The Myths And Most Common Misconceptions About EV Conversions (And What We Actually See Every Day)
At Fuel2Electric, a big part of our work doesn't happen in a workshop. It happens on calls.
Every single day, our team spends hours talking with people who are genuinely curious, genuinely excited, and, let's be honest, genuinely confused about what it actually takes to convert a car to electric. These aren't sales calls. They're education calls. They're reality checks. They're the conversations where someone's dream of electrifying their grandfather's Mustang meets the actual physics, budget, and engineering required to make it happen.
And here's what we've learned after thousands of these conversations: the difference between a successful conversion and a frustrating money pit usually comes down to understanding what you're actually getting into before you start.
So let's talk about the misconceptions we hear most often, and what we explain when someone asks us the real questions.

"It's the greenest thing I can do for an old car"
People love this idea. You're saving a classic from the scrap yard, reusing an existing chassis, avoiding all that manufacturing emissions from building a new car. It feels like the ultimate sustainability move, right?
Well, yes and no.
Converting a vehicle to electric is absolutely more sustainable than scrapping it and buying new. But not all conversions are created equal when it comes to environmental impact. If you're converting a 6,000-pound truck that was never aerodynamic to begin with, it's still going to be a 6,000-pound brick. You'll need a massive battery to get a reasonable range, and that's also why we recommend reusing salvaged battery packs. The last decade has proven these packs are incredibly durable: they retain 80 to 85% capacity even after 200,000 miles. Real-world data from millions of EVs shows these batteries outlast the vehicles they came in, making them perfect for giving both the pack and your classic a second life. That's where the sustainability story really shines.
The conversions that make the most environmental sense? Lightweight, relatively efficient platforms. A 2,400-pound VW Beetle or a 2,800-pound Datsun 240Z becomes incredibly efficient when electrified. The fancy word now is efficiency. The better you are at designing your EV setup, the more efficient and durable it will be. Example: Do you need a large battery pack or fast charging, or both?
We're not saying don't convert the heavy truck. We're saying understand what you're optimizing for, because "green" is only one part of the equation.
"It's way cheaper than buying a new EV"
This is the one that catches people off guard every single time.
Here's the reality: a proper EV conversion is not a budget project. Batteries cost money. Motors cost money. Controller, On-Board Charger, DC-DC converter, custom fabrication, safety systems, wiring harnesses, it all adds up fast. When you add skilled labor to design, integrate, and troubleshoot a one-off system built specifically for your vehicle, you're often looking at costs that rival or exceed buying a new production EV.
"Wait, so why would I convert instead of just buying a new EV?"
Because you're not buying the same thing. When you buy a new EV, you get a mass-produced vehicle that looks like every other one on the road. When you convert, you're paying for custom engineering, problem-solving specific to your exact vehicle, and the ability to keep driving something that actually means something to you. You're paying to turn your 1967 Camaro into a daily driver again, or to give your grandfather's Caddy a second life that could last another 40 years.
It's not about saving money. It's about spending money on something you actually want to own.
Curious about the cost and benefits of converting your vehicle to electric? Try our EV conversion cost calculator to get personalized estimates instantly!
"It's basically just swapping the engine for a motor, right?"
If only. Spoiler alert: no engine swap is ever truly “basic” either.
This is where expectations and reality have a serious conversation. An EV conversion is a complete system redesign. You're not bolting in a replacement parts, you're building an entirely new high-voltage electrical architecture inside a vehicle that was never designed for it.
Think about what actually has to happen. You need to figure out where the battery goes, and it needs to fit in multiple locations because one giant box rarely works. You need to route high-voltage cables safely through the chassis. You need cooling systems. You need to replace the alternator with a DC-to-DC converter that feeds the 12-volt system, although everything from your lights to your radio still runs on 12 volts and stays completely untouched.
When no kit is available (check out our kits!), every conversion becomes unique, because every vehicle is. That's what makes this so intellectually challenging and genuinely fun. You're reimagining a piece of engineering that rolled out of a factory decades ago and figuring out how to make it modern again while keeping everything that made it special in the first place.
"It'll drive just like a Tesla"
Here's the thing: most people don't actually want it to drive exactly like a Tesla. And that's a good thing, because that's not what we're building.
When people convert classics, they almost always prefer keeping things analog. We use AC motors because they're widely available in the aftermarket and proven reliable, but nobody's asked us for Full Self-Driving yet. People actively avoid adding LIDAR systems and 360° cameras where they don't belong. We're not replacing mirrors with camera screens. The whole point is to keep the car looking and feeling exactly the same as it did before: same dashboard, same gauges, same driving experience, just without the fumes, the smell, the oil leaks, and the constant tinkering.
Think of it this way: it's fundamentally built on the same proven electric technology as a Tesla, but we're keeping only what makes sense for the driving experience you actually want. The instant torque, the smooth power delivery, the one-pedal drive combined with regen braking, the reliability. That's all there. The touchscreen takeover of every function? The autopilot cameras everywhere? We leave that behind.
Because we're focused on the pleasure of driving.
