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

Video of roots blower setup on F-Body

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Old Jul 22, 2006 | 11:06 AM
  #21  
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No it's not intercooled that would be pretty much impossible with the room we are working with under the hood. Don't know how much boost yet either as I can't get on it but these blowers are safely capable of 10-12 lbs on a 350.
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Old Jul 22, 2006 | 11:13 AM
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couldn't you get a procharger intercooler or something in their?
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Old Jul 22, 2006 | 11:23 AM
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A roots and centrifugal are two different animals.
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Old Jul 22, 2006 | 12:19 PM
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But couldn't you intercool the the air comming from the intake, or would that not work?
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Old Jul 22, 2006 | 12:46 PM
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If you mean before the blower yes you could but you would need some kind of "cool can" out in front of it to "ice" the air down below ambient temps otherwise it would be useless and I'm not sure even that would benefit much. On a centrifugal you are cooling the air after it goes thru the blower and is heated up. It's much easier on those because it's not mounted on top of the intake.
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Old Jul 23, 2006 | 02:25 PM
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I'd like to see some numbers on this. When you flatten the ductwork like that it seriously kills the airflow. I'm thinking it might be bad enough to totally negate the advantages of the roots-style setup. Did you do any flow testing on the duct outside the car?
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Old Jul 23, 2006 | 04:33 PM
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Before you naysayers start can I at least get it on a dyno first?
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Old Jul 23, 2006 | 05:13 PM
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Very nice looking work dude.
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Old Jul 23, 2006 | 08:49 PM
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03/04 Cobras can bite your *** now.
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Old Jul 23, 2006 | 09:21 PM
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Originally Posted by NXSLT1
Before you naysayers start can I at least get it on a dyno first?
I hope you're not referring to my comments. I think it's great what you've done. But there's reasons that people haven't done this before--one of which I pointed out. (Hey, that's what engineers do!) I hope this setup rocks because I think roots is the ideal setup for an LT1.
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Old Jul 23, 2006 | 09:50 PM
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I'm not gonna argue with you but I will say if the motor is making boost then there is no restriction, can't make boost unless the air can get in the intake. Also, talk to I think it was Alvin at pcmforless, he had an eaton m112 on his with one of these "flattened" intakes and made somewhere around 400 at the rear wheels. Also, I believe MPE has a kit for LT1 Impalas and I've seen pics of their first ones and they also have a "flattened" intake and it doesn't seem to affect anything. Will it flow enough to make HUGE HP numbers? Maybe, maybe not. Will it flow enough for a good street engine? I'm purty sure. It might not be quite as efficient as far as flow goes but it has more volume inside it than the 3.5" tubing in front of the TB. By the way, I'm no engineer by any stretch. Started to do the college thing once but you know how that goes...........
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Old Jul 23, 2006 | 09:55 PM
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super sweeeet setup man. i remember that intake you were tellin me about it turned out sweet! good luck with everything
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Old Jul 23, 2006 | 10:04 PM
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Congrats on getting yours going..

Prepare dto be bombarded by questions for the rest of your internet life! I had to pull pictures and post down because I had to many people asking questions about things that where already outlined in post. Or they would ask for instructions not realising it was custom setup from the ground up.
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Old Jul 23, 2006 | 10:07 PM
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Questions don't bother me, not yet anyway. lol I do have a question or two for you though I'll send a PM.
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Old Jul 23, 2006 | 11:03 PM
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You need a better video camera.

ANd YEs MPE is the maker of the kit to install an M112 onto an Impala. Wont work for you F-body guys due to cowl clearances and so far. IIRC MPE is in dealings with magnacharger to produce a more readily off the shelf kit to be used on hot rods and stuff. Not sure if that's true or not, but the kit Keith makes is nice and of top quality..



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Old Jul 23, 2006 | 11:26 PM
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Yeah I know, the video is pretty crappy, I'll get better vid when I get it running right.

And yes that is a very nice looking setup.
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Old Jul 24, 2006 | 08:15 PM
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If you want to pick up some free power, you'll need to add 2-3 thin dividers inside the duct spaced about 1 to 1.5 inches apart. This will clean up the airflow a ton and will get you up around the same level as Buffman's.

You don't need to be an engineer to see some examples of why this is important. There's a reason racers like to have long intake runners. Wide flat intakes induce a lot of turbulence. The dividers would minimize that. I hope that helps. (It's gonna work--just a question of how well it COULD work.) I wish I had the fab skills to do something like this.
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Old Jul 24, 2006 | 08:33 PM
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Good work! Any pics?
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Old Jul 24, 2006 | 11:43 PM
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[QUOTE=LTSpeed]If you want to pick up some free power, you'll need to add 2-3 thin dividers inside the duct spaced about 1 to 1.5 inches apart. This will clean up the airflow a ton and will get you up around the same level as Buffman's.

[\QUOTE]


that's not my car but I do wish it was
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Old Jul 25, 2006 | 01:49 AM
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Originally Posted by buffman
How close is it fitting the F-body without the top on it?
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