Randall,
The Spitfire changed to these type of thrust washers in the later 70's.
While they don't break or fall apart, I found that they do tend to get
compressed slightly (or wear more) giving a tiny bit more of clearance over
time making for a rattly spider gear assy. I try not to use them if I have
the bronze ones available. In fact I'll use good bronze ones over the
"phenolic" type if I have a choice - The bronze ones keep the spiders gears
nice and tight over the life of the unit -
***************original message******************************
>These are the thrust washers that the side gears in the differential ride
>against. The originals in my Stag differential were brass (or bronze), but
>the replacements appear to be plastic of some sort (perhaps reinforced
>phenolic). They fit perfectly, so no doubt they were intended for this
>application, but ...
>
>Anyone know if the plastic ones hold up OK ?
Barry Schwartz
La Mesa, CA (San Diego)
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