[gene_ensor]

Here is some research......

decent stall for the street?
http://www.hotrodders.com/forum/dece...ight=turbo+400

THM 400 rebuild ...
http://www.digitalcorvettes.com/foru...d.php?t=109572

GM turbo400/475 trans
http://www.hotrodders.com/forum/gm-t...ans-93088.html

How do I rebuild and hot up t400 transmissions?
http://www.hotrodders.com/forum/how-...ight=turbo+400

How to Work with and Modify the Turbo Hydra-Matic 400 Transmission By Ron Sessions
http://books.google.com/books?id=JJI...age&q=&f=false

TH400 Build Tips with Pics
http://www.hotrodders.com/forum/th40...cs-145318.html

TH400 build-pictures
http://www.turbobuick.com/forums/tra...-pictures.html

TH 400 Tail Shaft Change
http://www.hotrodders.com/forum/th-4...ight=turbo+400

th 400 transbrake??? or valve body
http://www.hotrodders.com/forum/th-4...ight=turbo+400

turbo 400 - strength - recommended upgrades?
http://www.hotrodders.com/forum/turb...t=turbo+400+91

Turbo 400 pump converter feed restriction
http://www.turbobuick.com/forums/tra...striction.html

Turbo 475 check balls
http://www.hotrodders.com/forum/turb...ight=turbo+400

Enjoy!