The original script did not call for the top of the truck to be ripped off during the chase through the storm drain beside/beneath the freeway, but when they arrived on location they found that the cab wouldn't fit under the overpass so director James Cameron decided that the roof was going to have to come off. The T101's bike jump into the storm drain was performed by a stuntman Peter Kent. The motorbike was supported by 1-inch cables, so that when they hit the ground, the bike and rider o ...[Read Story ]