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Carb substitution on Thunderbolt 283

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  • Fuel System: Carb substitution on Thunderbolt 283

    I'm thinking it might be better to replace rather than rebuild the old Rochester 2-barrel. Has anyone found a good replacement for their GM powered V8 Stude?
    Thanks!

  • #2
    Actually, those 2GV Rochesters were not bad carburetors. Not terribly economical, but usually pretty consistent running.

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    • #3
      There was a Carter two-barrel made specifically to replace the Rochester 2GC, but good luck finding one.
      Gord Richmond, within Weasel range of the Alberta Badlands

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      • #4
        Originally posted by Studebakercenteroforegon View Post
        Actually, those 2GV Rochesters were not bad carburetors. Not terribly economical, but usually pretty consistent running.
        I agree. I have three of them on an Offenhauser manifold on a Ford FE. They work almost as well as the stock three Holleys, but don't look as cool. I say almost because they're smaller. They're almost as hard to find now too.
        sigpic

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        • #5
          Same as the Stude powerplant -
          https://www.edelbrock.com/avs2-500-c...quad-1903.html

          Four barrel manifolds are abundant.
          You didn't really say that you wanted to stay with a 2 barrel..!

          Mike

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          • #6
            Originally posted by Mike Van Veghten View Post
            Same as the Stude powerplant -
            https://www.edelbrock.com/avs2-500-c...quad-1903.html

            Four barrel manifolds are abundant.
            You didn't really say that you wanted to stay with a 2 barrel..!

            Mike
            That's true, you're talking about a small block chevy here, the sky is the limit, and parts are cheap too. You might look at a TBI unit, they were factory on the SBC for decades, and stand alone controlers are available.
            sigpic

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            • #7
              Edelbrock Performer EPS intake manifold and an Edelbrock 500 cfm carburetor. That will help a lot and not break the bank. The EPS intake is optimized for square-bore carbs though it is slightly more expensive than the standard Performer intake.
              Poet...Mystic...Soldier of Fortune. As always...self-absorbed, adversarial, cocky and in general a malcontent.

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              • #8
                Many thanks, Guys!

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