For a long time in the automotive world, simply having a turbocharger on a street car was sufficient for bragging rights, as evidenced by the massive “TURBO” badging endemic to early Eighties machines ...
Automobiles, as any mechanic will tell you, are complicated beasts. Enthusiasts, of course, will have a solid grasp of the jargon. They'll know at a glance what the unusual shape on that road sign ...