Originally Posted by Schnitzel
Blend and oct?
I would fill up with 9 gal. E85 and 7 gal. 93oct (contains 5% ethanol here in Germany). In total it should be approx. 100oct and 50% ethanol (E50). Or is that blend too much for fueling?
On a healthy
fuel system 50% isn't a problem. If you have a weak link(usually a LPFP) then you may not be able to run that high of a mix. When properly tuned for it a 50% mix can yield some AMAZING gains, just look at Vneblob's PTF thread http://www.e90post.com/forums/showthread.php?t=746740