Custom Tuning 6.0's ? Any CNG / Propane Tuners out there

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Originally Posted by cleatus12r

Not knowing what to tune in/out for CNG, I can't help you with any tuning data but I can say that nothing should need to be changed as far as fuel rates go. Injection timing maybe just a bit but the fuel rates should only need to be changed by your right foot (less accelerator input for any given load/engine speed).

That was my thought as well, with the CNG on, you would not need to push as hard on the pedal to maintain speed.

How much would timing matter?