[alfa] Re: Brass synchronizer rings

[George Graves <gmgraves@xxxxxxxxxxx>]

You're probably right. They are more than likely bronze. Bronze is used 
for automotive bushings, so I suspect that synchros are bronze as well. 
Makes much more sense.

George Graves
'86 GTV-6 3.0 'S'


On Tuesday, September 2, 2003, at 07:30 PM, C M Smith wrote:


> When my lunched SAAB Aero tranny was apart for examination I did note 
> what appeared to be bronze synchronizers. The design was modern in 
> 1985 and updated in 1994. The design is still defective however!
>
> I think bronze might have been used in preference to brass as it is 
> less brittle and also microporous so holds lubricant well without 
> interfering with the grip required for the synchro to work.  Bronze is 
> tougher than brass. Granted they looked nice and shiny like brass, but 
> I bet they were bronze.
>
> Anyhoo, the synchros in my SAAB tranny were quite large in diameter 
> and appeared plenty robust for absorbing the friction loads 
> adequately, they seemed larger in diameter than the gears they 
> selected.
>
> Cheers
>
>
> Michael Smith
> White 1991 164L
> Original owner
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