Flex fuel tuning on 2020 coyote

Looking to flex fuel tune a 2020 Mustang GT. Any tips?

Find a stock Gen 3 f150 file and copy the flex fuel tables to start

I have posted several

Can you run these cars like a flex fuel GM car or do you need to run a separate tune for E85?

technically you can, but there is no physical sensor, and takes a while to read and change the stoich based on the ethanol inthe tank