Thursday, Feb 11, 2010 at 12:01
lex
your report comes from NRMA, I copied this from RAA, these are to be taken with a grain of salt, you only have to look at their maps, and see the out dated road reports, I find that ones own experiences and trials are the best, but this below is what the RAA believes.
Most metal components in fuel systems will corrode or rust in the presence of water. Ethanol increases petrol's ability to absorb water without separating and Ethanol blended petrol can therefore ‘hold’ more water and carry this through the engine. The greater the concentration of ethanol the greater the ability to ‘hold’ water.
Several studies have examined the effect of E10 on fuel tanks and fuel system components and have concluded that ethanol up to 10% does not increase corrosion in normal, everyday operation.
Ethanol blends may have a deteriorating effect on the rubber components of an engine. Other additives, such as benzene may also have an effect.
In older models, deposits in fuel tanks and fuel lines are occasionally loosened by E10, and the fuel filter may become plugged. This is remedied by a fuel filter change.
If very Ethanol rich fuel is used this may cause an engine to stall.
Laboratory tests have shown that blends of 20% pure Ethanol in petrol can damage some conventional automotive paint.
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