Re: Tuning with E85
There may be a few questions about ethanol use in non flex fuel set up cars, there design differences in the two fuel systems, one is the elimination of bare magnesium, aluminum, and rubber parts in the fuel system. Another is that fuel pumps must be capable of operating with electrically conductive ethanol instead of non-conducting dielectric gasoline fuel. There are a few more issues but the concern more to the older vehicles. The other issue is that with more than 1% of water, ethanol and water seperate from gasoline, this accelerates chances of engine wear during warm up or while reaching the operating temp. Few of the reasons why stainless steel tanks are used and intank fuel pump assemblies are modified to avoid arcing as well. Now I am sure that our cars while new will be fine for a while since new materials are usually strong and long lasting, but there is no harm in doing some research on the construction of our fuel systems and storage before hand.
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