mfg Posted January 21, 2015 Report Share Posted January 21, 2015 Ethanol fuels slowly attack an Avanti's cork fuel sender float, causing it to fall apart.....True? Link to comment Share on other sites More sharing options...
R2Andy Posted January 22, 2015 Report Share Posted January 22, 2015 False. Ethanol attacks the varnish that seals the cork. The cork will then absorb the fuel. Link to comment Share on other sites More sharing options...
lschuc Posted January 22, 2015 Report Share Posted January 22, 2015 And ethanol fuel will also slowly attack the plastic floats in replacement sending units. A replacement sending unit I installed in the mid-1990s failed last year when the alcohol in our modern gasoline wore away at the edges where the float pivots on the sending unit arm. When the hole got big enough, fuel filled the inside of the float and began sending wrong fuel level readings to the gauge. If your sending unit fails, and the electronic parts at the top of the sending unit check out in good shape, you can remove the old float and solder a brass carburetor float to the sending unit arm. Link to comment Share on other sites More sharing options...
mfg Posted January 23, 2015 Author Report Share Posted January 23, 2015 True Ischuc, and ethanol WILL deteriorate a cork float, causing fuel cotamination. Link to comment Share on other sites More sharing options...
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