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altair
06-26-2016, 01:19 AM
I was disassembling my AFB, this particular model is from an early Buick but it is a bolt on to the 259 and I noticed the primary and secondary main jets have the same threads (5/16-24). It would be very easy to swap the jets if not carefull FWIW

DEEPNHOCK
06-26-2016, 06:19 AM
You bring up a good point.
If you ever download the Edelbrock AFB tune up manual/users giude, they have a few pages at the back for notes.
I have a book of my own, but that notes page has always ended up with scribbling about what jet/rod/spring numbers came out of where.
That is what is so nice about a WCFB and AFB.... Adjustability to maximize performance on your particular combination.

SScopelli
06-26-2016, 09:41 PM
Here is a PDF which I see as a very definitive book on AFB rebuild and service. From 1964!

It has Jet and metering rod sizes, plus a additional repair to the R2 Avanti carburetor.

It includes the AFB numbers and specifications for each of the specific Studebaker application..

A Virtual Gold Mine

Also has the WCFB specs in it as well..

Download a copy from my google drive.

https://drive.google.com/file/d/0B_wGFoUR75qTYlpRcHJtbUxEQkk/view?usp=sharing