Originally Posted by 335iRlz
e85 question I used about a half tank after toping it off with e85 yesterday at what point on the fuel bar will I need to put more in.. I've never been a fan of running it down to the bottom bar.
you want to keep a constant ratio, so when you add in gas you need to add both your base fuel and E85 to maintain whatever ratio you had. of course you don't have to be accurate to 10e-15 lol, but you get my point.
I hope you are logging STFT and LPFP actual just to amke sure you are not maxing out trims, and two LPFP is keeping up