tl;dr hahaha.. keep it short w/ pics if you want our help!
I'll try to shorten it up for ya next time, and use smaller words
...As far as spinning the in and out shafts in neutral? There should be some resistance but still be able to spin by hand.
I can get them to spin by hand, but its HARD. I would expect some resistance there, but not as much as I'm feeling now.
My 89 trans had over 400k miles and gears and synchro looked good. Just the bearings were shot.
There allways has been some noise in this tranny, but honestly, its pretty damn quiet for how many miles it has on it. By spinning things around I could tell that the bearings don't feel as fresh ast they could be, but its not horrible either.
to me i would think an old worn out tranny would spin easier than one with good bearings. but thats just me. the only thing ive ever done on my tranny is change fluid (due to water) and replace the top shift plate. ...
Yes, fresh bearings might provide more resistance until they break in. Toward the end of their life, they tend to bind up, either from grit getting into them, or extra slop in the sysetem from the bearings allowing things to bind up.
syncro rings you silly rabbits
tail and input slop causes bind, sound like you have enough slop for case grininz
are you running amsoil 0 30 type oil?
I'm wondering if there's 'just' enough slop in that input shaft to cause it to bind up. While it doesn't feel that sloppy to me, I don't have a good feel for how much is too much.
I'm running Mercon V in it (or was anyway). Going by the recipts, this tranny has allways had Mercon in it.
I do have the ford service manual for this truck, so I need to do some reading on it. As well as some internet reading on rebuilding these things during my lunch break. I'm not opposed to giving it a try, but I want to know that I've at least got a chance of success with the tools I have available to me in the garage.
I'll see if I can't squirrel away a little garage time tonight to pull it apart further. But I'm thinking the plan might be to just grab another boneyard tranny. Maybe I can find one of the newer M50d's with the supposed better second gear syncro's.
If someone close to me has a 4x4 4cylinder tranny they want to get rid of cheap, that would sway me toward rebuilding what I have.