How much noise is a 5-speed supposed to make?
#23
4th gear is straight through input to output 1:1 and dosn’t load bearings. everything sends torque through a secondary shaft and loads bearings.
Mine would squeal at light load after a flog session, usually coming off the track or at the end of an autocross run. After a little while a big bang would leave it with no drive in any gear but 4th. I have also broken second gear and 3rd gear only in other transmissions and when that happens it didn’t squeal prior to failure. I’ve broken 7 of them with 3 different failure modes. I havent thoroughly investigated but I think the squeal could possibly be from a chiped gear tooth getting stuck in a bearing and the race spinning.
Bob
#26
Is it more of a whine or does it sound like a "big *** cricket"?
https://www.miataturbo.net/general-miata-chat-9/clutch-squeaks-after-long-drive-45805/
https://www.miataturbo.net/general-miata-chat-9/clutch-squeaks-after-long-drive-45805/
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