Re: Funky D-type O/D, P. II

[Joe Curry <Spitlist@gte.net>]

Jeff McNeal wrote:
> 
> Thanks Joe, I'll take your word for it and I'm glad to hear that the oil I put
> in there contains no sulfer.  Better safe than sorry.  But how does one tell
> of oil contains sulfer or other friction reducing elements that might be
> inadviseable for use with O/D?  It would sure be nice if you or someone who
> knows more about this subject compiled a list of oils that are best for our
> vintage cars.
> 
> Jeff
>
The best way to know if the oil has sulfur in it is to read the label. 
I think that all GL-5 types of gear oil has Alkyl Sulfide and I don't
think that GL-4 oils do.  Synthetic oils will be too slick for the
synchros to grab unless they contain friction molifiers as does the
Redline oil I mentioned.  Friction is required to make the synchros work
properly so eliminating it entirely is not a good thing in our
particular cars.

Cheers,
Joe

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