Have been using 80-90 weight gear lube (GL-5) in the manual transmission of my 1980 corvette. Would GM part no. 12345349 Synchromesh transmission fluid
be a better choice as it is designed specifically for transmissions?
It is SAE 75 weight, so is a bit thinner though. Meets GL-3).
be a better choice as it is designed specifically for transmissions?
It is SAE 75 weight, so is a bit thinner though. Meets GL-3).
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