Hurst Quietly Built a Front-Wheel-Drive 442 in 45 Days to Beat a Rule Even GM Couldn’t Break

In 1967, Hurst had just 45 days to solve an impossible problem: GM had capped its intermediate cars at 400 cubic inches, but Hurst wanted a 455 in a 442. Their answer was to graft an entire Oldsmobile Toronado underneath it, creating a one-of-one front-wheel-drive muscle car nicknamed the ‘Fournado.’ It vanished for nearly 50 years before Jay Leno finally got to drive it.

In late 1967, engineers inside Hurst Performance took a brand-new 1968 Oldsmobile 442 and did something no factory muscle car had ever attempted: they ripped out its rear-wheel-drive underpinnings and grafted in the entire front-wheel-drive powertrain of an Oldsmobile Toronado. This wasn’t a showmanship exercise. It was a loophole. General Motors had capped every intermediate-sized car in its lineup at 400 cubic inches since 1965, and the only way to legally stuff a 455-cubic-inch V8 into a 442’s engine bay was to borrow the one platform in Oldsmobile’s stable the rule didn’t touch. Hurst had 45 days to make it work, GM quietly handed over the donor cars, and the result — nicknamed the “Fournado” — then disappeared from public view for the better part of five decades, unrecognized by most of the people who owned it. Fred Mandrick, a lifelong 442 collector known simply as “Four-Four-Two Fred,” is the man who finally tracked it down.

The story resurfaced when automotive appraiser Donald Osborne brought the car to Jay Leno’s Garage, where Leno finally got behind the wheel of a machine he says he’d only read about in old magazine clippings for decades. Mandrick joined them to walk through the car’s history in person — from its secret construction at Hurst to the years it spent going overlooked before he tracked it down. Osborne, one of the most frequently consulted appraisers in the classic car world, treats the car less like a curiosity and more like a piece of documented GM engineering history, and that framing shapes the entire episode.

What makes the episode worth watching isn’t just the rarity, though a one-of-one prototype qualifies on its own. It’s the way Osborne and Leno methodically point out the tells: the Toronado’s distinctive wheels, the reshaped front fenders, the way the car rides noticeably softer than a stock 442 because it’s carrying a completely different front suspension design underneath. Leno notes on camera that the car feels “more comfortable” than its rear-wheel-drive sibling — a strange compliment for a muscle car, and exactly the kind of detail that makes this more than a static museum piece. Viewers picked up on the same thing, with several commenters singling out the Toronado wheels as the giveaway the moment the car appears on screen.

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The driving impressions matter here too. Leno and Osborne spend real time on how the car behaves on the road, not just what it looks like sitting still — the softer ride, the different weight distribution from carrying its drivetrain over the front wheels instead of behind it, the way the steering feel changes with a transaxle doing double duty as both gearbox and final drive. Those are the kinds of details that separate a genuine engineering exercise from a car built purely to be photographed, and they’re a big part of why this episode plays more like an archaeological dig than a typical barn-find reveal.

The Loophole Hiding in GM’s Own Rulebook

To understand why Hurst went to this much trouble, you have to understand GM’s internal politics in the mid-1960s. When the A-body intermediates launched in 1964, corporate policy barred them from carrying anything larger than a 330-cubic-inch V8. Pontiac’s GTO blew past that rule anyway and sold well enough that GM raised the ceiling to 400 cubic inches for 1965 — a number that held firm across Chevrolet, Pontiac, Oldsmobile, and Buick’s mid-sized cars all the way through the 1969 model year. It’s the same rule that kept the era’s biggest engines — Buick’s 455, Pontiac’s 421 and 428, Oldsmobile’s own 455 — locked out of the class of car buyers actually wanted them in, forcing each division to market its 400-cubic-inch-or-smaller intermediates as the top of the muscle car line even though bigger iron sat one showroom over in the full-size lineup.

