Quadrajet Problem Solving > Quadrajet Parts and Numbers

Factory jets and rods

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Joey85:
I was woundering what the factory specs is for 2 quadrajets
Also which one would be beter to rebuild for modifid 350.
17057202
17057253
Thanks

Ethan1:

--- Quote from: Joey85 on May 04, 2015, 08:32:02 AM ---I was woundering what the factory specs is for 2 quadrajets
Also which one would be beter to rebuild for modifid 350.
17057202
17057253
Thanks

--- End quote ---

17057202- .077" Primary Jets, 52K Primary Metering Rods, "K" Secondary Hanger and CH Secondary Metering Rods.

17057253- .073" Primary Jets, 49K Primary Metering Rods, "K" Secondary Hanger and CV Secondary Metering Rods.

Either one sounds like a good candidate. Cliff would be best to answer. Just make sure you give the specs of your vehicle. Cam, engine, transmission, rear gears, etc.

Joey85:
Thank you Ethan1

Ethan1:

--- Quote from: Joey85 on May 05, 2015, 12:29:43 PM ---Thank you Ethan1

  8)
--- End quote ---

Cliff Ruggles:
Those carburetors are basically equal from a performance standpoint.  I'd probably use the Chevy carb or at least put a short fuel filter housing on the Old's carb if it were used.

The end result from each would be the same, and both will need recalibrated for a "modified" 350 cid engine.

I would recommend converting to E-choke, HP quick release pull-off, idle system set up for the engine parameters, one of our rebuild kits, correct PP spring, and tuning components.......Cliff

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