On 1/2/2012 1:12 PM, X ` Man wrote:
On 1/2/12 1:01 PM, wrote:
On Mon, 02 Jan 2012 10:04:24 -0700,
wrote:

On 01/01/2012 9:38 PM, Tim wrote:
On Jan 1, 10:22 pm, wrote:
On 01/01/2012 8:26 PM, Tim wrote:

http://www.boatingindustry.com/news/...nt-of-energy-e...


Yeah the article is 3 mo. old but it looks like the E15 is wrecking
havoc on even some 4-stroke marine engines.

I shudder the thought of what it would do to my chainsaws too.

Could have told you that 10 years ago. Real gas burns better and does
less damage.

Oh I knew about it 10 years ago, but some people here might not see a
problem with it.

It's not good stuff especially for carburetor type engines.

While I think fuel injected engines handle it better, they too suffer.
I am in a high altitude area, and fuel millage is up but it should be
down. I suspect it is because we get the 100% gasoline.

But I am sure some congress people invested in ethanol.

Why would fuel mileage be down at a high altitude?


Just the opposite, no? Doesn't the 02 sensor detect exhaust gasses
getting richer as the oxygen in the air thins out, and therefore the
system drops back on the amount of gasoline burned so as to maintain the
proper mixture? If there is less oxygen and you burn less fuel, you get
less power but more miles per gallon? Alas, I am a mere English major,
so I doubt my "understanding" of the physics is correct.








Just a guess would suggest that the small engine and low horsepower
doesn't allow for a lot of adjustment aside from being set for "normal"
air pressure and O2 concentration so it can't adjust far enough to
achieve "optimum" fuel to horsepower ratios. A rich mixture, like a lean
mixture, will not burn as efficiently...