General Category > Quadrajet Carb Talk and Tips

#17057232 '77 Caddy

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rich ullsmith:
This is interesting.  In the cavity where a plastic cup usually resides (think 75-76 APT models), there is a copper bellows???( I'm guessing,) with a metering rod on the bottom that goes into a jet. Also, next to a primary jet there is another jet. What is their purpose? This carb is going on a 2000 Vortec 350. Nothing special, just a 5000lb. truck.   2.73
rear, 4900 lbs., old man driving. Anyone guess what the MPG potential is?   

Ethan1:

--- Quote from: rich ullsmith on January 09, 2014, 03:06:57 PM ---This is interesting.  In the cavity where a plastic cup usually resides (think 75-76 APT models), there is a copper bellows???( I'm guessing,) with a metering rod on the bottom that goes into a jet. Also, next to a primary jet there is another jet. What is their purpose? This carb is going on a 2000 Vortec 350. Nothing special, just a 5000lb. truck.   2.73
rear, 4900 lbs., old man driving. Anyone guess what the MPG potential is?   

--- End quote ---

 Have a photo?

rich ullsmith:
I'd love to, but the site says the file is too large. 1 pic.  Any ideas?

Ethan1:

--- Quote from: rich ullsmith on January 11, 2014, 07:36:12 AM ---I'd love to, but the site says the file is too large. 1 pic.  Any ideas?

--- End quote ---

 Can you send me an e-mail of the photo? I will resize it for you.

 etrowb@msn.com

Ethan1:
 Here you go:

 

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