The LS7 big-block was never installed in factory cars, but it was offered as a crate motor from 1970 till late 1980s, it made over 520 hp and around 600 lb-ft ...
The first-generation Buick Regal was a bit of a dog's breakfast, a personal luxury car that launched at the beginning of the Malaise Era. The G-body Grand National, however, is a very different animal ...