As engines get older and clock in the miles, a lot of wear starts to happen. Seals start to go, belts snap, and pipes clog up. Timing chains, a metal linkage that syncs the rotation of the engine, ...

Frictional belt drives reliably transmit power from source to load without asking much in the way of upkeep. Their modest needs stem from the fact that belts elongate through normal use and wear. The ...