what is that like plastic c-channel?
aluminum
where do you find all the supplies should someplace like hobbytown have it?
some parts you'll find at hobbytown, but mostly on the net. hobbytown caters to mostly go fast rc's
and what did you use for winch cable?
80lb test spider wire
how did you make the bumpers?
bumpers are a hpi savage part
http://www2.towerhobbies.com/cgi-bin/wti0001p?&I=LXDLC9&P=ML
and finaly about how much does it cost to build this stuff?
all that depends on parts put into it. anywhere from $300 to as high as $1000. i have about 275-300 in mine and that's using stuff i had already and fiind good used parts.
pictures of my build up
http://www.texasoffroad.net/galleries/members/album204