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MAG boost per pulley chart!!!!

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Old Sep 13, 2004 | 04:59 PM
  #1  
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From: Tattood up and broke as F**K nc
Default MAG boost per pulley chart!!!!

3.0----8.5-9lbs of boost
3.1----7.5-8lbs of boost
3.2----6.5-7lbs of boost
3.3----6-6.5lbs of boost
3.4----5.5-6lbs of boost
3.5----5lbs of boost
This is just a rule of thumb. Other factors such as headers, size of headers, cam, size of cam, cats, no cats, will all change the boost accordingly.
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Old Sep 13, 2004 | 08:27 PM
  #2  
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I can add that a call to Magnuson has me installing a 3.2 pulley over a 3.4 pulley to make up for the 5280 altitude up here in Denver.
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Old Sep 13, 2004 | 09:53 PM
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what's the max speed you can spin ?
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Old Sep 14, 2004 | 01:36 AM
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A lot of GTP/Regal guys run less than 3.0" pullies with a 6.9" crank without problems. IIRC, Magnuson says you can spin thier blowers to 15K.
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Old Sep 15, 2004 | 12:45 PM
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Default 3.1 Pulley

I have a 3.1 pulley on my intercooled mag, and I get 6.75 lbs. of boost but I have LGM Headers with no cats and a 21CMC cam. What's up Robby!!
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Old Sep 15, 2004 | 02:10 PM
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From: Tattood up and broke as F**K nc
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Originally Posted by Z 8 VENOM
I have a 3.1 pulley on my intercooled mag, and I get 6.75 lbs. of boost but I have LGM Headers with no cats and a 21CMC cam. What's up Robby!!
whats up Brady!! The cam and no cats will do that!
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