One classic car owner did everything right over a long winter in the garage — then found out a stuck parking brake could end a spring drive in minutes. We break down the real storage mistakes that quietly wreck engines, tires, and brakes on classic and muscle cars, using advice from veteran UK dealer Derek Mathewson and dozens of owners who have learned the hard way.
A classic car doesn’t need a crash to get destroyed — sometimes all it takes is a garage, a long winter, and one small decision made back in October. One owner recently described tucking away a beloved Triumph Stag before the cold set in, doing everything by the book, then pulling it out on the first warm spring day for a drive to get fish and chips. The car made it as far as Doncaster before the brakes seized solid. It’s the kind of story that veteran classic car dealer Derek Mathewson — the man behind the hit UK series Bangers & Cash — has clearly heard more than once, and it’s exactly why he built an entire episode around the mistakes that ruin cars in storage rather than on the road. For muscle car owners whose big-blocks, carburetors, and decades-old rubber components are even more vulnerable than a modern classic, the stakes are higher, and the fixes are simpler than most people think.
In “How To Store A Classic Vehicle Over Winter,” part of his ongoing Education series, Derek Mathewson — founder of Mathewsons Classic Vehicle Auctions and star of Bangers & Cash — walks through the dos and don’ts of parking a collector car for the cold months. Mathewson has spent more than 50 years in the classic and collector car trade, and the video treats winter storage as a discipline with real consequences, not an afterthought before the cover goes on.
What makes the video worth watching isn’t just Mathewson’s own advice — it’s the flood of real-world experience underneath it. Owners from Norway to Canada to California chimed in with their own storage routines, and their stories line up on the fundamentals even when their winters look completely different: keep the car dry, keep the fuel system clean, and keep the tires and brakes from taking the brunt of months of stillness.
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Why Muscle Cars Are More Fragile in Storage Than Modern Classics
Muscle cars carry a version of this problem that newer classics don’t. Most were built with carburetors rather than fuel injection, and carburetors are far less forgiving of stale gasoline — the same varnish and gum that can clog a modern fuel injector will gum up a jet or float bowl and leave a numbers-matching big-block refusing to fire in April. Ethanol-blended pump gas, standard across most of the U.S. since the 2000s, makes this worse. Ethanol attracts moisture and can accelerate the breakdown of fuel lines, gaskets, and seals — many of which, on an original muscle car, are the same rubber components that have already spent 50-plus years slowly hardening.
Tires are the other quiet casualty. A muscle car sitting on reproduction bias-look tires or modern radials will develop flat spots wherever the tread meets the floor if it sits under the car’s full weight for weeks at a time, a problem that gets worse in cold weather and with underinflated tires, according to tire manufacturers including Michelin and Continental. Most of that flattening works itself out after a few miles of driving, but tires left under load for a month or longer can flat-spot permanently.
Older ignition systems add a third layer most owners don’t think about until it bites them. Muscle cars built before the mid-1970s typically ran points-and-condenser ignition rather than the sealed electronic systems that came later, and points can pit or corrode from sitting unused in a damp garage just as easily as they wear out from driving. Combined with a carburetor’s open float bowl — which has nothing sealing it from the humid air around it the way a fuel injector does — a muscle car left untouched for months is dealing with corrosion risk at both ends of the fuel and ignition path at once, not just one weak point the way a fuel-injected modern classic is.
The Brake Mistake That Ends a Winter of Careful Storage
Of everything covered in the video, the point that generated the most agreement in the comments was the parking brake. Setting it and walking away for months is one of the most common storage habits — and one of the most damaging. Left engaged, a parking brake keeps the pads or shoes pressed against the rotor or drum for months on end; rust builds in that contact patch, and by spring the pads can genuinely fuse to the metal. Mechanics and storage guides consistently recommend leaving the parking brake off entirely and using wheel chocks to keep the car from rolling instead — a small change that costs nothing and prevents exactly the kind of stuck-brake surprise that ended one owner’s spring drive at the side of the road.
