A Bentley tourer is a British icon. But good looks and performance are no use if the brakes fail and the electrics are faulty. A Leyland Princess completes the car royalty in the workshop and needs a full conversion to run unleaded fuel.

A glamourous Jaguar XK150 sports car, owned by the same driver for 50 years, is way down on power. The team diagnose an unexpected and dangerous fault. A hotrod which has been grounded for months gets a chance to cruise once again.