The Journal.

How one cam-in-head design ended up under nearly every rear-wheel-drive Opel worth building - and why it still tunes so well today.

From grounding gremlins to fuel-pressure guesswork, the recurring problems we see when the carbs come off and L-Jetronic goes on.

Small, light and shaped like a baby supercar - the case for the GT as the best-value rear-wheel-drive Opel you can still find.

Rust traps, drivetrain tells and the options that actually matter before you hand over cash for a project Ascona.

Following one reader's six-month revival of a barn-find Monza, from seized brakes to its first drive in years.

Decades on, the Manta B still fills meets across Europe. A look at what keeps builders coming back to it.