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305 to 350 TBI swap

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by Cavalry, Jul 31, 2001.

  1. Cavalry

    Cavalry 1/2 ton status

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    upstate NY(although I cant figure out why)
    I have a donor van (1987 c20 305 T400) for a TBI donor. I am running a GM 350HO in my K5. I have heard everything from getting a fuel pressure regulator to increase pressure, to different injectors, to custom burnt chips, to different computers to make it work. Anyone actually do one?


    "There is a fine line between hobby and mental illness"
    Luke
    84 K5
     
  2. Cavalry

    Cavalry 1/2 ton status

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    anyone?


    "There is a fine line between hobby and mental illness"
    Luke
    84 K5
     
  3. Chris Demartini

    Chris Demartini 1/2 ton status

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    <font color=blue>You may need a chip burnt and an adjustable regulator is a good thing. You should be able to use the computer and the injectors. If the injectors dont work get a pair off a caprice copcar, they are a few more lbs/hr.</font color=blue>
     
  4. 84_Chevy_K10

    84_Chevy_K10 Banned

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    Should be able to put it together and go. Computers are identical for all smallblocks.

    Tim
    '84 Chevy K10, lifted, loud, fast, and 3/4 ton axles
     
  5. Cavalry

    Cavalry 1/2 ton status

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    Location:
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    I realize with the 305 setup the engine will run but the PROM still thinks its a 305 even though its a mild 350. Can I put a PROM out of a 350 equipped car (simmilar year) with matching size injectors and have a better setup?

    "There is a fine line between hobby and mental illness"
    Luke
    84 K5
     

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