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Old 10-27-2008, 10:18 PM   #1
Jaked4e
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Default Increasing Boost on a vortech

i have a vortech v1 centrifugal supercharger and i want to know if i can make it produce more boost. it is the unit that can go up to ten lbs but it is only making 8 right now. how do i make it produce more??
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Old 10-27-2008, 11:12 PM   #2
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Pour oil on it to make it spin faster...

J/k... just get a different pulley, look on vortechs website and places like superchargers online and ebay. a 3.33 pulley will get about 10lbs... just depends on your setup
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Old 10-29-2008, 03:58 PM   #3
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I'm no expert on this since I just bought a S/C

But buy a "powerpipe"

They claim more boost and HP, plus the thing is so huge I could almost fit my leg in it.
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Old 10-29-2008, 04:30 PM   #4
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Theres a section in december issue of MMFF magazine where they took the 3V GT with forged internals, the 4V svt cobra and the 5.4L Gt 500 and topped them with a Kenne Bell with 20 psi of boost. In order to make that much boost they also had to swap crank pullies. I don't think You do but, I would have never know you had to do that. I thought it was just you had to swap the blower pulley.
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Old 10-29-2008, 05:06 PM   #5
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i had to do that in my GT too. you'd also need an 8 rib setup for that, but if you're gonna be like ~12psi, you won't need a new crank pulley
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Old 10-29-2008, 05:43 PM   #6
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They put a smaller crank pulley on them because if you put too small of a blower pulley on it all it will do is slip and the 8 rib setup will help too.
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Old 11-02-2008, 09:53 AM   #7
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If your just looking for 10 lbs then just go with a smaller pulley. The general rule is that you gain one lb for ever .1 smaller you go with the pulley. If you were making 8 lbs with a 3.4 pulley you can make 10 with a 3.2.
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