PCM Diagnostics & Tuning HP Tuners | Holley | Diablo

3 bar pcm

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Old Mar 10, 2017 | 05:20 AM
  #1  
gallegos276's Avatar
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Default 3 bar pcm

Hi I have the12200411 PCM 2002 surban and I was trying to convert it over to at 3 bar speed density last night. my hptuners says I can only do it 2 bar I reached out on the HP form they told me that's all I can do with my operating system. So the question is is there a PCM that will connect to my red and blue connectors from a 99 GMC Sierra wiring harness that basically will just transfer over and all I'll have to do is copy my tune and apply the 3bar map system to the new pcm?
thanks for your help
ryan
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Old Mar 10, 2017 | 08:00 AM
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truckdoug's Avatar
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you can use that PCM no problem, but you'll have to license and write entire a different operating system that supports 3 bar.

you will have to copy and paste all the tables individually.

but lemme ask this, are you really needing more than 15psi right off the bat?
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