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

New LT1 Intake Manifold update: New plan, new #s

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Old 02-23-2009, 01:34 PM
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sweet update..................
Old 02-23-2009, 03:48 PM
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Wow..great update...do you have a ballpark figure on price?

Last edited by Ponch95; 02-23-2009 at 04:12 PM.
Old 02-23-2009, 04:45 PM
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that is awesome. maybe im just a tard, but whats the 'hump'?
Old 02-23-2009, 04:49 PM
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I missed something here, what is the "hump" on F bodies that they want you to send in??
Old 02-23-2009, 05:38 PM
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The steel hump is the portion of sheetmetal that hangs down from the cowl. Its about an 1inch in depth.
Old 02-23-2009, 05:43 PM
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Awesome news, question though, will this be emissions legal? If not what do I need to do to make it emissions friendly?
Old 02-23-2009, 09:20 PM
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Are the Y-Body's taller than the F-Body's?

Thanks
Old 02-23-2009, 09:52 PM
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Originally Posted by Ponch95
Wow..great update...do you have a ballpark figure on price?
We meet with our welders this weekend and one of the things we will discuss are prices for the intakes and the options. I do know that all 3 stages will be well under $1000.00(there were a few on here that thought it would be north of that).
Old 02-23-2009, 10:00 PM
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Originally Posted by Akira_X
Awesome news, question though, will this be emissions legal? If not what do I need to do to make it emissions friendly?
Holley never meant for this intake to meet emissions unfortunatlly. It would take some modifications but I think it could be done. I'll bring it up when we meet with the welders.
Old 02-23-2009, 10:05 PM
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Originally Posted by ckpLT
Are the Y-Body's taller than the F-Body's?

Thanks
The lt1s will replicate the ones for the l98s. They are taller in the back and slant down with the shape of the hood. That design and performance of that design worked out very well.
Old 02-23-2009, 10:24 PM
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Originally Posted by GGPC
The lt1s will replicate the ones for the l98s. They are taller in the back and slant down with the shape of the hood. That design and performance of that design worked out very well.
Smart move to maximize plenum volume.

Shows that you guys put a lot of effort into this and didn't just hack an HSR down and drill new holes!
Old 02-24-2009, 02:19 PM
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how will these work on turbo application? Good Idea or no?
Old 02-24-2009, 09:43 PM
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Originally Posted by BLWNLT1_T/A
how will these work on turbo application? Good Idea or no?
If you mean by handling the boost, then yes it will.That's one of the reasons we welded the plenum on to the manifold.

Performance wise, it comes down to your heads. The more your heads flow, the better this intake will perform over your stocker. There's a company out there that uses a customized HSR on their TT big blocks.
Old 02-24-2009, 10:58 PM
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Originally Posted by GGPC
For F bodies, The intake will be in the neighborhood of 8.5 inches tall. Now that WILL NOT CLEAR your steel 'hump'.
OK so, I've never heard of this hump before :\ I'd assume it's a body part, but that'd be quite a big item to send out. Otherwise to save explaining, pics work great
Old 02-24-2009, 11:15 PM
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Originally Posted by Formula350
OK so, I've never heard of this hump before :\ I'd assume it's a body part, but that'd be quite a big item to send out. Otherwise to save explaining, pics work great
Here is a pic from earlier in this thread. Its the piece at the top of the pic hanging from the cowl.

http://www.1slowformula.com/ggpc/DSCN0756.JPG
Old 02-25-2009, 12:14 AM
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Originally Posted by GGPC
Here is a pic from earlier in this thread. Its the piece at the top of the pic hanging from the cowl.

http://www.1slowformula.com/ggpc/DSCN0756.JPG

Haha... I'll make that disappear on my own.


So, how long will we be waiting on the LT4 version?

Have you decided on the fuel rails yet?
Old 02-25-2009, 01:20 AM
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Originally Posted by Houdini
Haha... I'll make that disappear on my own.


So, how long will we be waiting on the LT4 version?

Have you decided on the fuel rails yet?
Making it 'disappear' sounds like an even better option.

I'm hoping on having a LT4 version by the end of March. As for the fuel rails, Instead of the lt1 fuel rail resting on the manifold, It would have to be facing away from it with the HSR. The injector would also have to be turned around 180 degrees as well and an extension to the crossover will be needed. A small bracket to keep it in place and that might do it.
Old 02-25-2009, 05:33 AM
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Originally Posted by GGPC
1. When you order, send in your 'hump' and we will modify it to fit the HSR.
Huh? Your talking about the bulge of metal that is on the underside of the cowl?!?

would it be feasible to just dent that thing in enough to clear?
Old 02-25-2009, 09:50 AM
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Originally Posted by hyperzone
Huh? Your talking about the bulge of metal that is on the underside of the cowl?!?

would it be feasible to just dent that thing in enough to clear?
Yea, I can't see sending the whole cowl in lol I think a BFH could do the truck though. Coincidentally mine is already cut out I think, I'm quite interested in what one of the previous owners had done with my car >_>
Old 02-25-2009, 10:33 AM
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Originally Posted by hyperzone
Huh? Your talking about the bulge of metal that is on the underside of the cowl?!?

would it be feasible to just dent that thing in enough to clear?
Yeah, just in the spot where the manifold sits. With that bulge in place, it leaves us under 8 inches. Its difficult cutting down the manifold that short and keeping the flow #s.


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