[KingLT1]

Originally Posted by TJay74

Then I'm not sure on the 16, my 2017 had all of the flex fuel tables in place. The stoich table was already filled out and on the same values that GM uses for all of their FF vehicles.

The FF spark table was also already populated as well on my car. The only thing my tuner did was dial in my PE tables and work on the spark tables.

I had already looked at the FF tables and unlocked my vehicle on my HPT cable and done some tuning on my own before I had the tuner use my cable to dial the tune in. I was lucky they let me do that to save me the tuning credit money.

My 2016 Sierra 6.2 also had all of the FF tables setup and in place as well. The OEM factory stoich values were dang near identical to the ones the Camaro had, granted both of them were on the rich side. Both vehicle gained over 20rwhp with nothing more than enabling all of the FF stuff and putting E85 into the tank. The remaining 10rwhp was found in cleaning up the PE table and messing with the timing tables.

They are populated but not with the correct data. My 2016 had 14.10840 across the board in the stoich table. The stock flex fuel spark table needs some adjustments as well.