80% ethanol mixed with 20% diesel

AI Thread Summary
Mixing 70% E75, 20% diesel, and 10% 95 octane gasoline raises concerns about potential damage to the engine and fuel system. Non-flex fuel vehicles may experience damage to elastomers and corrosion in fuel lines. Initial testing showed the engine ran well for the first 50 km, but long-term performance and fuel economy remain uncertain. The mixture could jeopardize both spark ignition (SI) and compression ignition (CI) engines, making it a risky experiment, especially for a vehicle already deemed mostly scrap.
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Would this mixdure be equivalent in performance and fuel economy as 95 octane gasoline? Any possible damages to the engine if I try this mixdure?

Br. Vidar
 
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Unless the car is a flex fuel vehicle the elastomers in the fuel system could be damaged. In addition corrosion of the fuel lines can occur. As far as the diesel fuel goes, I have no idea how it would work in a gas engine.
 
Sounds like a good way to ruin both SI and CI engines.
 
SteamKing said:
Sounds like a good way to ruin both SI and CI engines.

The car is 98% scrap already. Just wanted to test it. So I gave it a mild start. 70% E75, 20% diesel, 10% 95 oktane gasoline. The engine ran like a kenguru - it did for the first 50 km, then it runs smooth. Can't tell what the milage is yet until the tank is empty - if the engine last for that long...

Vidar
 
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