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Topic Review (Newest First)
01-12-2013 12:03 AM
Originally Posted by i heart square bodys View Post
So they are 600 cfm ? how do u know if they have governers? and if they do are they worthless for a hotrod ?
Can you post a picture of them? Actually they can be used with some upgrades they use the same rebuild kits as the 1850-1 Holley as stated above by tech inspector you will have to measure the throttle bores to determine CFM for sure but they probably are 600 CFM.
01-11-2013 07:50 PM
i heart square bodys So they are 600 cfm ? how do u know if they have governers? and if they do are they worthless for a hotrod ?
01-11-2013 03:43 PM
JeffB They cross over to Ford part# C9HZ-9510 E this application was used on Ford HD trucks with a 534 engine from 1961-69 some of those old Holleys had a governor they are a 4150 series.
01-11-2013 03:27 PM
techinspector1 You can get a pretty good idea by flipping the carb over and measuring the primary and secondary throttle bores at the bottom of the carb.
Here's a chart showing CFM in the 3rd column, primary throttle bore size in the 8th column and secondary throttle bore size in the 9th column.....
Holley Information Table1 2 - Holdenpaedia
01-11-2013 03:10 PM
i heart square bodys
Holley Problems

i just got two holley carbs given to me by my grandfather and have no idea what they are CFM wise. the numbers on them are :

list 2156-1

list 2156-1

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