At first glance, Jay Leno's latest garage guest looks like a time capsule pulled straight out of 1969. The proportions are spot on, the stance looks factory correct, and every surface carries the confidence of an original 1969 Ford Mustang Boss 429. But once Jay starts driving, it becomes clear that this car is not a restoration or a restomod. It is something far more ambitious, a ground-up re-engineering masterpiece built by Revology that finally fixes the legendary muscle car’s biggest issues. A Classic Look Built From The Ground Up Unlike most restomods, Revology does not start with original Mustangs or donor cars. Instead, the company builds entirely new vehicles using brand new steel bodies, modern manufacturing techniques, and Ford Performance hardware. This approach allows the company to preserve the look and character of iconic Mustangs, while delivering consistency, reliability, and structural integrity that vintage cars simply cannot match. And although this Boss 429 may look like history, it behaves like a modern performance car.The original Boss 429 earned its legend through rarity and raw power, yet it was never a well-balanced platform. Its massive iron engine sat far forward in the chassis, creating a front heavy feel that punished cornering and steering response. Tom Scarpello, Revology’s CEO, explains to Jay that this imbalance defined the car’s driving personality in the worst ways. It was fast in a straight line, but clumsy everywhere else, which made it thrilling to own, but even more frustrating to drive hard.Jay Leno Garage / Youtube Revology’s solution starts with replacing the old big block entirely. In its place sits a supercharged Gen 4 Coyote V8, the same Mustang Dark Horse based engine found in Ford’s modern performance lineup. This engine produces over 710 horsepower and delivers smooth, predictable torque across the rev range. More importantly, it weighs far less than the original iron unit, in fact it weighs 3,980 lbs, which is 425 lbs lighter than the 2025 Ford Mustang GTD, dramatically improving weight distribution and front end response. The result is a car that feels alert and planted rather than nose heavy.It feels like my GTD - Jay LenoThat improved balance becomes obvious the moment Jay starts pushing the car through corners. Steering feels precise and communicative, body motions stay controlled, and the chassis never feels overwhelmed by the engine’s output. This is not a car that demands respect through intimidation and a loose rear end, but instead rewards smooth inputs, which is something the original Boss 429 never truly achieved.Jay Leno Garage / Youtube Underneath the classic sheet metal sits an entirely modern structure. Revology uses CAD design, automated spot welding, and structural adhesives to create a chassis that is far stiffer than anything produced in the 1960s. That rigidity improves everything from ride quality to noise control while also enhancing safety. Jay notes how solid the car feels, free of squeaks or flex, even on imperfect roads. It feels like a modern coupe that just happens to wear vintage styling.You’d like to think that if this car stayed in production, this is what it would’ve evolved to. - Jay Leno An Interior That Matches The Engineering Jay Leno Garage / Youtube Inside, the transformation continues in a more subtle but equally impressive way. The cabin rejects flashy screens or overdone technology, instead focusing on craftsmanship and materials. Genuine walnut veneers, bespoke metal controls, and premium leather sourced from Rolls-Royce creates an environment that feels expensive without feeling modern for the sake of it. Every surface feels intentional, reinforcing the idea that this is aluxury performance car disguised as classic muscle.Jay Leno Garage / Youtube The electrical system also reflects the same philosophy. Revology integrated a hybrid CAN bus architecture that reduces wiring by 75 percent compared to vintage Mustangs. This simplifies troubleshooting, improves reliability, and allows for modern conveniences like power mirrors and a Harman Kardon audio system. Oh, and did we mention weight reduction? The Boss 429 Finally Reaches Its Potential Jay Leno Garage / Youtube By the end of the episode, Jay makes it clear that this Revology Boss 429 is about finishing a story that never reached its potential. With modern engineering and obsessive attention to detail, Revology has created the Mustang that the original Boss always wanted to be. It looks like a legend, drives like a reimagined modern masterpiece, and shows that respecting the past does not mean you have to be trapped by it. More Retromod Takes Worth Obsessing Over Ringbrothers Revology is not the only builder reshaping classic car culture. ECD Automotive Design focuses on luxury driven retromods with modern powertrains and handcrafted interiors that feel closer to a low-volume automaker than a restoration shop, while Ringbrothers go all in on extreme performance and visual impact using carbon fiber bodywork, modern chassis engineering, and outrageous power, which is exactly why both deserve a closer look. Mustang Restomod Build Comparison Table ECD Auto Design: 1967 Ford Mustang "Ghost" ECDECD’s 1967 Ford Mustang Ghost reimagines the classic Mustang Fastback as a car you can actually drive every day without losing its soul, pairing a 465 horsepower Roush built 347 V8 with a Roadster Shop RS Spec chassis that delivers modern handling without killing the car’s raw character. Finished in High Gloss Mineral White with Santorini Black Metallic rally stripes, the exterior stays true to Mustang heritage while the interior blends heated Recaro seats, a brushed aluminum dash, and classic gauges with Apple CarPlay, premium JBL audio, and remote start. The result is a timeless restomod that looks vintage, feels modern, and proves ECD is building Mustangs meant to be driven hard and often, not parked and locked in a bubble. Ringbrothers 1969 Mach 1 Mustang "Kingpin" RingbrothersRingbrothers’ 1969 Mach 1 “Kingpin” answers the question of what a Mach 1 would look like if Ford built it today, keeping the iconic fastback shape while packing thoroughly modern hardware underneath. Power comes from a Whipple supercharged 5.0 liter Coyote V8 pushing well north of 800 horsepower, routed through a Bowler Carbon Edition six speed manual and a custom Ringbrothers exhaust that sounds as aggressive as the car looks. Finished in BASF Glasurit Bootleg Black over massive HRE wheels, with Brembo brakes and a Roadster Shop FAST TRACK suspension with independent rear, Kingpin combines insane performance, modern control, and classic muscle in a way that feels like factory concept.