A rusted 1970 Plymouth Superbird spent nearly three decades forgotten in a barn before builder and racer Emelia Hartford brought it back to life. Then Goodyear invited her to its Texas proving grounds to see what the restored NASCAR legend could still do.
NASCAR did not ban the winged Mopars outright, but it may as well have. After the 1970 season, the sanctioning body rewrote the rulebook specifically to push cars like the Plymouth Superbird off the superspeedways — cutting engine size for any aero car that wanted to keep racing, unless it dropped well under factory weight. One season of total dominance was all it took. More than fifty years later, one of those banned legends sat forgotten and rotting in a barn — until builder and racer Emelia Hartford dragged it back into the light, rebuilt it from a rust shell, and drove it past 210 mph on a closed track in Texas. Goodyear’s own engineers had to see it to believe it.
The story is simple to state and hard to believe: a car NASCAR effectively legislated out of existence for being too fast just proved, decades later and with zero factory backing, that it still had the right to scare people.
The Car That Scared NASCAR Into Changing Its Own Rules
The 1970 Plymouth Superbird was built for one purpose: survive at 190-plus mph on NASCAR’s biggest superspeedways. Plymouth grafted an 18-inch nose cone and a towering rear wing onto a stock Road Runner body to tame the aerodynamic lift that had been shaking cars loose at high speed, and the formula worked almost too well. Along with its sibling, the Dodge Charger Daytona, the winged cars were so fast and so dominant that NASCAR stepped in for 1971, restricting aero-bodied cars to a 305-cubic-inch engine unless they weighed in near 2,900 pounds — a rule change aimed squarely at ending the wing-car era. It worked. The Superbird’s factory racing career lasted barely a season before the cars that had terrified the field were legislated into irrelevance.
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That history is part of why NASCAR fans still argue about the Superbird more than fifty years later. As more than one commenter on Hartford’s video pointed out, the car wasn’t banned for cheating — it was banned for being better than everything else on the track, and the other manufacturers couldn’t keep up any other way.
Why Plymouth Had to Sell You One to Race One
Part of what makes the Superbird such a strange piece of NASCAR history is how it came to exist at all. NASCAR’s homologation rules of the era required manufacturers to build a minimum number of street-legal copies of any car they wanted to race on the high banks, so Plymouth had to put roughly 1,920 Superbirds into dealerships just to make the on-track version legal. Every one of those street cars carried the same 19-inch nose cone and nearly two-foot-tall rear wing that defined the race cars, mounted on struts tall enough to clear the trunk lid, because the wing had to sit in clean air above the turbulence coming off the roofline. Buyers could order a Superbird with a 440 Super Commando four-barrel, a 440 Six Barrel, or the legendary 426 Hemi — and most dealers, by contemporary accounts, had a hard time moving them. The cars that looked like cartoons in 1970 are some of the most valuable Mopars in the world today, which is exactly the kind of irony this hobby runs on.
From Rust Shell to Race Car: Rebuilding a Barn-Found Legend
Hartford’s Superbird did not come from a museum or a collector’s heated garage. According to her own account and reporting on the build, the car had sat untouched for nearly three decades, gathering dust and rust in a barn before she took it on. What started as a forgotten, rust-covered shell became a full ground-up rebuild, with Hartford and her crew bringing the car back to life and repainting it in a period-correct Goodyear blue livery with the kind of racing logos it would have worn on a 1970 superspeedway.
It’s the kind of transformation that’s become Hartford’s signature — she’s built a following by taking on builds most shops wouldn’t touch, from drag-strip record attempts in built Mustangs to resurrecting cars other people had written off entirely. But the Superbird project stood out even by her standards, because the car’s second life wasn’t going to be judged on looks. It was going to be judged on a timing board at a Goodyear proving ground.
That’s also what separates this build from a typical barn-find restoration. Most rescued muscle cars get judged on paint, panel gaps, and whether the original drivetrain survived. Hartford’s crew had to solve a much harder problem: taking a chassis that had been sitting still for three decades and making it trustworthy at well over 200 mph, where a bad weld, a soft tire, or a misaligned wing can turn a celebration into a disaster. Getting invited to a facility like Goodyear’s San Angelo proving ground at all is a signal that the people who build and test tires for a living looked at this build and believed it could survive the attempt.
Why Goodyear Flew Her Out to Find Out How Fast It Really Was
Word of the finished build reached Goodyear’s corporate team, and the tire maker did something it rarely does for an independent build: it invited Hartford to test the Superbird at its high-speed proving grounds in San Angelo, Texas — the same kind of facility Goodyear uses to validate tires for NASCAR teams and manufacturers. Before she ever pointed the Superbird down the straight, Hartford warmed up behind the wheel of a Ford Shelby Mustang GT350 to shake off the nerves and learn the track, a reminder that even a 211-mph run starts with a driver getting comfortable in a very fast car first.
Then came the Superbird. Hartford’s first pass was a relatively modest 113 mph — a shakedown run to make sure a car that had spent thirty years parked wasn’t about to come apart at speed. It didn’t. On her next full-speed attempt, the Superbird clocked 206.4 mph. Encouraged by the Goodyear engineers on hand, who told her the factory NASCAR Superbirds of 1970 had reportedly topped out near 220 mph in period, Hartford made one more run. The car crossed the timing lights north of 210 mph.
A 200-MPH Number That Means More Than It Looks Like
For NASCAR fans, Hartford’s run echoes a specific piece of history: Buddy Baker became the first driver to officially break 200 mph in a NASCAR stock car, running a Dodge Daytona — the Superbird’s sister car — at Talladega Superspeedway on March 24, 1970, on Goodyear tires. Hartford’s barn-find Superbird running 206 and then over 210 mph on modern Goodyear rubber more than fifty years later isn’t just a viral number; it’s a direct callback to the exact moment that made these winged Mopars famous in the first place, achieved on a car built by hand rather than by a factory race team with a season’s budget behind it.
It’s worth being clear about what didn’t happen, too: this wasn’t a factory-backed, works-team Superbird, and Hartford’s build didn’t officially beat the original 1970 cars’ reported top speed. What she did prove is that a genuine barn-find Superbird, rescued from decades of neglect and rebuilt without a manufacturer’s checkbook, could still get within shouting distance of a number that scared an entire sanctioning body into rewriting its rulebook. That’s the kind of result that makes a fifty-year-old piece of NASCAR history feel current again.
What a Barn Find Proves That a Concours Restoration Can’t
There’s a reason stories like this one travel farther than another trailer-queen restoration reveal. A Superbird that’s been dialed in for a show floor tells you what the car looked like in 1970. A Superbird that’s been pulled out of a barn, rebuilt, and then driven past 200 mph on a real track tells you what the car actually was: a purpose-built race machine that happened to be sold with a warranty. Hartford’s run put the emphasis back on function over polish, and the reaction in the comments on her video — from longtime NASCAR fans invoking Buddy Baker’s name to Goodyear employees who spent careers building the tires underneath cars exactly like this one — shows how much that distinction still matters to people who grew up watching these cars race.
It also says something about where the muscle car hobby is headed. The generation that watched the wing cars dominate and then disappear from NASCAR is getting older, and projects like this one are as much about keeping that specific memory alive as they are about building a fast car. A Superbird that can still chase 220 mph more than fifty years after NASCAR decided it was too much of a threat to allow on track is a reminder that the rulebook changed, but the car underneath it never actually got any slower.
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