Okay I have searched around, I find ALLOT of dead traxxas links to prob some great info. Does somebody have the spring rates and colors that they could post a link or type in so that My self and others may print out for info?? Do the reg revo springs work just as well, being a tad shorter? Thanks for the help. Reason i took the summit out in the snow and she sagged like she had a a foot stepped on her the whole time, dragged all over........ I have herd purple will help.