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Can someone help me understand why you are disincentivizing upgrades from the MVPI2+ vs the MVPI Pro? I had a MVPI Pro which I upgraded to the MVPI+. Now to go to the MVPI3, only 4 credits are...

This is correct, new PCM = more credits unless you have the unlimited path even with the same VIN. Which kind of bites if it's your own rig but is understandable from the standpoint that guys doing...

Here is the info earlier in the thread starting at post 31. 87skier did a good job on clarifying this.

Remember if you are measuring these in parallel it adds up like this 1 / R = 1 / R1 + 1 / R2...

And the whole diagram. This is 08 Corvette.
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The 8.25 should be correct. I would go from the "Reference Ground" not a chassis ground just in case. Here is a close up of the OEM resistance diagram.

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Yes, VVT and TUTD are compatible. Corvette tune in the trans is the key without a body module. Use the resistance shown for the Corvette to get the controls.

Thanks Bill, that answers the question.

Yes, hence my question. My understanding is that they are the same engines, just carried over in the later years.

Are the later ('through '08) 3.8 liter V6 engines covered in the tuning software? Examples would be the Pontiac Grand Prix, etc.

I am waiting for this application too. Any update?

I'm in for one of these too. I have a 2008 CTS (rwd manual if that matters) PCM if you need one. I have the Engine/wiring/PCM/Etc. only, not the car or transmission. My project is under...

I would be interested in this as well. I believe that the Cadillac CTS, STS, and the new Camaro V6 all use the same Bosch computer. I am planning a retrofit with a CTS engine and will need to be...