Original Message
It's a 750 CFM model 1850.
By Royce Peterson - 07/21/2002 8:21:07 AM; IP 152.163.201.194
This carb in it's original release of 0-3310-1 was original equipment on the 1966 Chevelle SS396. It became popular to install on all sorts of other cars when Edelbrock and Holley offered it as part of a package deal using Holley carb and Edelbrock intake in the late 60's and early 1970's. Millions have been sold.

Holley orginally rated it at 780 CFM but downrated advertised flow in the 1980's without changing the carburetor. They also eliminated the secondary metering block in favor of a metering plate about the same time.

Theses carbs need to be jetted down to work on a stock 428CJ, I have used 68 / 74 jetting with success. A 390 would need to go down a little further.

Royce Peterson
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 Holley Carb -- Brett, 07/21/2002
It's a 750 CFM model 1850. -- Royce Peterson, 07/21/2002
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