Last Stop Garage - Season 1 Episode 7 -

After coming to the rescue of a local trapper who is stuck in the mud, the boys see an opportunity to ensure it never happens again: build him a big, bad off-road truck that can tackle the meanest Labrador terrain. Later, the crew has to negotiate for a suitable truck, fix up a timing problem, lift up the vehicle using unconventional methods, and put on some monster wheels and tires.