Enjoy this description of the last of GM's full-size Oldsmobile hardtops and also hear two Olds 455s fire up at the same time. This is Part 3 of the series. For Parts 1 and 2, see below:

Part 1:
   • Coolest Cars of the 70s: 1975 Olds De...  

Part 2:
   • Coolest Cars of the 70s: 1976 Olds 98...