[Healeys] Effects of Ethanol

[Bob Haskell]

Mike,

Not surprised.  There isn't any seal where the shaft sticks out of the 
housing.  Just depends on how full the tank is.

Cheers,

Bob Haskell
AHCA 3000 MkI registrar
http://www.ciahc.org/registry_3000mk1.php

On 05/29/2018 11:29 AM, Michael MacLean wrote:
> This past weekend I removed the tank to extract the sending unit on my 
> Bugeye because of a constant reading of empty on the gauge.  As 
> suspected, the plastic float was filled with gasoline.  Ethanol!  While 
> replacing the plastic float for brass and the cork gaskets for Viton 
> type gaskets, I also swapped out the sending unit top cover cork gasket 
> with a Viton type using Hylomar AF to seal things up.  The big surprise 
> came when I found the rheostat cavity full of gasoline.  Must have 
> entered through the hole in the sending unit body for the float lever.  
> Anyone have experience with this?  Should I be concerned?  I remember 
> the original sending unit I removed form the Bugeye tank was full of a 
> white powdery residue around the rheostat like it had also been filled 
> with gasoline.  Anyone have experience with this?
> Mike MacLean
> 
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