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1970 marked the single year every American manufacturer went all-in on horsepower at once, from Chevrolet’s 450-horsepower LS6 Chevelle to Buick’s torque-monster GSX Stage 1 — output figures that still define the collector market today. It also happened to be the last year before insurance surcharges and emissions rules started pulling that horsepower back down. This video traces exactly what made 1970 different, and why nothing since has matched it.
Buick spent most of its history selling comfort, not speed — which made it stunning when Motor Trend called the 1970 GSX the quickest American car they’d ever tested. Built in just 678 examples with a Stage 1 package that delivered more torque than any rival muscle car of its era, the GSX remains one of the most underrated performance cars Detroit ever built. Most people who saw one on the street in period had no idea what they were looking at. Watch to find out why.
A 1970 Oldsmobile 442, bought for $1,500 in 1994 and simply driven like any other used car, sits at the center of a story about how undervalued genuine muscle car iron once was. With its W-30 forced-air induction package and a 455 rated at 370 horsepower, this was Oldsmobile’s peak performance statement before insurance pressure forced Detroit to pull back. Watch to hear the secrets most fans never heard.
Rare Cars makes the case, in the 49th episode of its documentary series, that the Oldsmobile 442 W30 is one of the most underrated muscle cars ever built. One commenter’s family has owned four different 442-related cars across three generations, including one still used as a daily driver. Watch to see why so many replies agree on the same answer before the video even finishes.