AFD_Gray

Responding to a couple of points previously posted: 1. Ethanol always makes more power than gas. It has a faster expansion rate, a faster burn rate, a faster flame front and produces a cooler cylinder charge than gasoline. 2. Because E85 is equivalent to 114 Octane gasoline in terms of resistance to detonation it is a great alternative to 93 octane or race gas for preventing knock and pre-detonation, which is great for turbos. 2. Any E85 system is a power adder and will not increase fuel mileage. In fact, fuel mileage suffers a little but most like the power trade-off. 3. AFD has not tested a Subaru, so I am here to learn and to find a test car. Also, I personally run two high pressure turbo cars, a Saab and a GTI, so while I am not a Subaru guy I am pretty good on the tech with small displacement turbo engines. Ethanol loves forced induction and consistently makes about 9-10% more power at the wheels with a turbo or a supercharger and it's a whole lot cheaper than race gas.

The reason we bring vehicles in for testing, among other things, is to insure that the overhead is there in the fuel system for E85. If a car requires injectors or a pump upgrade we either shelve the project or make recommendations with the system for required upgrades. We never sell anything that is not thoroughly tested. So, you are right, it may not work out, but it works exactly as we claim on the fifty plus Euro and domestic cars we sell to every day. All we do is ethanol control systems. We even supply some overseas governments with flex fuel technology, so trust me when I say we know our stuff. We won't make any promises until we see results on the dyno, but we will gladly test a GT and let everyone know what we find out. Keep in mind the start of the thread was to look for a test car in Central Texas so we can get your community answers.

The system controls fuel only. However, because ethanol fuel is very stable with a high octane equivalency to gas the ECU will advance timing on its own. True E85 (85% ethanol/15% gas) is equivalent to 114 octane race gas. To adjust timing the engine advances to knock and then slightly retards from the knock point. E85 never knocks at full advance so the timing automatically advances to the set limit.

This is Gray with Advanced Fuel Dynamics. I am always hesitant to jump into a forum discussion so just know I am not here to sell anyone anything but I will be glad to answer questions. As for "no tuning required" per the last post, our systems take information from the ECU and drive the injectors so it really does its work with no tuning. In fact, if you put a gas tune on the car the system adapts in under a second, but a tune is not necessary. We already make systems for BMW, AMG, Ford, Chevy, Mopar, Prius (don't laugh), UTVs, a few motorcycles and Jeeps. The tech is proven but we have not jumped into the Subaru world yet. Again, questions are welcome.