I am sure this has been answered a bunch of times but is there a DIY for installing springs on a tc. So far I have only see them for the xb/xa. Thanks for the help guys

You could use the Hotchkis instructions:
http://www.hotchkistuning.com/bin/instructions/19425.pdf

I got them on, thanks for you help!

No problem...

When you get a chance, you should post some pics in the "lowered tC" thread:
http://www.scionlife.com/forums/viewtopic.php?t=39485

i will :)