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  1. Need Stock 08 Silverado 5.3L flex fuel 4wd vin code 3

    Looking for a stock file for 2008 Silverado 5.3L flexfuel 4wd engine vin code 3

    ecm os 12617631
    tcm os 24239927
  2. Hook up the scanner and use the functions to...

    Hook up the scanner and use the functions to command the gears manually. If you still can't get all the gears then unplug the main trans connector. You will have rev and third. That will let us...
  3. My point was more that the original calibration...

    My point was more that the original calibration was designed around a 75mm tb and map sensor at the rear. Composite intake vs aluminum, alum block vs cast, there are so many things different. How...
  4. To those not familiar with the LT1 intake/tb ...

    To those not familiar with the LT1 intake/tb
    Twin 58mm throttle blades and the map sensor is only 2 inches past the tb. The intake is also known for reversion with larger cams causing the o2...
  5. I'm just relaying the info I got. If it were...

    I'm just relaying the info I got. If it were simple I'm sure he would have told me how......
  6. I played with a lot of different things to try...

    I played with a lot of different things to try and smooth it out, was better but not silky! I had previously tuned the LT1 pcm and had no issues but something in the LS1 pcm doesn't like aluminum...
  7. You dont have an aluminum flywheel do you?

    You dont have an aluminum flywheel do you?
  8. I contacted Greg about injector data when I tuned...

    I contacted Greg about injector data when I tuned an LT1 24x a few years ago. He told me that his data would only work with the 58psi.
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    The greatest benefit to tuning idle on a cammed...

    The greatest benefit to tuning idle on a cammed lt1 is having the iac port from the throttle body connected to the intake idle air passage which most of the aftermarket castings fail to do and just...
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    Im well aware of lt1 tb Ive owned 3 of them. ...

    Im well aware of lt1 tb Ive owned 3 of them. What im saying is that you could unbolt the iac and see what the max airflow is. Im betting you need to drill the iac port bigger in the housing. Being...
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    Sounds to me like the iac port in your tb is...

    Sounds to me like the iac port in your tb is limited to x airflow. The other thing is why do you need that high of iac count anyway?
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    Under engine general tab top right change to 3...

    Under engine general tab top right change to 3 and 3
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    Do you have the fuel injector bank table correct...

    Do you have the fuel injector bank table correct for the LT1 firing order?
  14. It will only shift as fast mechanically possible....

    It will only shift as fast mechanically possible. By zeroing shift times it keeps the adaptives from taking pressure away
  15. As long as you don't max out the maf you can tune...

    As long as you don't max out the maf you can tune it no problem
  16. If you fudge the numbers in the pe table then you...

    If you fudge the numbers in the pe table then you will see a lot of actual afr changes with temperature
    So if you would rather retune daily then rape away otherwise tune the 've and maf and set the...
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    Have you touched the maf table yet? The Cai will...

    Have you touched the maf table yet? The Cai will make a difference to that.
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    The one I did idled fine on a stock tune. Look...

    The one I did idled fine on a stock tune. Look for a mechanical issue.
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    Make sure the downshift mph isn't higher than the...

    Make sure the downshift mph isn't higher than the upshift and the part throttle 100 column matches the wot table
  20. Trace the power feeds to the ignition switch...

    Trace the power feeds to the ignition switch there has to be a bad connection loss of voltage in there somewhere
  21. Check the ignition switch on the steering column

    Check the ignition switch on the steering column
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    Like I said the pwm eliminator is going in when I...

    Like I said the pwm eliminator is going in when I get it
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    Yes

    Yes
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    Ordered the pwm eliminator since no one can tell...

    Ordered the pwm eliminator since no one can tell me how to do it with tuning
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    What vehicle and trans? Anything 95+ you will...

    What vehicle and trans? Anything 95+ you will need to command the pwm and tcc both on to lock. Have you disabled the misfire detection?
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