How about a few links?
http://www.crankshaftcoalition.com/wiki/T-400_Rebuild_tech
http://cogpro.com/chapters/P-TurboHydraMatic/index.htm
http://www.teufert.net/trans/t-400.htm
http://www.kilgoretrans.com/html/kilgore.html
http://www.bdub.net/transmission/TH400SuperBeefing-text.pdf
http://www.turbobuick.com/forums/tr...d-pictures.html