"Nomen Nescio" > wrote in message
...
> Thank you all for your advice.
>
> Do you think a steel cased oil seal will work satisfactorily in aluminum
> alloy if the seal is a good press fit? I would apply a light coat of
> Permatex #1 or Permatex Aviation to the outside diameter before driving it
> home.
>
> I am working on an obsolete motorcycle. The supplier has on hand
> elastomer
> coated o.d. oil seals, but the retention in the bore is problematic. I
> don't think OEM stuff is available and he is supplying generic parts. If
> that is the case, my automotive supplier can special order any seals I
> want
> by size and type specification, so the decision can be made to go with a
> conventional metal case seal. Rubber coated o.d. is supposed to be ideal
> for aluminum alloy, but I don't see any reliability in these seals if I
> can
> literally push into place by hand with essentially no mechanical
> retention.

put a little silicon on the outide of the rubber coated seal and then you
could pean it in a bit with a punch.....just another option.