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Potential Tuner
Which PCM do I need
I currently have a 2002 suburban PCM in my rx7 and I was running a 2bar OS and now want to make more power. I was told by the support guys at hptuners my PCM won't support 3 bar OS what do I need to run a 3bar?
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Tuner
The pcm for that vehicle should be just fine. You'll probably need to change your base O.S.. I can help you with that if you need it.
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Potential Tuner
It's a Mazda rx7 with a 6.0l Escalade engine The PCM I have won't support a 3 bar unless I can change the OS on my current PCM. What u mean change your base OS?