Quote:
Originally Posted by pgfpro
The only way to increase FE at 7psi is to run a lean-burn engine.
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Lot of great information, but that's the thing, I guess? Engine should have certain qualities and needs serious remapping. But, all in all, with ethanol fuel most efficient engine could be a boosted one. Even if it have to be build from scratch with that in mind, one will not make any more miles pet gallon just bolting a Garret on and filling tank with E85. Anyhow, interesting. In big picture ethanol is so marginal, that I think that there is no pure ethanol engines from major companies.