E85 Solutions

Unless you use a diablosport tuner. I have a 2003 Mustang Mach1 & it has factory 10.5 to 1 compression ratio. I monitor the air/fuel through my programmer, raise the fuel 20-40% and then advance the timing very aggressive. Sit back and hope it runs!

This is a little deceptive, as you have to spray 20-30% more fuel when you use E85 ... many of these stock cars *may* have injectors to do that, most probably do not ... do not use E85 in a performance car unless you have a faster flowing fuel pump and larger injectors, or you're saking for problems. Otherwise, go for it -- E85 rocks!

You don't have to change any parts on vehicles which are not older than 30 years, they're all E85-proof. But the oxygen sensor can only compensate the fuel injection when the pedal is NOT pushed to the metal. If you drive full throttle, e.g. while accelerating, towing a caravan or trailer or speeding on the Germany autobahn or a Montana highway, the oxygen sensor does not work anymore ! Instead a fixed maximum fuel quantity is injected, and that quantity is too low for the use of E85! Danger!

i wish him luck b/c i always root for american ingenuity and small business but that price is steep.

Id almost like to see him sell the patent and let someone mass produce it for $99.

Yes the o2 sensor will compensate up to a point (close loop). When you put the pedal to the medal (WOT/open loop) the car will switch to open loop and will not be using the o2 sensor. It will read from the fuel map on the ecu instead. So if you go out and fill up your regular car with e85 (not recommended by me) It may run ok if you drive like your grandma but once you step on it to pass a car or do a WOT then it will lean out and detonate.

A tune is needed to make your car run efficient with e85. I tune turbo my car to have the same if not better than stock gas mileage on e85. (1.05lambda to .80 lambda at 10psi)

gasoline is stoichiometric at 14.7:1, E85 is stoichiometric at 9.8:1. most stock ecu's can only compensate for about 10-15%. So you have to alter the global fuel trim to make it work.

The A/f ratio is completely different

yes.. the ratio is different. like i said, the oxygen sensor detects that and compensates.

Not in full-throttle mode, see above.