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.

You can't beat a Triumph Spitfire for top-down fun, but this project car - bought as a box of bits - will be a massive mission to get back on the road. A family heirloom Rover P5 also needs serious attention from the workshop crew.