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· Registered
2003 chevy trailblazer_ls
7 Posts
Some first hand E-85 experience and facts

Speaking as someone who uses E-85 full time, in my "other car".
It is great stuff for what I use it for but, it's not for everybody.
I say it's great but that's because it works for me.
(Higher flowing fuel pump, 50psi of fuel presure vs. 37 from factory,
22% bigger injectors, anodized fuel rail, etc.. )

I don't think it's fair to say E-85 "is bad" or "good" because again,
it depends on whether or not you can take advantage of it.

There is no set number, as to how much more of it you use vs. gas.
Depending on different variables(Barometric Pressure(elevation),
temperature, voltage to the fuel pump, etc. ) I have my other car
compensated about 28% to 27%. Others have reported higher and lower
compensation values.
Is it corrosive? Yes.
So is gasoline, that's why most manufactures are using more plastic, viton
and aluminum vs. steel and rubber in today's automobile.
Gasoline just takes longer, maybe 30 years, before your steel tank and
lines rot from the inside out.
Ethanol in a raw form will do it alot faster, which is why it is mixed
with gasoline.

There's more to it, but I don't want to write a book.
So, to answer the OP question, is it worth it?
Unless you retro-fit the car and have a way to "tune" the car. It's not
something I personally would advise to do.

Other than that, read up more about it from information sources that are not
biased one way or the other. The subject of Ethanol in passenger cars is
always very touchy.
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