To be competitive, Mike replaced the leaf springs with airbags, the old heavy split ring rims with lightweight one piece rims, fiberglass body pieces, cutting the tires, gutting the interior out, 4 linking the truck and putting in a bigger engine.
Mike's truck was made more competitive by replacing leaf springs with airbags, switching from heavy split-ring rims to lightweight one-piece rims, using fiberglass body panels, trimming the tires, removing the interior, connecting the wheels together, and installing a larger engine.