KeenGamer: “Are you stuck in Wreckfest? Would you like to understand how car tuning, restrictions and classes work? Or do you want to progress faster in Career mode, and earn credits much more quickly? If the answer to any of these questions is “yes”, don’t hesitate – read our detailed guide for Wreckfest!”
Source: N4G PC 4 tips on how to progress in Wreckfest Career Quickly