The rule didn’t get torn up until 1970, when Chrysler’s dominance in the horsepower wars finally forced GM’s hand and all four divisions were cleared to drop 454s and 455s into their A-bodies — the engines that would define the Chevelle SS454, GSX, and the 442 W-30’s own final and most powerful factory form. But that was three years away when Hurst set out to build this car in 1967. The 442 was locked at 400 cubic inches. The Toronado, GM’s front-wheel-drive personal luxury coupe, was not — it already carried a 455. Hurst’s engineers realized that if they weren’t adding a bigger engine to a 442, but rather transplanting an entire Toronado driveline wholesale, the letter of GM’s rule was never actually broken. It was simply routed around.

How Hurst Fused a Toronado to a 442 in 45 Days

The build itself is the part that separates this from a garage hot-rodder’s dream. Hurst took a Toronado engineering mule and a brand-new 1968 442 and, over 45 days, transplanted the Toronado’s entire 455-cubic-inch V8, its front-wheel-drive transaxle, and its front torsion-bar suspension into the 442’s smaller A-body shell. To make the two different chassis architectures meet, Hurst’s fabricators sectioned the 442’s front fenders, moved the wheel openings forward to clear the Toronado’s front-drive geometry, pushed the radiator further forward, and joined the Toronado frame to the 442 frame roughly halfway down the car’s wheelbase — effectively splicing a full-size luxury coupe’s front end onto a mid-size muscle car’s rear end and making the seam disappear under factory-quality bodywork.

None of this was done in secret from GM, either — the automaker supplied both donor vehicles, which tells you this was sanctioned engineering research as much as it was a rule-skirting exercise. The stated goal was to prove that a high-performance, front-wheel-drive car was viable in an intermediate body, a question GM’s own engineers were genuinely curious about years before front-wheel drive became the industry default it is today. Hurst’s other, more famous front-drive experiment from the same era — the twin-engine, all-wheel-drive “Hairy Olds” drag exhibition car — gets more attention in muscle car circles, but the Fournado is arguably the more serious engineering statement of the two, since it was built to be driven on the street rather than staged as a spectacle.

The Overlooked Owner Who Almost Erased Its History

What happened to the car after Hurst finished it is almost stranger than the build. Rather than staying in a corporate collection, the Fournado was quietly placed with a GM dealership, and the buyer who drove it away had no idea he was piloting a one-of-one factory experiment. He simply used it as a daily driver, racking up roughly 116,000 miles before finally parking it for good in 1986. From there it sat, unrecognized for what it was, until word of its whereabouts eventually reached exactly the right person.

Mandrick’s decades of dedication to Oldsmobile’s 442 line put him in the right rooms at the right time to learn where the car had ended up. He bought it directly from that original owner in 2012 and set about restoring it. The restoration work shows: viewers of the original episode singled out the paint, chrome, and trim work as close to flawless, a detail that matters for a car whose entire value proposition rests on being a faithful, driveable record of what Hurst actually built rather than a reimagined tribute. Without Mandrick’s specific interest in tracking down 442 oddities, there’s a real chance this car simply stayed forgotten instead of ending up on a Jay Leno’s Garage episode.

Why Factory Experiments Like This Command Serious Collector Interest

Documented one-off factory engineering cars occupy a different tier of the collector market than even the rarest limited-production muscle cars. A numbers-matching Hemi Superbird or a genuine W-30 442 is rare because only a few hundred left the factory; the Fournado is rare because exactly one exists, was built with GM’s direct cooperation, and answers a real engineering question rather than simply chasing a quarter-mile time. That distinction — production rarity versus true one-of-one engineering provenance — is exactly why appraisers like Osborne treat cars like this with a different level of seriousness than a garage-built resto-mod, no matter how well executed the resto-mod is.

It would be easy to file the Fournado away as a footnote — a weird one-off built to dodge a rule that no longer exists. But it’s worth sitting with what Hurst actually proved in 1967: that a front-wheel-drive intermediate car with a big-block engine could be built, driven, and made to ride comfortably, more than a decade before front-wheel drive became the default architecture for mainstream American cars. GM’s engineers were using a muscle car loophole to quietly answer a question about the industry’s future, and fifty years later, that combination of accidental preservation and deliberate engineering is exactly why this particular 442 earns the attention of people like Jay Leno and Donald Osborne.