"77 carb help needed, please! - NCRS Discussion Boards

"77 carb help needed, please!

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  • Jeff Schuster

    "77 carb help needed, please!

    OK, a big thanks goes out to Bob for pointing me to the Rochester manual link in the previous post! Lightning fast and very helpful.

    Now after going through that, I think I have an odd problem. I have a stock 1977 carb (Carter QuadraJet 17057204). Upon disassembly I am seeing that the power piston appears to be missing! Where I believe it should be, there is a long spring. Between that spot and the bowl, there is a wierd adjustment screw that has a funky head so that you can't adjust it with a screwdriver - needle-nose pliers, perhaps. No main metering rods, either. Correct me if I am wrong, but wouldn't the absense of the main metering rods just let the engine flood itself out? Maybe I am mistaken in my thinking, and this is really the way the carter is set up? If not, are these components available individually without buying a parts carb?

    I am new to the QuadraJet, so any help that you can offer is going to be greatly appreciated... I am dying to hear the rumble of the V8 again!
    Thanks!
    Jeff
  • Clem Z.
    Expired
    • January 1, 2006
    • 9427

    #2
    Re: "77 carb help needed, please!

    17057204 should have #52 rods and #77 jets. some high performance olds Q jets used no metering rods.i think what you see is the lean stop adjustment screw. as far as i know you will have to buy a parts carb and make sure it is a "mod quad" with a 170------ part number because the pri metering rods are a different length that the older 70------ carbs

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