LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

58mm Mono-Blade 1350 CFM

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Old Mar 1, 2010 | 03:51 PM
  #16  
Diplomat's Avatar
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Joined: Feb 2010
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From: Chicago
Originally Posted by GenIIJR
Very interested in this subject. Currenty have a stock 48mm w/air foil TB, 379rwhp, 390rwtq. (I know it's small potatoes in comparison) Owen Priest of A.R.D. (Advanced Racing Dynamics) in Houston, who tunned my car after full porting, cat delete and cam swap, has suggested the Mono blade, and he doesn't sell them so it's not like he is biased. I like the idea of it mostly because it is just "Bad Ar$$", but ego asside I do wonder if it is over kill, hurting TB intake velocity; he says "nope" and that low intake velocity is more a problem for carburated cars where air velocity is necessary for proper atomization of the fuel. Where fuel injection cars are not as dependent on the intake manifold velocity so much as it is more a function of the intake port velocity on the heads where velocity is imperitive (depending on your aplication). The intake having as large an opening as resonably possible will help stabilize the flow inside the intake manifold helping the cylider fill more efficiently. This subject has fasinated me for several months now so the following dicussion will be welcomed.
On paper it sounds like a well designed unit, LS1+ motors run 80-95mm throttle units on stock motors. I don't see how it would hurt the engine just the wallet. This is where I'm at now...If I'm only gaining 20-30hp on my setup which is well modified its not worth the money, but if someone on a stock motor gains 20-30hp and should see a two or maybe three time the hp increase and even 50hp increase for me would be worth the investment. Unfortunately the only way to find out is to buy it and tune the engine to it and see what it does.
Old Mar 1, 2010 | 05:47 PM
  #17  
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Joined: Apr 2005
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From: Denton/Rockwall, TX
Originally Posted by Diplomat
Yes sir, however I want to make 1000rwhp. Which means I have to squeeze a little bit more out of this block. Which is why I posted these threads, I have to buy a 58mm unit anyways so I'm trying to find out if anyone has this mono blade to see how it works.
According to your thread that got linked towards the beginning of this thread, you are already making "(383 LT1 w/F1 ProCharger) 1034hp and 1044tq @18psi (12psi left to play with)." So I am confused, you say you want 1000 hp, but you posted up last month that you are already making over 1000 hp. Did I miss something?
Old Mar 2, 2010 | 12:44 PM
  #18  
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From: Houston, TX
Diplomat, dude... you are running 2X atmosphere to your engine, you need more volume plain and simple. And making a GRAND of horspower you can't really look at peak HP as your determining factor, you don't run an engine at absolute peak for but split seconds on any given run and you should consider the operating range the engine spends most of it time in for actual results. At your HP levels overall system efficiency should be you consern not just the numbers at the end of a dyno run. I have a feeling you will see dramatic gains and I am not just talking about peak HP. Your supercharger will operate more efficiently also. Considering your investment already put into the car, throwing another $500 at it should be just a drop in the bucket.
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