C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Air Pump Modification

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Old Nov 16, 2003 | 05:57 PM
  #1  
vettmike's Avatar
vettmike
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Burning Brakes
 
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From: Anderson South Carolina
Default Air Pump Modification

Due to a recent clarification by NCCC, Group II cars can remove the Air Pump, however, it cannot be replaced by a eliminator kit similar to the one that is currently being sold by several vendors. The pump can be eliminated, and you can run a shorter belt, which by the way is not possible due to the configuration of the other engine pullies. This is just another dumb discision by the NCCC RCD's.

So I need to know if anyone has "Gutted" the air pump, the car is a '89, if anyone know the procedure on how to gut the pump and still retain the function of the pully please let me know.


Vettmike

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Old Nov 16, 2003 | 08:37 PM
  #2  
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rodj
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From: Australia
Default Re: Air Pump Modification (vettmike)

On my '87 I just opened it up and broke out all the vanes inside.Blow it clean and bolt it back on.You don't touch the bearings so it still rotates alright , it just doesn't pump.
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Old Nov 17, 2003 | 10:27 AM
  #3  
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shotchkiss
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From: Frostburg MD
Default Re: Air Pump Modification (rodj)

Just break the vanes off and pull out the little arms inside the drum that held them on, here's a pic before I did anything showinging what I'm talking about, if the link works. http://www.boomspeed.com/steveh/DSCF01761.JPG
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