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Ethanol is not a terribly good fuel and causes lots of problems in engines which have seals that weren't designed for it. Engines are also prone to knocking as
by smoyer 5y ago
Ethanol is not a terribly good fuel and causes lots of problems in engines which have seals that weren't designed for it. Engines are also prone to knocking as the energy profile of (enhanced) fuels is different.
- abainbridge 5y agoI thought Ethanol has a very high octane rating (~110-120 RON) and therefore would reduce knocking compared to regular 85-95 RON fuels. I'm sure it has plenty of other problems though.
- vlowther 5y agoEthanol is awesome when it comes to knock resistance because it is much slower burning than gasoline is with all other parameters being equal. Where it bites is that it requires better seals than gasoline, and it has lower energy density, which means you need higher flow fuel pumps, tubing, filters, and injectors to make the same power. Do that, though, and you can run a turbocharged engine at much higher levels of boost and create much more power than you would be able to do with anything short of race gas or even more exotic and dangerous fuels.