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A base-looking V6 Mustang with three people on board, the air conditioning running, and a passenger whose only job is pushing the nitrous button just ran down a heavily tuned Nissan GT-R putting out roughly 720 horsepower. Limitless Performance’s 575-horsepower build, nicknamed “The WEIRD,” reportedly wasn’t even using its full nitrous shot on the pass. Commenters are calling it the ultimate sleeper, and arguing about what a six-cylinder Mustang beating a supercar really proves.
A 1969 428 Cobra Jet Mustang Mach 1 sat untouched in a basement for 28 years, emerging with just 41,525 original miles, its factory tires still in the trunk, and a sealed bag of unused headlight adapters Tommy Higgins has already turned down $2,500 for. Documentation includes the original bill of sale, build sheet, and a confirming Marti Report. Read on to find out what else survived nearly three decades of dust.
Before 1966, Chevrolet’s big-block Chevelle existed only as a tiny, mid-year experiment built in roughly 200 units. Then Chevy turned the SS 396 into a full series with three distinct engine options, and buyers snapped up around 70,000 of them at a base price under $2,800. Read on to find out which engine option collectors chase hardest today, and how a car that cost less than $3,000 new now commands six figures at auction.
This 1970 Dodge Charger wears Sublime, a High Impact paint color Dodge offered for a single model year before dropping it, paired with the legendary 426 Hemi under the hood. The combination of rare paint and an already scarce engine option makes this a genuine unicorn in the Mopar world. Read on to find out why one-year-only colors like this now command such a premium.
Park a 1968 and a 1969 Camaro side by side and most people call them twins. They aren’t. In twelve months, Chevrolet reworked the grille, the hood, the fenders, the taillights, and even the gauge cluster on America’s answer to the Mustang, changing the car’s entire visual identity without touching its basic proportions. If you can’t immediately tell the two years apart, you’re not alone. Read on to find out the six details that separate them for good.
Ford’s Mustang sold over 400,000 units in its first year and practically invented a category by accident. Chevrolet answered with the Camaro in 1967, and Dodge joined the fight in 1970 with the Challenger, setting up a three-way rivalry that played out on showroom floors and Trans-Am tracks alike. Here’s how one company’s runaway hit turned into the most famous three-way fight in American muscle car history.
Hagerty’s 2017 list of the best classic cars to buy leaned hard on 1980s models, and even early-2000s cars, as smart future investments, a call backed by real appreciation data rather than nostalgia. The same year, a $70 million Australian museum opened, the History Channel greenlit a series on a 57-year-old car museum, and a 650-horsepower Camaro ZL1 squared off against a Hellcat. Read on to find out what all of it says about where classic car values were headed.
Car #180 is one of only 34 Shelby GT350R competition coupes ever built, and under driver Tommy Hamilton it won International Conference championships in 1967 and five west coast titles in 1968 — more than 40 race wins across two seasons. Decades later, a comment from Hamilton’s own son turned this video’s technical debate about horsepower and dyno numbers into something far more personal. Watch to see why this particular Shelby still means so much to the people who remember it racing.
A viewer’s engine ran smooth, started fine, and seemed simply low on power, until he pulled a worn camshaft and found some valves barely opening at all. Engineering Explained’s Jason Fenske breaks down the four things every gasoline engine needs to make power, and why each one quietly fades with age. One fix turned into a bigger power gain than anyone expected. What’s actually happening inside an engine that feels “just old”?
At an RT66 Test N Tune event in 2015, Rich Kent’s E85-fueled 1962 Mercury Comet did something a brand-new 707-horsepower Dodge Challenger Hellcat never expected: it beat it clean off the line. The video’s own description reveals the Hellcat had run nearly three seconds quicker just a week earlier, turning a simple grudge race into a years-long argument about driving versus horsepower. Watch to see the run that started the controversy.
This 1972 Pontiac Grand Prix looks like any other formal-roofed SJ from the outside, but pop the hood and you’ll find a 455 big-block stroked out to 461 cubic inches — bigger than anything Pontiac ever offered from the factory. Only 91,961 Grand Prix coupes were built for 1972, and finding one with a built big-block hiding under that understated personal-luxury styling is the kind of sleeper surprise muscle car fans live for.
When the 2018 Camaro ZL1 1LE lapped the Nürburgring’s Nordschleife in 7:16.04, more than 13 seconds quicker than the standard automatic ZL1, it was only part of the story. Seven of the ten quickest American cars ever to tackle that track wear a GM badge. Read on for how aerodynamics beat horsepower, why the manual gearbox was the right call, and why the depth of that list matters more than any single lap.
Dodge built only four 1970 Challenger R/Ts with the fiberglass N94 hood, and according to the collection that owns this bright red example, it is the only one of those four that ever left the factory with a 426 Hemi. See the car Muscle Car of the Week calls a true one-of-one survivor.
By 1976, most of Detroit had already abandoned genuine big-block muscle to insurance surcharges and tightening emissions rules. Pontiac’s Firebird Trans Am quietly kept selling a real 455 cubic inches that year anyway, paired exclusively to a four-speed manual and hidden inside a black-and-gold special edition few buyers ever noticed. Only 110 examples combined the 455 with factory Hurst T-tops. Read on to find out why this stubborn holdout has become one of the most collectible late-70s Trans Ams on the market.
The 1961 Chevrolet Impala’s razor-thin C-pillar and vast curved rear glass made it the purest version of GM’s bubbletop roofline, built for a single, unrepeated model year before Chevrolet redesigned the car for 1962. It also happened to be the first year for both the Impala Super Sport package and the legendary 409 cubic inch big block, a combination that makes a documented SS 409 bubbletop one of the most sought-after Impalas of the entire era. Read on to find out what made 1961 the only year Chevrolet built it quite like this.