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Stick with TBI, or go to TPI

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by KrebsATM02, Jan 16, 2001.

  1. KrebsATM02

    KrebsATM02 1/2 ton status

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    Hey guys, i need some good advice. My engine is getting tired and hopefully it makes it to the summer. I have TBI right now, but was really looking into doing TPI, and then i talked to this guy on the trail and said that it wouldn't do much for a truck even if i did change out the cam. So all you guys out there with TPI, i would like to know your opinions on the advantages of one over the other and Horsepower and torque compare. I know this is asking a lot. So thanks for the help. - Doug

    Doug Krebs
     
  2. KrebsATM02

    KrebsATM02 1/2 ton status

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    come on people help me out here. Please!!!!

    Doug Krebs
     
  3. HarryH3

    HarryH3 1 ton status Author

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    Location:
    Georgetown, TX
    I've got TPI sitting on a 383 stroker. While the coolness factor rates way up there, it's a real PITA to work on. Those runners are in the way of everything. You already have the advantages of fuel injection. Going with TPI won't gain you a whole lot but purchasing it will sure drain the ol' bank account. [​IMG]

    <font color=black>HarryH3 - '75 K5</font color=black>
    <A target="_blank" HREF=http://ThunderTruck.ColoradoK5.com>http://ThunderTruck.ColoradoK5.com</A>
     
  4. realsquash

    realsquash 1/2 ton status

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    Stick with your tbi. If you go to a larger/hotter engine combo, the TPI will quickly run out of flow.

    Squash
    <A target="_blank" HREF=http://www.trailrunners4x4.org/users/realsquash>http://www.trailrunners4x4.org/users/realsquash</A>
     

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