Final answer:
It is not recommended to combine radical and non-radical tires on a vehicle due to their different construction methods and properties.
Step-by-step explanation:
When it comes to tires on a vehicle, it is not recommended to combine radical and non-radical tires. This is because radical tires, also known as radial tires, and non-radical tires, also known as bias-ply tires, have different construction methods and properties. Radial tires have reinforcing plies that run perpendicular to the direction of travel, resulting in better grip, fuel efficiency, and smoother rides. On the other hand, bias-ply tires have cords that run diagonally across the tire, providing better load-carrying capacity and resistance to sidewall punctures. Combining these two types of tires can lead to uneven wear, compromised handling, and potential safety risks. It is important to use tires of the same type, either all radial or all bias-ply, for optimal performance and safety.