Corvette nerds wage 186-post war over which 1980s hypercar actually mattered

Users on /o/ debated whether the Callaway Sledgehammer or Porsche's competition was the superior performance machine, with little agreement reached.

A contentious discussion erupted on /o/ this week when an anonymous user invoked the Callaway Sledgehammer, allegedly a 1980s Corvette C4 variant, to argue American engineering superiority over European counterparts. The thread devolved into 186 replies of increasingly bitter automotive pedantry, with commenters divided on whether the Sledgehammer was a legitimate performance machine or an oversold “straight-line drag car.”

The OP’s central claim: the Sledgehammer, which allegedly achieved a top speed of 254 mph, outperformed contemporary Porsche models and proved that Chevrolet could out-engineer Stuttgart. One user wrote: “europe did not build a single road car faster than the callaway until 2010 with the Veyron Super Sport. the callaway sledgehammer was truly the most radical hyper car ever built.”

Detractors pushed back hard, arguing the Sledgehammer was a one-off novelty unfit for track duty. “It’s literally a ONE-OFF meme car, do you know what a production car means?” one commenter shot back. Another alleged the car “has never been around the track because its a drag car,” implying it lacked legitimate performance credentials beyond top-speed runs.

The debate metastasized into discussions of the C4 Corvette’s controversial SCCA racing dominance in the 1980s. One user claimed Chevrolet “technically broke the rules” by offering the Z51 Performance Handling Package as a street-legal option despite its race-car specifications, allegedly causing kidney pain in owners due to excessively stiff suspension rates.

Commenters fractured over whether Porsche’s 959 and the McLaren F1 XP5 were legitimate comparisons, with some alleging the XP5’s modified rev limiter made it categorically different from standard F1s. “You making any assertion that bucks this common knowledge needs citation,” one user demanded.

By thread’s end, no consensus had emerged. One sardonic observer summarized the entire affair: “two autismos arguing about the top speed of two cars neither of them will even see irl let alone own.”