735 cfm, 5719 primary metering block, 5661 secondary metering

[lwg8tr0514]

Need for my 68 GT 500 428PI

[azdriver]

Everything I have seen lists the C8ZX carburetor as 760 cfm 🤷�♂️

Pat

[lwg8tr0514]

Everything I have seen lists the C8ZX carburetor as 760 cfm 🤷�♂️

Pat

Its the right carb...C8ZX-9510-A .... list 4129... date coded 8B4... 735 Holley for 428 PI

[Drew Pojedinec]

Everything I have seen lists the C8ZX carburetor as 760 cfm 🤷�♂️
Pat

Yes but what you read is incorrect.

[azdriver]

Seems to be the case more often than not..

Pat

[Drew Pojedinec]

Seems to be the case more often than not..

Pat

Is a funny thing.
700-735-760 etc
They are all for the most part the same carb.
Same venturi size, same boosters, same throttle bore, same throttle shafts, etc

CJ carb only vary slightly one to another.
4129 is a little more odd, and in the 1970s there is some variation.
Different methods for the same end goal