Synchro Ring ID

Joe AZ

Joe AZ

Senior Member
I've pulled my '40 transmission apart and have a question about the brass synchro rings......
The second gear ring is marked "182", and the third gear ring is marked "178".
Do these numbers have any particular significance, or just a manufacturer's mark, etc.?
Thanks,
Joe
 
They are also interchangeable (91A-7107). I've heard some of the late ones don't fit the taper of the coresponding gear very well so this fit should be checked prior to assembly.
 
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Terry, Rotorwrench.......appreciate the replies. I'll check the taper when I get new ones.
Joe
 
We found that many of the rings available from the early Ford vendors do not fit correctly. We found a source that makes them fit nicely. We had to buy a large qty and they cost a bit more, but they have the right fit, and NO modifications are required.
 
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