"No more oil changes means no more maintenance"
EVs have fewer moving parts than gas engines, and yes, you'll never change air filter or spark plugs or mess with a carburetor again. That part is absolutely true.
But here's what doesn't change: you're still driving an older vehicle. The suspension still needs attention. Brakes still wear out (less but still). Wheel bearings still age. The Battery Management System monitors the whole electrical system for you and keeps everything running smoothly, though you might need to swap an occasional fuse like you would in any car.
Maintenance doesn't disappear when you convert, it shifts. You're trading engine maintenance for electrical system monitoring. For most people, that's a huge improvement. You're driving more and wrenching less. And here's the real transformation: before conversion, your classic was probably under maintenance more than it was on the road. After conversion, it's on the road more than it's under maintenance. That's the number one goal, and that's what we see happen again and again.
"Any good mechanic can handle it"
This is the misconception that worries us most, because it's where safety becomes a real concern.
EV conversion is not regular automotive work. It requires specialized knowledge in high-voltage systems, battery integration, proper isolation procedures, and electrical safety protocols. A shop that's excellent at building race engines or restoring classics doesn't automatically know how to safely work with 400-volt battery packs.
Choosing the wrong shop can result in poor performance and quickly push the project over budget, yes. But it can also result in actual safety risks: fires, electrical faults, systems that fail in dangerous ways.
This is exactly why we spend so much time on those education calls, and why the second part of what we do matters so much. We're not just explaining what EV conversion involves, we're connecting people with builders who actually know what they're doing. Shops that have the training, the experience, and the safety protocols to do this work properly.
We've built a network across 23 US states (Apr. 26), Canada, and expanding into the UK and Australia specifically because we know this matters. When someone calls us excited about converting their truck, our job is to connect them with someone who won't just take their money but someone who'll do it right.
Why we have these conversations
Those education calls aren't a formality. They're not a hurdle to get through before the "real work" starts. They are the real work.
Because here's what we've learned: every successful conversion starts with realistic expectations. It starts with understanding what you're actually building, what it will cost, what it will do well, and what limitations it will have. It starts with knowing that, without a kit, this isn't a simple swap, it's a custom engineering project.
When expectations align with reality, amazing things happen. People end up with vehicles they drive constantly, vehicles that bring them joy every single time they get behind the wheel, vehicles that combine everything they love about the original with the reliability and performance that makes them actually usable.
When expectations don't align with reality, projects stall out halfway through, budgets explode, and that dream car sits in a garage becoming a source of frustration instead of pride.
So we spend the time upfront. We ask questions. We listen to what you actually want to do with the vehicle. We look at your budget, your timeline, your expectations. We explain what's realistic and what isn't. And then, we connect you with the right builder for your specific project.
Because we're not trying to sell you a conversion. We're trying to help you get the right conversion, built by people who know what they're doing, based on a clear understanding of what you're actually getting into.
What this looks like in practice
Someone calls us about converting their 1972 Bronco. They've seen some builds online, they're excited about the idea, and they think it'll cost about $8,000.
We have a conversation. We talk about what they want to use it for. Daily driver? Grocery getter? Weekend adventure vehicle? Show truck that gets driven occasionally? We talk about range expectations, budget realities, component options. We explain why a 3,500-pound truck needs a different approach than a 2,500-pound sports car.
Sometimes the conversation ends with them realizing this isn't the right project for them right now, and that's okay. Better to know before spending money.
More often, it ends with a much clearer picture of what's actually possible, what it will actually cost, and what builder in their region specializes in exactly this type of build. We make the introduction. The builder and the client have a detailed conversation. A realistic plan gets developed. The project moves forward with everyone on the same page.
That's what success looks like. Not a quick sale, but a good match.
The bottom line
EV conversion is genuinely exciting. It's a way to save vehicles that would otherwise be scrapped, to give classics a second life that could last decades, to keep driving something you actually love instead of settling for whatever's mass-produced.
But it only works when it's built on honest understanding.
So yeah, we spend our days on education calls. We spend time explaining the reality behind the hype, setting realistic expectations, and connecting people with builders who will deliver what they're actually promising.
Because when it's done right, an EV conversion is one of the most rewarding automotive projects you can do.
You just have to understand what you're getting into first.
And that's exactly what we're here for.
Sources: (1) Geotab is one great source of information where you’ll find information about degradation (under 2% per year, slower than theoretical studies showed) https://www.geotab.com/uk/press-release/2024-battery-degradation/ (2) Recharged is a bit more optimistic with 80% capacity retained after a decade and 20+ years of use. “150,000–300,000 miles before major degradation becomes an issue” https://recharged.com/articles/how-long-does-ev-battery-last (3) Finally, Techradar presents Generational’s study results, https://www.techradar.com/vehicle-tech/hybrid-electric-vehicles/a-massive-new-ev-survey-just-dispelled-the-biggest-myth-about-electric-car-batteries + check out the comment at the bottom of the article “The fuel tank capacity in my 12-year old car was 70 litres when it was brand new. 12 years later, it is still 70 litres.” Love it! |
Discover the Process | Do you really know Fuel2Electric? |





