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Holley 750 CFM Supercharger Four Barrel Carburetor

Price:$799.99
0-80576S - 750 CFM Supercharger Four Barrel Carburetor
Price:
$799.99
EA
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Item #:
425080576S
 
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These carburetors that are intended for use with superchargers, and have a unique capability that allows their power valves to reference the intake manifold vacuum below the supercharger. This allows the power valve to operate as it should, based off intake manifold vacuum. A power valve provides further enrichment to the main metering system under load (low vacuum) conditions. Without this external referencing, the power valve would be "reading" the supercharger boost pressure, which has no bearing on the engine load.

425-080576S Instructions (PDF)

Install Note (PDF)

 

  • Model 4150HP design
  • Designed for use on the Weiand 6-71 & 8-71 superchargers
  • Four-corner idle system
  • Replaceable air bleeds
  • Dual 30cc accelerator pumps
  • Shiny Finish
  • Mechanical secondary
  • Boost referenced power valve
  • Throttle lever cut off for clearance on a sideways application
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Will this carburetor work without a supercharger? What type of manifold would be used if used without a supercharger?

Asked on 8/11/2011 12:58:30 PM by Don from Willis, Tx.

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Q:

Will this carburetor work without a supercharger? What type of manifold would be used if used without a supercharger?

Asked on 8/11/2011 12:58:47 PM by Don from Willis, Tx.

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