200-MPH, Turbo Hemi Street Car! The Ultimate Belvedere

David Meyer’s 1966 Plymouth Belvedere, built by coachbuilder Troy Trepanier and nicknamed “Northern Bel,” hides a 526-cubic-inch HEMI and twin rear-mounted turbochargers behind period-correct sheet metal. Featured on MotorTrend’s House of Muscle series, the restomod is reported to run 9-second quarter-miles at over 200 mph. Watch to see how a stock-looking ’66 Mopar hides that much firepower.

Most restomods pick a lane. They go fast, or they go beautiful, and asking for both usually means one of them suffers badly. David Meyer wasn’t interested in that trade-off when he handed his 1966 Plymouth Belvedere to coachbuilder Troy Trepanier, and the numbers that came back suggest he got away with something few builders manage. Under sheet metal that still reads as a factory-correct ’66 sits enough displacement and boost to make a modern hypercar nervous, yet nothing about the car’s exterior gives that away at a glance. The question isn’t really whether it’s fast. It’s how fast, what it actually took to keep that kind of power streetable, and why so few builders attempt this exact combination of a forgotten nameplate and an engine bay this ambitious.

A Family Build, Not a Shop Commission

Northern Bel isn’t a shop’s showcase car built to flip at the next big auction — it’s David Meyer’s personal project, brought to life by coachbuilder Troy Trepanier, a name well known in high-end restomod circles for blending period-correct styling with thoroughly modern drivetrains. MotorTrend frames the build around “passion and drive” combined with old-fashioned work ethic and family values, and that framing matters more than it might seem: this Belvedere reads less like a corporate concept car assembled for a magazine cover and more like one owner’s patient answer to what a 1966 Plymouth could have become if Chrysler had no budget ceiling and forty more years of engineering to draw from.

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526 Cubic Inches Under a Stock-Looking Hood

The heart of the build is a 526-cubic-inch HEMI, a displacement figure that dwarfs anything Chrysler ever offered in a mid-1960s B-body — the largest HEMI Plymouth sold to the public in this era displaced 426 cubic inches, the legendary “Street Hemi” that defined the brand’s muscle era. Trepanier’s team built a full 100 cubic inches past that factory ceiling, and from the outside the Belvedere gives almost none of it away: no hood scoop theatrics, no graphics package shouting about the engine bay, no aggressive stance that telegraphs what’s underneath. That restraint is deliberate. The whole point of Northern Bel is that it looks like an honest, well-preserved ’66 until someone hears it run or sees the numbers on paper.

Twin Turbos Where Nobody Would Look

Rather than relying on a supercharger poking through the hood, the build routes boost through twin rear-mounted turbochargers, tucked away from the engine bay entirely and largely invisible from a standard walk-around. It’s an unconventional packaging choice for a muscle car build, but it keeps the classic HEMI silhouette intact under the hood while still delivering serious forced induction to a 526-cubic-inch bottom end. MotorTrend doesn’t undersell the result, describing enough power to “launch it to the moon if you placed it vertically” — hyperbole, certainly, but it captures the gap between what this Belvedere looks like it should do at a stoplight and what it can actually do once the turbos spool.

What Northern Bel Actually Means

The car’s name ties directly back to its Belvedere roots and the northern build location associated with Meyer himself, a detail that keeps the project rooted in its owner rather than in a shop’s marketing department. It’s a naming convention MotorTrend leaned into for its House of Muscle series, treating each featured car as a personal story first and a spec sheet second — part of why the video spends its opening beats on craftsmanship, patience, and family before it ever works its way to horsepower figures or quarter-mile times.

The MotorTrend Treatment: House of Muscle

This build appears as Episode 3 of MotorTrend’s House of Muscle series, a format built around profiling exactly this kind of ground-up restomod, where the owner’s involvement and vision are treated as being as important as the fabrication work itself. Viewer reaction has been notably warm for a MotorTrend upload — several commenters specifically praised the shift toward this kind of build-focused storytelling, contrasting it favorably with some of the channel’s other recent content, which suggests the format is resonating with an audience that wants substance over spectacle.

Nine-Second Quarters From a ’66 Mopar

The most eye-catching detail in the comment section comes from viewers who claim to have seen the car run in person: one comment pegs Northern Bel at high-8 to 9-second quarter-mile times with a top speed north of 200 mph — remarkable figures for a 60-year-old body shell riding on a modern chassis, suspension, and drivetrain. That kind of performance puts a restomod ’66 Belvedere in company with dedicated purpose-built race cars, not weekend cruisers, while the exterior still passes for a well-kept survivor parked at a Sunday car show.

Why Restomod Belvederes Stay Rare

Compared to Camaros, Mustangs, and even other Mopars like the Charger and Challenger, the Belvedere rarely gets this kind of high-dollar restomod treatment, which makes Northern Bel something of an outlier in the build world. Its rarity as a donor car, combined with the sheer scale of the drivetrain swap — a 526-inch HEMI, twin rear turbos, and a chassis built to actually handle that output — is part of why a project like this takes a dedicated coachbuilder and years of fabrication rather than a weekend in a home garage. It also explains why builds at this level stay rare even among well-funded enthusiasts with access to top-tier fabrication shops.

An Overshadowed Nameplate Gets Its Due

For a car built around a nameplate that often gets overshadowed by its more famous Mopar siblings, Northern Bel makes a strong case that the Belvedere deserves more attention from the restomod world. It combines a genuinely obscure donor car with an engine package that would be newsworthy in anything, and the fact that it can still be mistaken for a stock ’66 from across a parking lot is arguably the most impressive part of the entire build. That combination of restraint and raw output is exactly what the House of Muscle format seems designed to showcase.

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