Originally Posted by 91civicZ6

you guys ever seen that cadillac that had a 4-6-8 engine? i've only seen one, but the engine was some idea that never made it.. the car runs on 4 cylinders while idling and coasting, then 6 and 8 cylinders when needed. I guess they were junk becuase they didnt catch on.

Originally Posted by TunerToys

Way back, Cadillac offered a V8 that would shut off two or four cylinders as power needs lessened, then turned them back on when needed. It was called the V-8-6-4, and was a complete failure....

http://waw.wardsauto.com/ar/auto_two_four_six/