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2.7 RS MFI and ethanol

Fuel System

Model: 911S, Year:1974, Mileage:170K, Type of use:Both Street & Track
I'm looking for advice on the effects of the up to 10% ethanol blends that are now commonplace, will have on the MFI system over time. I have a '74 911S with the '73 spec RS motor and MFI. Also any suggestions for preventing damage to the system. I store the car with a fuel stabilizer, but still worry about moisture.

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