Trans hydraulic upgrades

[C.bowles2]

Well since my input shaft broke i have my trans torn apart. Couple questions, it has some hydraulic mods that fleece did but im wondering if there is anything else i should do or improve. Already have Mikes trim springs in it. Here is a pic of the two big valves in behind the pump.

Is there a kit or anything to get to upgrade further. I just want to be done with this trans ordeal and go on my way. Thanks. Also does anyone know where i can get the shift shaft seal??




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[C.bowles2]

Nvm found the shift shaft seal, gm part number 24235861 or national number 710545




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[Mike L.]

Shift shaft seal is the same as a 350TH, 400TH, 2004R, 700 4R, 4L60E, 4L80E.
The OEM Allison shift shaft seal is more exotic, but doesn't work any better.

 

[C.bowles2]

Ahh ok, i used to have a 700r4 behind an old chevy 350

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