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Thread: Sloppy Mechanics tune p01 3 bar is a 2 bar, realized after licensing.

  1. #1
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    Sloppy Mechanics tune p01 3 bar is a 2 bar, realized after licensing.

    I'm curious, does anyone have a p01 12216125 OS tune from Matt Happels Colorado build? The tune I downloaded and licensed was suppose to be a 3 bar p01 OS, but was changed to a 1252013 OS. I've looked back in the history to see if its possible to change it back, but the history doesn't go back that far. The last 4 of the vin is 7360. Thank you. Also, I'm new to tuning on HPtunes, so if someone has another method to change the OS to 12216125 tune please let me know. I previously had a 2 bar maximum OS so now I repurchased back into the same issue.

  2. #2
    Advanced Tuner Matt Vardaman's Avatar
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    I have the tune file, but it's listed as 2bar flex base tune. With the P01, you can only do 2bar with flex fuel. You can do 3bar with some OS, but not 3 bar with flex fuel. He went to the P59 on the Colorado for the ability to run 3bar and flex fuel. Hope that helps I'll look to see if I have a tune file that has the 3bar option.

    Matt's fileHPT - P01 2018 Colorado DBC 2bar flex decapped 80e 500whp base.hpt
    2000 Silverado 2500.hpt P01 with 3 bar option
    2002Silverado stock tune.hptP01 with 3 bar option
    2001 Silverado 5.3 - 209/217 cam, GT45 Turbo on 7lbs, Aem x-series wideband, 50lb/hr flex fuel injectors, on E85 with content sensor

    1999 Silverado 6.0/4L80E Summit Stage one camshaft, 317 heads (replaced cast iron)

  3. #3
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    u can look at a tune without licencing it

  4. #4
    Advanced Tuner Matt Vardaman's Avatar
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    Also, p01 12216125 can not be made to be 3bar. I'm running this OS for the flex fuel capability on my daily na ride. It only has 1bar/2bar speed density os code modifiers. You can't do RTT with it either. Matt Happel has two really detailed videos from a few years back on what you can do/can't do with the P01/P59 pcm's with specific os's. That's why he went Holley EFI.

    The Operating System is 12216125>1252013 <----is the Hptuners code modifier applied to make it 2bar Speed Density.
    Last edited by Matt Vardaman; 01-15-2022 at 01:52 AM.
    2001 Silverado 5.3 - 209/217 cam, GT45 Turbo on 7lbs, Aem x-series wideband, 50lb/hr flex fuel injectors, on E85 with content sensor

    1999 Silverado 6.0/4L80E Summit Stage one camshaft, 317 heads (replaced cast iron)

  5. #5
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    I found one for a 2002 Camaro z28 that can do 3 bar in the repository a long time ago. 12212156 -> 1263002

  6. #6
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    Quote Originally Posted by Matt Vardaman View Post
    I have the tune file, but it's listed as 2bar flex base tune. With the P01, you can only do 2bar with flex fuel. You can do 3bar with some OS, but not 3 bar with flex fuel. He went to the P59 on the Colorado for the ability to run 3bar and flex fuel. Hope that helps I'll look to see if I have a tune file that has the 3bar option.

    Matt's fileHPT - P01 2018 Colorado DBC 2bar flex decapped 80e 500whp base.hpt
    2000 Silverado 2500.hpt P01 with 3 bar option
    2002Silverado stock tune.hptP01 with 3 bar option
    Thank you, I really didn?t want flex. Just the 3 bar lol. I?ll license one of the tunes you posted so I can have that option. $100 down the drain lol