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How to tune EFI for hotter cam?

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by Cavalry, Jan 23, 2001.

  1. Cavalry

    Cavalry 1/2 ton status

    Joined:
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    Location:
    upstate NY(although I cant figure out why)
    I want to put a throttle body on my 350HO. I want to go with off the shelf GM parts, and little to no aftermarket. There are no chip burners in my area which makes it more difficult, but I have all the GM dyno sheets. Any perferance on a year of FI? Can I mail order a custom chip? from who? What other FI mods can I plan on making to get peak numbers?

    Luke
    84 K5
    [​IMG]
     
  2. BurbinOR

    BurbinOR 3/4 ton status

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    Feb 17, 2000
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    Location:
    Oregon
    Try these TPI/EFI guys -

    http://www.tpis.com
    http://www.turbocity.com

    Plenty of choices for you out there............

    <font color=orange>'79 - 406 TPI -<font color=orange> K5#5 - <font color=blue>See it at---&gt;<A target="_blank" HREF=http://www.blazzinor.coloradok5.com>http://www.blazzinor.coloradok5.com</A>
     
  3. realsquash

    realsquash 1/2 ton status

    Joined:
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    Location:
    SE WI
    You can mail-order a chip from howell-efi.com that will be pretty close. How hot is your motor? You can learn-N-burn, which is what you will have to do so your engine will be all it can be. If you want to learnNburn, shoot me an e-mail and i'll help you get started and provide you with enough information to make you puke. I would try to run a 94/95 truck ECM with the throttle body because that ECM is MUCH better to work with.

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

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