Quadrajet Problem Solving > Quadrajet Parts and Numbers

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77cruiser:
Specs for another Ebay carb. Thanks, in advance. Don't really know why I bought but it looked pretty clean in the pics, missing some linkage is all.

429bbf:
jim i like them carbs , i don't remember the specs ethan probably has them , the ones i had came off 1 ton big block 454  chevy cab and chassis. they had an extra hole in the base plate that went up into the  back side if the secondaries. i talked to cliff and he said it was ok to plug , so i tapped the base plate and bearing mounted a 5/16 i believe  allen head in it .turned out very nice i installed them back on same engine , cleaned up all the smog crap and they made great power and good milage. fwiw

Ethan1:

--- Quote from: 77cruiser on January 11, 2017, 07:08:42 PM ---Specs for another Ebay carb. Thanks, in advance. Don't really know why I bought but it looked pretty clean in the pics, missing some linkage is all.

--- End quote ---

 You have to remember, after 1980 they didn't put the numbers in the books for specific metering rods and jets. Just a metering rod and jet kit. But, I found some online info that shows:

 .075" Jets
 58S Primary Metering Rods
 EF Secondary Metering Rods
 

77cruiser:
I forgot you had said that. I searched on the 58 s rods & saw that Cliff had done one about 4 years ago.
Thanks for your knowledge Ethan.

carmantx:
My notes show it to be a single main, 800 cfm hot air choke Quadrajet.
I pulled 76 jets and 50S rods in one. And DA secondary rods.  Not sure if these were original.

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