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  1. If you have the scanner and editor open, make...

    If you have the scanner and editor open, make sure your disconnected in the scanner.
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    Resolved my problem. I have a unique situation...

    Resolved my problem. I have a unique situation where I'm trying to retain the operation of all the factory systems in the trailblazer. What I found is that I had the wires on pins 49 & 50 of the...
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    and thank you.

    and thank you.
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    Getting a degree or two around the 3200 rpm range...

    Getting a degree or two around the 3200 rpm range when coming into boost.
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    I am in the process of tuning my spark table. ...

    I am in the process of tuning my spark table. I'm logging knock retard, do I make the corrections to the high or low octane table?
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    Speedometer issue

    I put a 03 5.3 P59 into an 02 Trailblazer which originally had the 4.2. I managed to get the gauge cluster to read everything correctly. My only issue is with the speedometer. The speedo will not...
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    Through research, I answered my own question. ...

    Through research, I answered my own question. Next question. Tubing my VE table running SD, do I use the same steps as running with a MAF with the exception of failing it?
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    My computer has a 2bar SD upgrade available. I...

    My computer has a 2bar SD upgrade available. I would like to try to run with the maf. Can I just re enable the maf in the tune, or is that function disabled in the file?
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    So use the fundamentals of n/a tuning. VE, MAF,...

    So use the fundamentals of n/a tuning. VE, MAF, and BIA. How is the boost tuned? Treat it kinda like PE? Thanks for the reply.
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    03 5.3 supercharger tune, "questions"

    I put an 03 5.3 from a Silverado into a something else. I bought the Magnuson tvs 1900 supercharger kit for the engine. Apparently Magnuson doesn't include tunes with the kit anymore, found that...
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    Don't think my post count is high enough to...

    Don't think my post count is high enough to attach files yet. Sorry. I'll keep an eye on this thread.

    I guess I can.
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    Sounds like we have about the same setup, except...

    Sounds like we have about the same setup, except I'm running a ls1 intake. I'll post my tune shortly for you to compare.
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    Ok, lets try a different example. My engine came...

    Ok, lets try a different example. My engine came with 24lb injectors, and I swapped them out for 33 lb injectors. I change the IFR table to 33 lbs. What does the ECM change to deal with the...
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    Injector flow rate table.

    Something that I have never really found a straight answer to. What exactly does this table do in the grand scheme of things. By changing the numbers, what does that tell the ECM to do. For...
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    Have a question. I've been comparing my VE table...

    Have a question. I've been comparing my VE table to ones in other tunes, and mine is considerably leaner. Would having injectors with more flow than programmed cause this? I put Denso 25326903...
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    Things are getting better. I pretty much started...

    Things are getting better. I pretty much started over, stock tune, logging and pasting. Something for the newbies out there, like myself. I use three

    different identical tunes for my VE, MAF,...
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    Well first off I raising the mph in the spark...

    Well first off I raising the mph in the spark table to like 15??? Which table are you doing that in?
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    Ok. Did as you said. I haven't gone for a drive...

    Ok. Did as you said. I haven't gone for a drive yet, but the dip is still there. This is happening parked in neutral, bliping the throttle. Maybe a clue, but as the dip is happening, I noticed...
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    Tried a few more things this evening. As a test...

    Tried a few more things this evening. As a test I made the 0 column -4 degrees and the 600 4 degrees in my spark table. I still get the dip but it recovers super fast, where as before it was a...
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    Worked like a charm. Thank you!

    Worked like a charm. Thank you!
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    One more strange issue I have. In the editor,...

    One more strange issue I have. In the editor, when I set the transmission type to manual and PRND to none and write the tune to the car, it will only rev to about 1500 rpms. There seems to be some...
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    Something that maybe someone can answer for me. ...

    Something that maybe someone can answer for me. I am running a manual 5 speed with no input to the pcm for brake or clutch. Do the P/N tables have any bearing. I am logging tranny gear in my...
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    At idle my timing is jumping +- 7?. When coming...

    At idle my timing is jumping +- 7?. When coming to a stop my timing pretty much stays steady. In my spark tables i have the 400 set to 45? and 600 to 36? in the idle area trying to catch the dip. ...
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    I've done ve, maf, and idle air. Those tables...

    I've done ve, maf, and idle air. Those tables are set per the error histograms.
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    Yes, I have performed that over multiple drives. ...

    Yes, I have performed that over multiple drives. That is how my VE table got to where it is.
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