904 selective thrust washer race?

66fyssh said

I rebuilt mine several months ago and never ran across anything like that. I used Carl Monroe's book and the old video.

I'll be interesting to see what more experienced folks say.

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Yeah Idk
Called and talked to Robert @ A & A transmission
Last week about it and he said if the selective washer is steel then it needs the cupped race
But if its fiber then not needed?
I didn't know then to ask which way it goes.
It seems to me it would cup over the washer
But I'm not 100% sure on that..