The Vette's engines grew stronger as the muscle ... and upgraded suspension was limited to a run of only 12 cars. LS6 'Vettes rarely come available for sale and usually go for around $150,000.

Built in very limited numbers and powered by Chevy's most potent V8, the 1970 Chevelle SS 454 LS6 remains one of the most ...

The top engine also cost a heckuva ... condition, and the sale price perfectly reflects that. (By comparison, and to ...