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1948 - 1956 F1, F100 & Larger F-Series Trucks Discuss the Fat Fendered and Classic Ford Trucks

Carb. Help needed

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Old Apr 28, 2010 | 04:02 AM
  #1  
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big job
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Carb. Help needed

I have come across a 4V square bowl Holley that I took off a running
FE. It performs perfectly. Electric choke no secondary metering block
style, problem is there are no idle screws. How are you suppose to
adjust the idle. I cannot find any listing on this one. Been to the Holley
site, I have many Holley books with all the List Nos. No Luck. I want to
put it on my 53 F900 instead of rebuilding because I can't lay up the
truck waiting for carb kits. So anyone know what model this is??
sam
 
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Old Apr 28, 2010 | 07:32 AM
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Could it be one of the "emissions" carburetors from the mid 70s? I have seen some of those with fixed idle circuits. Sometimes an earlier metering block can be used to get the idle screws.
 
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Old Apr 28, 2010 | 09:28 AM
  #3  
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Originally Posted by big job
I have come across a 4V square bowl Holley that I took off a running FE.
1974/76 F100/350's with the optional 390 4V. The same basic Holley carb was also used on 1973/79 F100/350's with the 460, ditto 1975/79 Econolines.
 
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