How to identify my Rochester carb? '84 GMC, 305

[FreeTruck]

It appears I may have a proper factory carb judging my the numbers on the carb's body (17084226, 2073 HCD), but I'm unable to identify which carb kit I would need to rebuild. The several sites I've been too list M4M and other M4 variations but not HCD. Is there anything about the HCD that makes it unique I need to worry about, regarding parts availability?

Normally I wouldn't ask such a question but it also has a sticker from a rebuilder stating it was rebuilt in 2017.

 

[fast 99]

from Q jet power most kits cover many part numbers

remember to check the pulloffs for vacuum leak.

Pardon Our Interruption...

 

[Sad Sack]

What he said^^^^^^^^^^^^^^^^^^^^^^

U can always reach out for questions:

https://cliffshighperformance.com/simplemachinesforum/index.php?PHPSESSID=0ccb6daa3902e6f007050b3fdddbb99d&

About Us

About the Carburetor Doctor, a familiy owned and operated company providing premium carburetor parts for American carburetors

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[HotWheelsBurban]

What he said^^^^^^^^^^^^^^^^^^^^^^

U can always reach out for questions:

https://cliffshighperformance.com/simplemachinesforum/index.php?PHPSESSID=0ccb6daa3902e6f007050b3fdddbb99d&

About Us

About the Carburetor Doctor, a familiy owned and operated company providing premium carburetor parts for American carburetors

carbkitsource.com

Back in the day, we looked up Hygrade or Delco carb kits by the body number (in this case, 1708----). Many times, kits would fit multiple carb #s. So there may be parts in the kit that your specific carb might not use.

 

[75gmck25]

AFAIK, the HCD code is meaningless for referencing a carb kit. The carb number (17084226) is what counts.

 

[FreeTruck]

Awesome info, thanks for the responses everyone. I will check that kit out.

 

[texasmike]

I have an all original '84 C10 with the 305 (LE9) engine and the carb number is the same as yours.