General Category > Quadrajet Carb Talk and Tips

cfm

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alabnett:
I have a 1969gto with a 7028273 carb.  How many cfm is this unit?

Cliff Ruggles:
That will be the smaller casting, typically dubbed 750cfm....

alabnett:
Cliff,
  Thanks for the reply. I bought my RamAir III GTO new and thought they told me it was only 650 cfm at that time.  I replaced the carb with an Edelbrock 650 and it doesn't seem to perform like the original.  Is it likely that you can rebuild my original Qjet?

alabnett:
Well now I'm really embarrassed. Rather than depend on the owners manual carb info I went to the barn and dug out my original.  It's a Quadrajet all right, but it's a Carter!  I can't see any numbers on it; any idea about cfm for this one?  And do you rebuild Carters?

Cliff Ruggles:
So you don't have the factory 7028273?

Carter never made any of the Pontiac Ram Air carburetors.  Can you post some pics of it?  Or send them to my email at:

cliffshp@embarqmail.com

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