Electrogenic’s Seven Classic-Car EV Kits Bolt In Without Permanent Body Changes
The central engineering choice behind Electrogenic’s classic-car conversion kits is what the installer does not do: cut, drill, weld or bend the original vehicle structure. Instead, the electric motor, reduction gearbox and battery enclosures attach at existing engine and transmission mounting points. Removed combustion components can be stored, leaving owners the option of reversing the conversion later.
That non-destructive approach now covers seven vehicle families: 1948-1985 Series Land Rovers, 1983-2016 Land Rover Defenders, Jaguar E-Types, 1974-1994 Porsche 911s, the DeLorean DMC-12, 1959-2000 classic Minis and 1989-1997 first-generation Mazda MX-5 Miatas. Electrogenic also offers a pared-down Defender package for agricultural use and has several more applications under development. The company lists its current conversion-kit range and installer model online.
Calling these packages “drop-in” can understate the work required before a customer kit reaches an installer. A typical application consumes approximately 500 engineering hours over at least six months. Engineers scan the original drivetrain under load, map the spaces available around the chassis and body, and then package the battery boxes, cooling plumbing, wiring, electronics and reduction gearbox around the vehicle’s fixed geometry.
Computer simulation is followed by installation, adjustment and road testing. Where a model was sold in both steering configurations, Electrogenic tests left- and right-hand-drive versions. That matters because steering gear, pedal hardware and other components can occupy packaging space needed for high-voltage cables, cooling lines or enclosures.
A kit still has to behave like one integrated vehicle
Electrogenic purchases new motors, batteries and Combined Charging System hardware from outside suppliers. It develops its gearboxes, battery enclosures, software and many electronic components internally. This division lets the company use established propulsion and charging hardware while controlling the parts that determine packaging, calibration and interaction with each classic platform.
One example is its dashboard control unit, which translates digital information from the electric powertrain into signals that legacy instruments can display. Without that interface, retaining a period-correct dashboard would be difficult even if the motor and batteries physically fit. The conversion therefore requires controls integration as well as mechanical installation.
The reduction gearbox illustrates another constraint. Electrogenic spent nearly two and a half years refining a quiet gearbox able to handle the Jaguar kit motor’s 15,000-rpm speed. In the tested Jaguar conversion, the system produced 475 pound-feet of torque, compared with 285 pound-feet attributed to the original V12. However, its output was 50% below the initially promised 245 horsepower. The figures show why a conversion cannot be judged from peak motor specifications alone: gearing, noise, thermal behavior and vehicle-level calibration all shape the usable result.
Components can carry across multiple kits, but mounts, enclosures, routing and software tuning remain model-specific. Founder and CEO Steve Drummond described the objective as bringing out a vehicle’s best characteristics while addressing its weakest ones. In engineering terms, that means calibrating the common electric hardware around the mass, gearing requirements, available volume and intended use of each platform rather than offering one universal crate system.
Repeatability shifts work but does not eliminate it
For U.S. customers, the kit model avoids sending a complete vehicle to Electrogenic’s operation near Oxford, England. The company had 13 approved installers, including four in the United States and one on Canada’s West Coast. On August 10, 2026, it also acquired TREMEC Electric GT and established a U.S. base in Huntington Beach, California, adding local technical support and potential North American manufacturing capacity.
Installer Shinoo Mapleton characterized the complete package as valuable because a shop does not have to search for miscellaneous parts needed to finish the job. That repeatability can reduce fabrication and integration uncertainty, but it does not turn a decades-old car into a standardized starting point. Partner shops must verify that the chassis and body are structurally sound and correct existing faults because restoration work is not included.
Regional compatibility also requires validation. A reported mismatch between European and North American Combined Charging System protocols took almost a year to correct. It is a useful boundary on the “drop-in” description: mechanical fit does not guarantee that charging hardware and communications will operate correctly in every market.
Cost remains the most visible constraint. One owner said the kit and installation for his 1995 Defender totaled $110,000, excluding the vehicle and any restoration. These packages therefore make the most practical sense where an owner values a particular classic, wants a reversible installation and is willing to pay for model-specific engineering. The mounting strategy preserves the car, but the vehicle’s condition, regional charging integration and six-figure installed cost still determine whether the conversion is workable.
By Robert McKinney — Editor-in-Chief for AMI’s automotive and mobility coverage, with a mechanical engineering background and a decade reporting on powertrain systems, EV innovation, and global vehicle manufacturing.
