Originally Posted by Jon [in CT]
If you're modifying your Subaru to run E85, you wouldn't buy expensive injectors. Instead, you'd install an adjustable fuel pressure regulator. That way, if you found that E85 was temporarily inaccessible, you'd simply lift the hood and adjust your FPR to the "stock" 43.5 PSI setting.
or have more than one map for you EM...if I had it, I'd have an ethanol map and a 93 octane map
simply switch maps