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

*PICS* Lt1 Hsr Design

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Old Aug 11, 2008 | 11:08 PM
  #61  
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Originally Posted by 94LT1Bird
if it proves good power gains id pay up to 900 for one....i mean hell....whats a FAST 90 or FAST 78 go for for ls1s.....i hate it when ppl are like...uh...well this car is old....stuff should be cheap.
FAST stuff is really expensive, but for the same reason (lots and lots of time/work/fabrication goes into it).

As stated above, if the intake makes good power over stock and really shines with some heads/cam or maybe F/I then I will be coughing up whatever it takes to get it on my car.
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Old Aug 12, 2008 | 08:48 AM
  #62  
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Originally Posted by Fixxer99TA
As stated above, if the intake makes good power over stock and really shines with some heads/cam or maybe F/I then I will be coughing up whatever it takes to get it on my car.

Agreed!!!

You can just put me down for a stage-3 now... pending results, of course.
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Old Aug 12, 2008 | 04:12 PM
  #63  
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hsr from holley as is, is abit over 300 dollars for base and plenum. i could see 500-600 for a modded one that fits. more r & d into designing better runners i can see 700.

This is more than just throwing A hsr on an lt1. The lt1 manifold is a lot like a mini ram. Now, on a L98 engine, the hsr and the mini ram are just about even when it comes to generating hp with the hsr having a good advantage in torque. With the lt1 starting off with a mini ram like intake, what can we do to the hsr to surpass the hp #s of the stocker and keep killer torque?
i dont think you'll make much more power on a stock headed bolt on car over base LT1 intake. I can see more torque...you will make more lowend torque since the runners are longer but hp will be hard to change. not a big deal tho, more power under the curve with more torque everywhere will make the car faster. its not about peak hp as you should gain some on the lowend
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Old Aug 12, 2008 | 04:42 PM
  #64  
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Originally Posted by Orr89rocz
hsr from holley as is, is abit over 300 dollars for base and plenum. i could see 500-600 for a modded one that fits. more r & d into designing better runners i can see 700.



i dont think you'll make much more power on a stock headed bolt on car over base LT1 intake. I can see more torque...you will make more lowend torque since the runners are longer but hp will be hard to change. not a big deal tho, more power under the curve with more torque everywhere will make the car faster. its not about peak hp as you should gain some on the lowend
Thats why we are taking some time with this one. We know the torque will be there. We took a good look at the edel lt1 intake and why it gained 5whp over the stocker. It seemed that there was a little more plenum volume on the edel. The runners were the same just a 1/4 inch longer. So with more plenum and the design of the runners, we hope to see some decent gains hp wise. Like I said earlier, this intake wont raise the power band. It will give more hp/trq throughout it.
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Old Aug 16, 2008 | 02:18 PM
  #65  
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I like the looks of this
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Old Aug 16, 2008 | 04:48 PM
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Originally Posted by GGPC
The stock/bolt-on version Im thinking $7XX. The other 2 its hard to tell because of the different amount of port work for each one. We could take $40-$60 off if we could get a group purchase from Holley. I dont think that will be a problem though.
I think the price is decent as long as the other two don't go up astronomically.
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Old Aug 16, 2008 | 06:27 PM
  #67  
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Originally Posted by Beaflag VonRathburg
I think the price is decent as long as the other two don't go up astronomically.
Update on the price. For the stage1, if we DO NOT make it an air gap and leave the material in between the runners, the price will be in the $600 range. The stage 2 wont be too far from that. We can make the air gap another option.
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Old Aug 16, 2008 | 09:33 PM
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if the other stages are really high flowing and air gap design, and such a big improvement over base HSR as from holley, hell i'd be interested in upgrading my current sbc hsr to your design. i'm gonna be looking for more performance over winter for next year, thats for sure
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Old Aug 16, 2008 | 10:32 PM
  #69  
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Originally Posted by GGPC
Update on the price. For the stage1, if we DO NOT make it an air gap and leave the material in between the runners, the price will be in the $600 range. The stage 2 wont be too far from that. We can make the air gap another option.

Would the air gap be worth the price? Have you dynoed before and after air gap?
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Old Aug 16, 2008 | 11:01 PM
  #70  
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Originally Posted by Bowtie Boy
Would the air gap be worth the price? Have you dynoed before and after air gap?
I guess it would be up to the individual whether it would be worth the extra $100. I dont think it would make much of a difference on a dyno but it does have its perks:

1) The intake would not run as hot. Thats would be due to the fact that the aluminum that fills the base and surrounds the runners acts like a sponge for heat. It would be beneficial for folks that like running those back, to back, to back runs. There is a good difference in plenum and runner temperature between the air gap and non-air gap we've noticed.

2) It reduces weight, close to 5lbs.

3) It looks better. We were thinking about using a high polished plate on the bottom. It would give it a mirror like reflection from the bottom looking up.

For those that dont normally race their cars, and just want some extra power, they could save $100.
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Old Aug 17, 2008 | 09:56 PM
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Did you ever answer if this will come complete with all the provisions for fuel lines (either new ones or ability to use the stock LT1 rails), throttle cable mount, and gasket kit?
Thanks
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Old Aug 18, 2008 | 12:57 PM
  #72  
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Originally Posted by GrnDragon
Did you ever answer if this will come complete with all the provisions for fuel lines (either new ones or ability to use the stock LT1 rails), throttle cable mount, and gasket kit?
Thanks
We can include all of that with the package. We think the stock fuel rails will fit.The pluming is the issue but we can make a kit for that . It will only need intake gaskets. The plenum is welded to the manifold so no gasket there. I'm not sure about the mount, we will know shortly though.
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Old Aug 18, 2008 | 02:30 PM
  #73  
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thats pretty clean. ready to c some #'s
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Old Aug 19, 2008 | 12:19 AM
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Yeah, hows everything coming along GGPC?
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Old Aug 19, 2008 | 04:58 PM
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I'll be watching this closely. I think one of these would compliment my maxed out F1A nicely
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Old Aug 29, 2008 | 08:16 AM
  #76  
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Any updates on this?
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Old Aug 29, 2008 | 11:50 AM
  #77  
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Very interested to hear if there is any new info...
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Old Sep 4, 2008 | 10:56 AM
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Any Updates????
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Old Sep 4, 2008 | 11:03 AM
  #79  
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Keeping a close eye myself
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Old Sep 4, 2008 | 11:42 AM
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Originally Posted by GGPC
I guess it would be up to the individual whether it would be worth the extra $100. I dont think it would make much of a difference on a dyno but it does have its perks:

1) The intake would not run as hot. Thats would be due to the fact that the aluminum that fills the base and surrounds the runners acts like a sponge for heat. It would be beneficial for folks that like running those back, to back, to back runs. There is a good difference in plenum and runner temperature between the air gap and non-air gap we've noticed.

2) It reduces weight, close to 5lbs.

3) It looks better. We were thinking about using a high polished plate on the bottom. It would give it a mirror like reflection from the bottom looking up.

For those that dont normally race their cars, and just want some extra power, they could save $100.
I'd honestly be more interested in having the water crossover machined off. Is this price including doing that? Is that a part of making the air gap design?
If these are 2 seperate operations what would the cost of them be individually and will you offer a package that both removes the water crossover and machines the air gap?

Sorry for the questions, just trying to educate myself. I'd love to see a pic of the HSR with the water crossover removed.
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