GMT K2xx Trucks General Discussion 2014+ Trucks | General Discussion

Octane regarding AFR?

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Old Jan 8, 2016 | 09:38 PM
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Originally Posted by LIL6BT
I wasn't clear in what I typed. For that, I apologize. I intended that to be in reference to adjusting PE when swapping between different pump gas octanes. PE needs to be adjusted in general, but not when swapping from premium to regular gas.

You're spot on that the stock PE is way rich and rarely kicks in.
I think this is the answer I'm looking for. Ill log while i switch to 87 octane as well just to see.

The VVT1 cam cant come soon enough

Also someone asked what the setup is.

15' 2500HD 6.0L catless LT's/Corsa sport.
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