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New product PSI Blowers

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Old 03-24-2004, 11:46 AM
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Default New product PSI Blowers

Anybody hear about this new blowers on the market? I hear they're the best thing out there as far as blowers are concerned.


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Old 03-24-2004, 12:22 PM
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Nothing new there. They have been around since the late 80's or early 90's. They got a lot of great press when they first came out. Looked real promising too. Then NHRA banned them due to some dramatic blower explosions. I don't know much else about them.
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Old 03-24-2004, 01:53 PM
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Cords right, Sterling now thinks they're ready and has started to use them ( they were used on the record breaking OL ) They have much less parasitic drag but by design have to be dramatically overdriven therefor the durability and belt issues come into play. All of the BIG hp Sterlings ( 1200hp+) use them. Ya gota love Fiore he's putting them to the test I gave them a look but the damn things are HUGE especially in width.
 
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Old 03-24-2004, 02:02 PM
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Why do they have to be overdriven? Do the have that much leakage? Wouldn't That create more heat?
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Old 03-24-2004, 02:26 PM
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PSI - (Screw Type blowers) produce less heat. Most case an intercooler isn't needed.
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Old 03-24-2004, 02:33 PM
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They are a screw type blower kinda sorta like the Whipple. Guess the drive ratio just has to do with the blower design.
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Old 03-24-2004, 03:10 PM
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oh oh you lokking for your nor-tech!!!!!
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Old 03-24-2004, 03:50 PM
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You are right about the size, they look like a SBC bolted on top of the BBC.
I have 2 motors equipped with them in my 1984 38 Cigarette and love them. With a pr. of the new HP1000+ Holley's on ea. and a very mild solid roller cam @ 7.5:1 compression ratio, I was able to make 1105 hp. @ 6200rpm and 1060 lb/ft of torque @4500, and all on pump gas.
They will idle @ 500-600 rpm, in gear and I have not had one bit of trouble with them in the 3 years that I have used them.
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Old 03-24-2004, 04:19 PM
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RPMRam- thats some pretty impresive #'s, got any pics?
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Old 03-24-2004, 04:23 PM
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I think Dave Wesseldyke used them on some motors in the past "Jaws" was one I think....
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