I sent Allan a message on your behalf through Facebook, will let you know what he says. I have 2 manual transmissions, condition unknown, make unknown etc, likely both will need a rebuild. I believe one is a 3 speed and the other a 4 speed. Long story, got them as part of getting hold of a bellhousing! I can take pics / try and find stamping numbers for you?
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How to post pics: When writing a message, scroll down and use the "attach file" option. Where possible, a photo sharing service can be used such as Flickr, Imgur etc. The image location (usually ending in .jpg) can be copy and pasted between the ][ brackets that appear when you click the 'Img' button (you can find this button at the top of the message box).
How to post youtube vids: Click on the 'youtubeHD' button at the top of the message box and in the middle of the ][ brackets that just appeared, copy and paste everything from the youtube web address that appears after the = sign i.e if this is the url:
https://www.youtube.com/watch?v=K2cNqaPSHv0 just copy "K2cNqaPSHv0").