Source for decoding serial numbers??

[oktorque]

If the seventh digit in a 1705 type QJ tells us what division of GM used the Carburetor, how do we know what engine that particular QJ was used on. 

Is there a source for pin pointing or matching carb # to specific engine size? 

Thanks

[Ethan1]

 Any of the BIG AC Delco manuals, will give you that information.

[Ethan1]

 Like, this one....

 http://www.ebay.com/itm/PARTS-SERVICE-MANUAL-CARBURETOR-AC-DELCO-9-GM-GENERAL-MOTORS-/291089836875?pt=Motors_Manuals_Literature&hash=item43c64e6b4b&vxp=mtr

[77cruiser]

You must have.

[oktorque]

Thanks guys. k