Oldsmobile's rarest engine, the J-2 Golden Rocket V8 ... electing to enlarge its trusty 324 ci Rocket V8 powerplant, which made 240 hp and 350 lb-ft of torque, to a meaty 371 ci for the 1957 ...
Oldsmobile 88 is not rare by production numbers, but fewer and fewer of them are popping up in junkyards nowadays.