904 Torqueflight heavy duty selector shaft seal height?

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As of now this is where it sits at the moment. I tried to pressure it in more but i see that my tranny pan is getting bended (even with the block of wood in between) from the pressure so i back off. i cant hit the seal since its in a hard area of the car.

Any one installed a heavy duty seal to stop the transmission from leaking; if so how far does it go down?

I also changed the smaller rubber seal thats on top of the selector shaft seal. I just need a better E-clip cause the ones from auto zone keep getting wrapped with pressure as you push it in the groove

I dont wanna remove everything again just because i missed something.
That's it. It should be bottomed out there.