ramrod;c-160003 wrotePhilia_Bear;c-160002 wroteramrod;c-159999 wroteThat's when the cat converter came in. There must be a reason but anyhow, I wouldn't risk ANYTHING as far as damage over time, it's not worth it. I use strictly 91 octane
I'm past 15 years of running my 91 940 turbo on e85
What's the longest you have left E85 in the tank and how often do you drive that car?
Everything from daily to once a year
Same tank of fuel was in there from 2013-2015
I've also refilled the tank multiple times in a day when in long cruises