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Running a 73 VW and two motorcycles on E10 without issues.
Indy cars run E85 now, used to be straight alcohol.
Drag racers run alcohol, gas and nitro methane.
On the Corolla trip. I was driving 65 in Va, started at 3AM so headlights were on as well.
After the refill in Pennsylvania, speed limits were 55 and 45 on the turnpike with lots of construction to slow down my average speed. In Ohio speed limits was 55 with cops all over the place.
Understanding those circumstances the 10% difference in mileage is mostly attributable to the lower average speeds and no electrical drain for headlights.
36.5 and 39.5 less than 10% even with the lower speeds and lower electrical loads.
I like Ryan's idea of variable valve timing with increased compression for alcohol blends.
The X prize winners Edison were running E85.
Alcohol requires different jets and or emulsion tubes in older E0 setup carburetors.
That's 60k hours experience speaking.
Not a single snide or nasty comment.
Just facts based on 40 years experience.
regards
Mech
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