Easiest way is to just tune any fuel to the gasoline air fuel ratios you are used to, if the gauge is on a gasoline scale.

You could re-adjust gauge to alcohol stoich or tune in lambda but you'll probably end up calculating back to gasoline scale anyway.


69 Charger. 438ci Gen2 hemi. Flex fuel. Holley HP efi. 650rwhp @7250 510rwtq @5700