Oldsmobile’s W45 Rallye 350 package turned a Cutlass into a rolling highlighter: body-color urethane bumpers, yellow Super Stock II wheels, and a 310-horse Rocket 350 breathing through a fiberglass Force-Air hood. Just 3,547 were built across a single model year, and only 160 of those wore the Sports Coupe body. Here is why the cheapest honest way into an Oldsmobile muscle car is also the one you will almost never see in person.