock location.
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Old Dec 17, 2005 | 09:14 PM
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Originally Posted by bww3588
LT4 intake.
How much HP can the LT4 intake support? Does it have the same small plenum as the LT1 intake?
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Old Dec 17, 2005 | 09:15 PM
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Originally Posted by automotivebreath
Thanks,

I can't use a carb style intake, I need the keep the TB in the stock location.
If the throttle body needs to stay in the stock location you don't have really many choices other than what you see. You can add plenum volume to the stock intake but besides that, the real shortcomings are the extremely short runners. Without touching anything else I think it's really kind of a waste of time cause your not going to improve much on the stock design otherwise.
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Old Dec 17, 2005 | 09:28 PM
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Originally Posted by Z284thgen
boy that sure looks like the same steve quinn does his
I looked up steve Quinn on the net, your right he ofers something very simular to what I'm doing. Anybody know how well his intake works?


Originally Posted by The Big Show
If the throttle body needs to stay in the stock location you don't have really many choices other than what you see. You can add plenum volume to the stock intake but besides that, the real shortcomings are the extremely short runners. Without touching anything else I think it's really kind of a waste of time cause your not going to improve much on the stock design otherwise.
On one of the cars I might be able to raise the TB up 1- 2". If I do so should I lengthen the runners?
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Old Dec 17, 2005 | 09:30 PM
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Originally Posted by automotivebreath
I looked up steve Quinn on the net, your right he ofers something very simular to what I'm doing. Anybody know how well his intake works?


if i dont change my plans then i will be able to answer that ? next season
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Old Dec 17, 2005 | 09:32 PM
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Originally Posted by automotivebreath
I looked up steve Quinn on the net, your right he ofers something very simular to what I'm doing. Anybody know how well his intake works?



On one of the cars I might be able to raise the TB up 1- 2". If I do so should I lengthen the runners?
Steve's intake worked extremely well but it was also designed around a car that didn't spend alot of time at low rpm's. Anything you can do to improve on plenum volume and runner length would be a plus but like I said, GM did a pretty good job designing this one so I dunno if your efforts will outweigh the cost.
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