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Type: Posts; User: JCampbell

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    TBI-fed L31 Cam Recommendations

    Dropping a fresh L31 into my TBI-swapped 86 K20 next week. Just a stock 2-bolt reman from Jegs. Still sticking with TBI, but can't help but wonder if I would benefit from a small cam change before I...
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    WOW! What a difference! GIGANTIC thanks to Dave...

    WOW! What a difference! GIGANTIC thanks to Dave for setting me up with an awesome starter chip. For a 6000# rig with a worn out short block, this thing moves out! It's like a whole new truck!
    ...
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    Interesting. I'll shoot you a text with the...

    Interesting. I'll shoot you a text with the specifics.
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    Aftermarket 7.4l TBI Harness

    Looking to purchase a new, aftermarket harness for a TBI 7.4l. I've used Fuel Injection Connection twice before in the past, but they seem to be out of business now. Any recommendations on who to...
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    Reached out to Dave via email. Perhaps a basic...

    Reached out to Dave via email. Perhaps a basic starter chip would work for the time being.
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    They are the Summit "Vortec" clones (SUM-151124)....

    They are the Summit "Vortec" clones (SUM-151124). I'm running a Summit 226018 intake manifold and a Transdapt 2202 adapter.

    I had read about needing to adjust the tables to be able to get the...
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    Throttle Body Backfire

    Fresh TBI swap onto a internally stock, Vortec-headed 350.

    Truck runs great, pulls great, sounds great, except for a hesitation/TB back fire when going from idle to WOT. Also, sometimes from...
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    Yep. I'm using Bowtie Overdrive's TV Made EZ kit...

    Yep. I'm using Bowtie Overdrive's TV Made EZ kit for the TBI.

    14289
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    Think I got it figured out. I believe the IAC...

    Think I got it figured out. I believe the IAC was a little wonky. It was fully seated, not letting any air in to ignite the fuel. I held the throttle open 1/4 way and she lit off. I had to keep...
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    I'm using the stock/existing 12awg pink to...

    I'm using the stock/existing 12awg pink to provide 12v power the coil, which is the same wire that previously powered the HEI coil when the truck was carb'd. The other white lead on the grey...
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    Fresh TBI Swap - No Start

    Pulling my hair out here. Just finished a TBI swap in my 86 K20. ECM is wired to 12v constant, and 12v on key/crank. Engine will crank, injectors pulse, distributor sparks, but will not fire. ...
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    ECM/Harness Compatability

    Ran across a guy on FB that has a NIB harness from Fuel Injection Connection that he made me a pretty decent deal on.

    The only thing I can't remember is how relevant the ECM numbers are. When you...
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    I think I remember that about the factory VSS...

    I think I remember that about the factory VSS now. In fact, I think I have a cluster out of a 90 Suburban with the VSS module in it. My 86 does not have factory CC. I'll need to check to see if the...
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    TBI Conversion Refresher

    Gearing up to do a TBI conversion on my 86 K20 (350/700r4/NP208). Itís not my first time, but itís been a minute since Iíve done one and could use a little refresher on a couple of things.

    1....
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    I'm assuming they are the 60#/hr injectors. I...

    I'm assuming they are the 60#/hr injectors. I haven't pulled them yet to verify.

    Sub is an 88 K20.

    I appreciate the info.

    <a...
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    Recommended Fuel Pressure?

    New engine for my Suburban, trying to tie up some details.

    Fresh L31 Vortec longblock, internally stock. Fresh 5.7 injectors. Ultimate'd throttle body. Mercruiser TBI intake, Thorley tri y's w/ Y...
  17. Thread: New TBI Guy

    by JCampbell
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    New TBI Guy

    Hi there. Still messing around with those damn TBI systems. Hoping to find some nuggets of info here.
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