http://au.geocities.com/ozbrick850/amsoil-atfspecs.html
That's comparing mobil 1 ATF to Amsoil ATF to royal purple synethetic ATF.
http://au.geocities.com/ozbrick850/at-mortality.html
About transmission fluid, and it's expected life at different temperatures.
http://au.geocities.com/ozbrick850/atfflushmethod.html
Easy way to flush ATF. I'm doing this next time. It changes ALL the ATF, not just some of it.
Enjoy!