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chevy TBI'S

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  • #16
    Originally posted by dieselgeek View Post
    why not just use cheap carbs as TBs instead of the pricey TBI units?
    junkyard tbi's here is 25-75 depending on how much other crap you buy, I have q-jets that I could use just need to rig a tps

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    • #17
      800+ CFM of cheap throttle body capacity!

      Escaped on a technicality.

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      • #18
        Originally posted by TheSilverBuick View Post
        800+ CFM of cheap throttle body capacity!

        what you using for a tps

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        • #19
          I haven't mounted one yet on it, but I have a junkyard one from a TBI that has a lever arm on it. Or I may get one of the electronic Q-jet's from E-bay for cheap that has a TPS built in.
          Escaped on a technicality.

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          • #20
            didn't even think of that, I have a electronic controlled (ccc)q- jet

            knew saving that engine would come in handy

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            • #21
              IIRC .... '90ish GM trucks had a string pot style TPS .... looking for part example/number now
              Whiskey for my men ... and beer for their horses!

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              • #22
                This one:



                86-90 GM truck .... 350
                Whiskey for my men ... and beer for their horses!

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                • #23
                  Originally posted by Bamfster View Post
                  This one:



                  86-90 GM truck .... 350
                  iirc 86-90 truck was ccc carb so that should be like whats on the ccc q-jets

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                  • #24
                    can you get like 4 or 6 of them on 1 intake ?

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                    • #25
                      I've seen GM TBIs mounted side-draft like a jury rigged Weber before. Could probably be bodged onto a cross ram intake with enough fabrication.

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                      • #26
                        I'm fairly confident that with enough planning, a guy could get 4 TBI throttle bodies mounted on a tunnel ram ....
                        Whiskey for my men ... and beer for their horses!

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                        • #27
                          Originally posted by NewEnglandRaceFan View Post
                          iirc 86-90 truck was ccc carb so that should be like whats on the ccc q-jets
                          the 305 4bbl in 86 was replaced by a 350 tbi in 87. Olds had the last of the GM carbs I believe.
                          Flying south, with a flock of bird dogs.

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                          • #28
                            had carbs on sbc until 1991 in camaro and caprice
                            all the square cop cars had carbs until the orca body style of 1991
                            trucks went all tbi in 1987 ..including the 7.4 which had a q jet intake with an adapter plate in 87

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