Are these GRP's?
 

This is at my buddy's jobsite. They are replacing the concrete floor of a school kitchen.

These tires can take some load! Popping wheelies while in Park.

http://i62.servimg.com/u/f62/14/92/95/22/imag0710.jpg

he duct taped the inside of the wheels and ran fishing line around the outside. There's a tutorial somewhere....:intello:

Bet he's got some firm foams in there! I don't think OFNAs would cut it --Josh

He should flip his diffs, the motors torque is making the chassis twist and not track straight under excelleration.

Thats the biggest RC Pull truck I've ever seen.
The Hulk aint got shiz on that thing !