904 shifting issues with the motor OUT

Thanks for the input.

TrailBeast said

I don't think you actually have a problem.
Here's why.
There is no way I would expect the linkage to work anywhere near correctly without the engine holding the trans in it's very specific running location.
AND there is a one way clutch called a sprag in the trans that when turned backwards way is WAY harder to turn because it causes you to have to spin the planetary gear set and clutch discs in the drum they are connected to.
AND with only one wheel in the air the gear multiplication through the spider gears is twice what it normally would be if you turned both wheels at the same time.
AND you can't hurt a trans by rolling the car around the driveway and garage.

That's my thoughts on it.

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I certainly hope you’re right. I didn’t think I could hurt it either, but then it occurred to me that maybe rolling it around dry could do something? Again, I’m still new to this so I’m just guessing.

Plymouth 65 said

Do you have the transmission supported? With the engine out and transmission hanging there the driveshaft could bind. Or you could simply have a brake shoe hung up. 65'

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The transmission is being held up by a ratchet strap to keep the drive shaft inline. I learned the hard way that without it being held up, the universal joint will rub on the body. So, now it’s supported.

I made sure I didn’t accidentally leave the parking brake engaged, and I recently bled the brakes. When I bled the brakes, I removed the drums to clean them, and forgot to put the drums back on. Whoops! So, I had to adjust the shoes in so I could get the drums on. I thought since the wheels spin freely in the air, that that confirmed it’s not a problem with the brakes. But who knows?

My pops and I agreed that since we were able to get it in neutral, that I should drop the engine in, and get it running to circulate trans fluid. Then see how it behaves.