Re: Once apon a time

Posted by markloff on December 01, 2005 at 16:42:22 from (204.221.56.156):

In Reply to: Re: Once apon a time posted by Hoosier Pete on December 01, 2005 at 14:36:40:

Alcohol engines take NO more fuel to make the H.P. of a gas engine! Do not confuse a fire breathing METHANOL race engine with an ETHANOL engine. If you built an engine for ethanol use with 12/14 to 1 compression it would get the same economy as a gas engine with 8/9 to 1 compression.

Know anyone with a flex fuel engine in their car? You can get 85-90 of the economy on E-85 that you get running gas. The reason you don't get the full ecomony on E-85 (85% ethanol) is because the compression is held lower in order to be able to operate on pump gas. The only thing that's changed when switching between gas and E-85 is the fuel delivery and spark timing.

I agree that lugging a high compression alcohol motor down to the last revoluion like they do in tractor pulls will cause pre-ignition but this is not real world use anyways. I also think that the reason high RPM race motors on alcohol don't like to lug down is because they were designed as high RPM race motors?!?

Don't compare apples to oranges

Mark

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