Carb identification
Instructor
Joined: Aug 2014
Posts: 103
Likes: 5
From: Barnstble Mass.
Instructor
Joined: Aug 2014
Posts: 103
Likes: 5
From: Barnstble Mass.
Melting Slicks
Joined: May 2006
Posts: 3,438
Likes: 41
From: Raleigh NC
St. Jude Donor '13-'14
I would surmise it is a service replacement by the fact that the format of the date code is a julian date instead of a year/month/week format that is typical of the early '70s Holleys.
Safety Car
Joined: Sep 2007
Posts: 4,458
Likes: 331
From: Indy Indiana
according to the corvette black book, that is a corvette LT1 1970 4-speed holley carb.. not sure it is also a camaro z/28 LT1 carb as I don't have that reference material. I would logically guess that might be true too.
I show it as a 780 CFM vacuum secondary
new carbs are available with some of these numbers that are not 1970 built carbs so do your homework on what all the other stampings may mean.
I show it as a 780 CFM vacuum secondary
new carbs are available with some of these numbers that are not 1970 built carbs so do your homework on what all the other stampings may mean.
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Burning Brakes
Joined: Dec 2006
Posts: 979
Likes: 254
From: Bethlehem, PA
Lemans Pete is correct. It's a 1970 LT1 service replacement. As he states, originals had 3 date characters; year, month and week. One of your other numbers, 6333, is a metering block. On the original, the other one would be 4519.