Quote:
Originally Posted by nkaminar
The Model T had a multi disk clutch, all steel disks, that was bathed in engine oil. ..... The synchro rings in the synchronized transmission do their synchronizing by a clutch action. The rings get the gears in time by the little clutches engaging. The transmission is bathed in gear oil.
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The synchro in a transmission is made of metals that are forced (pressed) against each other. In the case of the Mitchell, brass against steel.
A Model A clutch disc is not metal. It's fibrous. It should be free from oils so it doesn't develop unevenness and start chattering.