dirty mech:
gas powered on road awd chassis, .12 OS engine matched with a 2 speed transmission, carbon fiber chassis, anodized aluminum skidplate

collins:
bone stock electric 2wd offroad buggy
8.4v 7 cell battert, brushless motor and matching esc, single speed, smaller pinion gear, "drag slicks" ( )

i took him out of the hole HARD, but that 2nd gear ended up taking me on the top end... wasnt by much tho! time for a lithium polymer battery

the first...

http://www.youtube.com/watch?v=rSXj33Dvc-g


the 2nd...

http://www.youtube.com/watch?v=ek4naYpvI4g


over all i say not bad at all for an electric offroad buggy vs a gas on road car! mike, i owe you some fast food... lol