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1991 5.7L Bored TBI Upgrade Write-up (warning LOTS of pics!)

Discussion in 'The Injection Section' started by pma4x4, Oct 7, 2012.

  1. pma4x4

    pma4x4 1/2 ton status

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    Sorry about that guys. We are moving stuff around on our server. The pictures will be back up by this weekend.
     
  2. Smokinthehippies

    Smokinthehippies 3/4 ton status Premium Member GMOTM Winner

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    waiting on the pics to come back as i might be coming into a tbi soon
     
  3. pma4x4

    pma4x4 1/2 ton status

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    I may have to have a moderator blow out and delete the thread and I may have to re do it. I have one more thing I am trying to fix. What happened was the .jpg extension disappeared from the HTML.
     
  4. pma4x4

    pma4x4 1/2 ton status

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    All the pictures are back up. Sorry about that guys!:rolleyes:
     
  5. eagle mark

    eagle mark 1/2 ton status

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    Nice! :waytogo:

    Would like to have it as a sticky in Injection Section if OK by you?
     
  6. pma4x4

    pma4x4 1/2 ton status

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    Sure! Have at it!:woot::woot::woot:
     
  7. Heavyleft

    Heavyleft 1/2 ton status Premium Member GMOTM Winner

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    This thread is making it hard not to call tomorrow and make my order....lol. Been thinking about doing this for some time now. Nice to hear someones take on the whole set up.

    Nice write up.
     
  8. Heavyleft

    Heavyleft 1/2 ton status Premium Member GMOTM Winner

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    BTW, how long did it take your order to get to you from the time of order?
     
  9. pma4x4

    pma4x4 1/2 ton status

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    3 days.
     
  10. Heavyleft

    Heavyleft 1/2 ton status Premium Member GMOTM Winner

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    I took the plunge and ordered everything up today. Reading your results and opinion help finalize my decision.....thanks, spending more money....lol. Definitely will be using this write up as reference.
     
  11. pma4x4

    pma4x4 1/2 ton status

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    I hope it turns out great for ya. I read on here another guy did same thing and was not impressed. but I have no idea what his full specs and deal was.
     
  12. eagle mark

    eagle mark 1/2 ton status

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    Like any upgrade to a TBI motor, to find all it's worth, along with all that was left out of stock chip... you need one tuned for engine and changes.
    :waytogo:
     
  13. pma4x4

    pma4x4 1/2 ton status

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    Yeah see mine turned out great with noticeable differences. right now I am up int he air of doing any more massive money upgrades and just saving for the 6BT swap.
     
  14. pma4x4

    pma4x4 1/2 ton status

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    UPDATE

    I cant seem to get the TV cable for the tranny adjusted correctly since the upgrade. When I did the spacer I did add the spacers to lift the cable bracket as well. I think part of it mayeb the way the bracket is and the way you space it may not reposition where it needs to go due to that the two spacers are at to angles.

    After doing a bit of a drive I could smell tranny fluid. I headed back home and found a few things the tranny fluid is beginning to get that over used smell and it was a bit dark in color, also the tranyy was shifting odd.


    Next weekend I am going to remove the TBI spacer and put the bracket back to stock and go from there. I am also flushing the fluid and changing the filter.
     
  15. Heavyleft

    Heavyleft 1/2 ton status Premium Member GMOTM Winner

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    My current setup already has a TB spacer so I'm hoping it will hook up the same with the RV Morse set up. I can take a picture later if want to compare it to yours?
     
  16. pma4x4

    pma4x4 1/2 ton status

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    Sure post up a pick. more importantly for the photo is the cable bracketry and spacers for the bracket and how the bracket sits overall in relation tot he TBI.
     
  17. shady

    shady 3/4 ton status Premium Member

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    this is how I did mine. sorry, pics suck. I cut at the blue line and added a 1" square piece of steel to the bracket. I welded it in place in the truck so pay no attention to the ugly welds:whistle:

    DSC02393.JPG

    DSC02398.JPG

    DSC02399.JPG
     
  18. eagle mark

    eagle mark 1/2 ton status

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    Is that anywhere near the yellow line? :haha:

    OK back to serious... so yours went straght up?

    The spacers pma4x4 used raised it on an angle?

    My geometry is not that good but I would think straight up same hieght as spacer would keep it accurate? Geometry seems to be very important in this PDF for adjsuting...
     

    Attached Files:

  19. shady

    shady 3/4 ton status Premium Member

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    yeah its on the yellow line:haha: and yes it came straight up. I checked the cable and it was perfect as was but I reset it because everyone said to:dunno: Its in the same place it was:D
     
  20. Heavyleft

    Heavyleft 1/2 ton status Premium Member GMOTM Winner

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    Here is how mine looks. Sorry it took so long to het this up.

    uploadfromtaptalk1352322798636.jpg

    uploadfromtaptalk1352322798636.jpg
     

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