In an era before tube chassis race cars, production-based motorsport was big business. For the OEMs, these race-prepped vehicles still looked similar enough to the road-going vehicles they were based on that success on track could have a measurable effect on sales of that model, hence the adage “Win on Sunday, sell on Monday.” But campaigning a car in these production-based race classes came with a notable stipulation in the form of homologation rules – manufacturers looking to race a car in a particular production-based class needed to build a certain number of road-legal examples of the car for sale to the general public in order for the model to be eligible to race.

Read the whole story at Mopar Connection HERE: