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By 1973, most of Plymouth’s real performance had already been regulated away — except for one engine nobody expected much from. Bud Lindemann puts this Cuda 340 through a full road test, and the stopwatch tells a story that surprised buyers who’d already written off the smog era. Watch to see exactly how quick a detuned Mopar could still be.
Modern muscle cars like the Hellcat twins hit numbers the original 1960s and 1970s era never touched, but they get there through supercharging and computer control instead of big cubic inches and low compression. Here’s a closer look at how Detroit’s horsepower war came back in the 2010s, and what changed in the engineering between the original muscle car boom and its modern revival.
Regular Guy Garage is dropping a 347 stroker into a 1986 Mustang Notchback, and against the current of nearly every build video out there, he’s doing it with a carburetor instead of fuel injection. His reasoning — no sensors, no wiring harness, no computer to fight with — has resonated with viewers who own everything from Chargers to Firebirds to Camaros. Watch to hear the full case for going old-school.
From the curb, this 1948 Chevy Fleetmaster Coupe looks completely factory-correct — until the test drive reveals a fuel-injected drivetrain and overdrive transmission hiding under period-correct sheet metal. MyRod.com’s resto-mod keeps the postwar Chevy’s original silhouette fully intact while modernizing everything a daily driver would actually notice, drawing praise from commenters for restraint rather than the dramatic transformation resto-mods usually chase. Watch to see just how convincing the disguise really is.
Plymouth only offered this exact combination for a few months before moving on, which is precisely why the A12 Road Runner remains one of the most talked-about mid-year muscle cars ever built. Wearing Vitamin C Orange paint straight from The Brothers Collection, this particular 440 Six Barrel car represents a stopgap Chrysler engineered on the fly to answer a very specific rival. Watch to find out what problem this car was actually built to solve.
This 1970 Dodge Challenger arrived at the shop rusted through, rotted out, and barely holding itself together, which is exactly the kind of car Detroit Muscle lives for. Nicknamed Project Ultra Violet, it would need a new roof, a new trunk pan, and an entirely different chassis before it could become anything resembling a driver. Nearly twelve million people have watched what happened next, and the comments reveal this build means something far more personal to longtime fans than horsepower alone.
Project Cool Blue’s ’65 Coronet hides an 825-horsepower Ray Barton Hemi under a deliberately unremarkable exterior, but the trickiest part of staying invisible isn’t the engine, it’s feeding it fuel without giving anything away. The team turned to a fuel system originally built to solve the same problem in modern Corvettes, adapted to fit inside a decades-old stock gas tank. No visible fuel cell, no whining pump, no giveaway hanging underneath. Here’s how a shallow foam baffle keeps an 800-horsepower secret completely silent.
Built in 1996, this Buick GSX became the first GS Pro Street car to break into the 9-second quarter-mile bracket, debuting at the GS Nationals and winning its class outright. Fourteen years later, new owner Bob Ortolani brought it back to the same shop for a fresh powerplant, and this video captures the very first day that combination hit the strip, three passes that kept dropping the number, followed by an unplanned wheelie nobody saw coming. Watch the full run and see how close the car came to the 9.40s.
The Dodge Charger burst onto the scene in 1966, a sleek, fastback beauty that made its Coronet cousin look like the introverted sibling at a car family reunion. Luxuriously priced at $3,100, it was like a Marlin with a snazzier hat. Boasting hidden headlights and a taillight grin, it packed options from a 318-cubic-inch engine to the roaring 426 Hemi. In 1967, the Charger donned fender signals and a vinyl roof, but sales took a nosedive—guess not everyone wanted a car that could double as a disco.
Step into the jet age with Cadillac’s Series 62 from 1954 to 1956, where luxury meets aerodynamic audacity! The ’54 model dropped a few pounds—vertically—and flaunted a wraparound Eldorado windshield, making heads turn faster than its 17.5-second 0-60 mph. In ’55, Cadillac added tubeless tires and a “hockey stick” chrome trim, boosting sales to a record 118,190. By ’56, the Series 62 had a grill fancier than a Michelin-starred meal and could sprint to 60 mph in a brisk, for its size, 12 seconds.
Somewhere in the 1980s, the boxy, sharp-edged shapes that defined an entire generation of American cars quietly disappeared, replaced within about a decade by the curves nearly every car still wears today. Vox traces the shift back to a specific Ford sedan, a wind tunnel, and fuel economy rules that made drag coefficient a bottom-line issue for every automaker. The explanation has almost nothing to do with changing taste.
Superchargers and turbochargers both force more air into an engine, but they get there in fundamentally different ways — one mechanically driven off the crank, the other spinning on exhaust gas that would otherwise go to waste. That difference shapes everything from throttle response to how much horsepower a build can realistically chase. Watch the breakdown of exactly where each one wins.
This 1970 Plymouth Superbird was built to win NASCAR races, not just look fast — but the detail everyone remembers is the horn, which plays an actual “meep meep” straight out of the Road Runner cartoon. Between the original $4,794.62 window sticker and the aerodynamics NASCAR forced onto the design, this in-depth walkaround finds a lot more than a gimmick. Watch to hear the horn for yourself.