Holley carb

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Old Apr 17, 2015 | 08:51 AM
  #1  
smash72's Avatar
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Smash
 
Joined: Mar 2014
Posts: 539
From: Philly Burbs
Holley carb

Can anyone identify this Holley carb. Pulled off my 455 & won't be using it on my future driver. Tried searching the many numbers I believe it is a 800cfm Best number stamped near the jets L47802 also what's it worth ? Thx
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Old Apr 17, 2015 | 09:06 AM
  #2  
oldcutlass's Avatar
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From: Poteau, Ok
Looks like a Holley 4150 Street HP double pumper.
Old Apr 17, 2015 | 01:37 PM
  #3  
Marx3's Avatar
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4780-2 can be found among Holley's list- numbers...
Old Apr 19, 2015 | 04:03 PM
  #4  
yankees's Avatar
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4780-2 800cfm Should be 1 11/16 diameter butterfly, with a 1 3/8 pirmary and 1 7/16 secondary venturi size

Primary main jets 70, Secondary main jets 85, Primary p.v. 6.5, Primary Nozzle 31, Secondary Nozzle 31
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