Fuel System: The Part Most Owners Get Wrong
The comments underneath the video amount to a crowdsourced checklist, and fuel comes up in nearly every one. The advice splits into two camps — top off the tank with fresh fuel and a stabilizer like Sta-Bil to prevent the ethanol-related gumming described above, or drain the system entirely and store it dry. Sta-Bil’s manufacturer says the product is designed to keep stored fuel usable for up to 24 months by neutralizing acids and coating metal surfaces to prevent corrosion. What doesn’t work is leaving a half-empty tank alone for months, which leaves room for condensation to form and gives ethanol more surface area to attract moisture. One commenter, describing a pair of 1960s Alfa Romeos he’s owned for 50 years, laid out a more thorough version of the process: drive the car hard enough to fully warm the oil and clear condensation from the exhaust, change the oil and filter, fill the tank with stabilized fuel, then pull the spark plugs and squirt a little oil into each cylinder before storage to protect the cylinder walls over winter.
Batteries, Humidity, and the Small Stuff That Adds Up
A dead battery is the most obvious failure after a winter of storage, and the fix is simple: disconnect it, or keep it on a trickle charger or maintainer like a CTEK throughout the off-season rather than letting it sit and slowly self-discharge. Humidity is the less obvious threat. Several owners in the comments credit a garage dehumidifier with keeping brake discs rust-free and the whole car dry through winter, and more than one pointed out that cars should be covered with breathable material — a wool blanket or a proper car cover — rather than plastic sheeting, which traps moisture against the paint instead of letting it escape. Rodents are the final item nobody wants to think about: an engine bay left undisturbed for months is an inviting home for mice, and a quick check before spring startup can save a chewed wiring harness.
Protecting Paint, Chrome, and Trim While It Sleeps
Mechanical damage gets most of the attention, but a winter of poor storage can quietly cost a muscle car just as much in cosmetic value. Trunk floors, lower quarter panels, and rocker panels are already the rust-prone zones on most classic-era unibody and body-on-frame cars, and trapped moisture from a plastic tarp or a leaky garage roof will find those spots first. Chrome bumpers and trim are more porous than they look, and pitting can set in over a single damp winter if they aren’t wiped down and lightly waxed before the cover goes on. Vinyl tops and interior vinyl or leather are vulnerable to a different kind of damage: cold makes them brittle, and a cover or interior surface flexed while stiff from the cold is far more likely to crack than the same material handled in warmer weather. None of this requires expensive products — a clean, dry car, a coat of wax on the paint and chrome, and a breathable cover handle almost all of it.
Waking a Classic Up the Right Way in Spring
The video and its comments agree on one more point that’s easy to skip: don’t just turn the key on the first warm day. Check fluid levels, reconnect the battery, and — if the plugs were pulled and the cylinders oiled — crank the engine over without the plugs installed first to build oil pressure and distribute that protective coating before firing it up. Then start the engine and let it idle up to full operating temperature before driving, rather than heading straight onto the highway. Give the brakes an extra few gentle presses at low speed before the first real drive, too — even with the parking brake left off all winter, service brakes that haven’t moved in months can feel soft or grabby until they’ve cycled a few times.
It’s the same discipline the video opens with: a classic car rewards patience in the fall and again in the spring, and it punishes owners who treat it like an appliance instead of a machine that’s been asleep for months. That patience matters more now than it used to. Muscle cars that once sat in driveways as daily drivers are increasingly treated as appreciating collector pieces, and a single bad winter — a stuck brake, a gummed carburetor, a rusted trunk floor — can cost real money to undo on a car that was otherwise sound. The fixes covered here cost a stabilizer bottle, a battery maintainer, and an afternoon of prep, which is a small price for a car that’s meant to still be running strong next spring, and the spring after that.
Watch the full video above and let us know your own winter storage routine in the comments.











