I've been driving 70 miles a day, and finally got tired of filling up so often and switched back to 93. 40* outside, nothing crazy, the first time I hit it my car read 222whp and 275wtq. About 10 more whp than I made on E30 but about 15 wtq less when it was 19* out. Wtf. Granted I have some leftover E in the tank, so it's not purely 93, but I was surprised at the power it made.