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  1. The way I do this is I must have the customers...

    The way I do this is I must have the customers transmission ID tag code. Once I have that I can upload the GM calibration data to the new TCM. Easy to do.
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    I hope the issue gets figured out. I wonder if...

    I hope the issue gets figured out. I wonder if the fuel pump is not holding pressure after it primes? I had 1 vehicle do this but it wasn't a super long crank. The issue seems to be is the short time...
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    You need a 17 OS since the wiring pinouts changed...

    You need a 17 OS since the wiring pinouts changed in 17 for the fuel sensor
  4. I have been thru this so many times. It is the...

    I have been thru this so many times. It is the 2016 OS. It will not make power. Look at the tps opening versus pedal. I bet the tps never goes over 50 percent and no tuning can fix it. There is...
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    I just re pinned mine to a e38 because that...

    I just re pinned mine to a e38 because that controller is a pain to tune.
    https://youtu.be/BS1L2QMZ-Ng
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    Paulsmithsr helped me out with a L86 with LT4 . ...

    Paulsmithsr helped me out with a L86 with LT4 . There is more than just the tune. Also need the correct setup. He helped me through it all.
  7. I bet a 2014 5.3 OS would work much better. Just...

    I bet a 2014 5.3 OS would work much better. Just change the trans setting from auto to manual. 2016 is no good to use for swaps. I have had best luck using the truck OS. I might have a spare ECU I...
  8. I was able to get it to work using a different...

    I was able to get it to work using a different OS. I am still working to get it to work with the 5.3 os. Haven’t found any able to show how exactly to do this. Just hear it’s so complex only the...
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    Usually the 5.3 os will let control speed via the...

    Usually the 5.3 os will let control speed via the scanner. The 6.2 OS doesn’t allow the scanner to control speed. I have seen guys set the pwm freq to 1200 hertz to make a relay stay latched.
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    On gen v the fans are PWM. Most of the time...

    On gen v the fans are PWM. Most of the time hptuners wont be able to control the fan in the scanner. Sometimes it does work on the 5.3 OS. Are you trying to drive a relay?
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    My fuel trims are fine so I have no issues and...

    My fuel trims are fine so I have no issues and the swap runs perfect. My negative timing was in a completely stock engine. There should be no need to adjust virtual torque. The only change would be...
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    For me changing those would not fix the timing...

    For me changing those would not fix the timing issue. If the poster is willing to try my fix and post what the result is that would be great. Rather good or bad. It?s like there is something missing...
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    Try it and see what happens. It fixes the timing...

    Try it and see what happens. It fixes the timing issue and fuel trims usually are fine. Even if they are slightly off you have a more critical issue fixed which is negative timing. I have applied...
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    take 10% percent out of your maf table around...

    take 10% percent out of your maf table around idle. This will increase your timing back
  15. Thread: Idle Timing

    by vannatta20
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    1,506

    Lean out your maf curve around the idle by 10...

    Lean out your maf curve around the idle by 10 percent. This is how I do it
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    Changing GEN V Vin

    Is this possible? I can never get this to work. It seems to never take
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    I need to! The car is gone for now but Ill try...

    I need to! The car is gone for now but Ill try the update on my tahoe
  18. Thread: Engine Swap

    by vannatta20
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    I all my experiences a 2016 year operating system...

    I all my experiences a 2016 year operating system will not play nice with an engine swap. Lots of money wasted licensing on these. I no longer do them. I use a different year OS that I know works...
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    L86 with LT4 Supercharger Tune

    I want to thank paulsmithsr on here for helping me out. I have done very little tuning with forced induction and adding this to a gen v was scary. I told the customer to please not add forced...
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    The Gen V is just like the Gen IV in the area of...

    The Gen V is just like the Gen IV in the area of programming modules. If I have the vehicle at my shop I use GM TIS reprogramming to match them up by the VIN. If a mail order situation I can do a...
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    I have tried multiple computers and OS's. It...

    I have tried multiple computers and OS's. It never changes the start up time. I wonder if it is just a flaw with the high pressure pump
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    Not sure if this is an issue but look out for...

    Not sure if this is an issue but look out for what starter is on it.

    I learned this the hard way. You must use a gen v starter. I used a gen IV laying around. They bolt up fine! The issue is the...
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    If you cant get a start then this is usually the...

    If you cant get a start then this is usually the issue---GM changed the harness in 17 with the high pressure fuel sensor and a few other things. You need a harness for a 2014-16. You also need the...
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    Even changing the ac table will not fix your...

    Even changing the ac table will not fix your issue. You will need to run the ac pressure or a 22 megaohm resister in the pressure circuit. It is a safe mode type of deal. I have experienced the long...
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    There is only a replicated cam signal available....

    There is only a replicated cam signal available. Will that work? It also needs to be enabled in the os if it is not already
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