Originally Posted by spool twice
+1 Best quote in this thread
I've been running an E50/93 mix + methanol since Jan '12 running 17.5psi, and using my own judgement despite being an amateur at the time; this was long before the current array of tune's that auto-tune with built-in fail-safes.
Take it from people who've actually had the experience with E85 mixture's, it's not hard to do.
What exactly are your mods if you don't mind me asking. Jb4 G5 ISO? Using e85:93 with meth on which map? How much whp you pulling?