E85

Advanced Fuel Dynamics’ PROFLEX Commander Flex Fuel System is a plug-and-play, bolt-on kit that lets you run E85 in your late-model vehicle. The performance potential of ethanol-blended fuel is well documented. In fact, Advanced Fuel Dynamics has an entire page of dyno results for various vehicles running its PROFLEX Commander system—most demonstrate significant double-digit horsepower improvements over

Hi, I was wondering if you could help answer a few questions and doubts I have about moving forward with my E85 build. I know there’s a lot of hype about E85 being corrosive and I know there are measures to take to make that less possible in the fuel lines, pumps, and filters but

Gasoline or E85 ethanol-blended fuel? David Freiburger and Steve Dulcich at Engine Masters wanted to find out which makes more power and by how much. So they grabbed a 489-cubic-inch, 13.5:1 compression big block Chevy, teamed up with our partners at Summit Racing for a couple of key parts, and started playing. To ensure a level playing

What is a general safe effective compression ratio on E85? The internet results in varying opinions from 13:1 up to an extreme 20:1.   Jeff Smith: This is an interesting question that came out of last month’s discussion about E85. To quickly refresh, E85 is 85 percent ethanol (grain alcohol) and 15 percent gasoline. It

Old guy up in Canada scratching his head and wondering: A: Is the oxygen in ethanol as hard on aluminum parts as the information available on the web says it is? B: Can the corrosive effects be managed by adding materials to the aluminum or the fuel to offset the damage? C: Or am I

Editor’s Note: This is Part 2 of our Campus Pit Stop series of articles highlighting automotive engineering work being done on campuses across America. The series covers some of the schools’ participation in the Formula SAE and Baja SAE programs. For more information on these programs, please see our Campus Pit Stop introduction post. The