
Featured EV Conversion Projects
using the 1.90:1 ev - TorqueBox®, a reduction gearbox
REVOLT SYSTEMS
BUILDING A WINNER BY ELECTRIFYING A
1980 GMC SIERRA

TRIUMPH GT6 CONVERTED BY E-DRIVE RETRO
Imagine a world where your vintage vehicle doesn’t leave lakes of oil and plumes of smoke everywhere it goes. Retro-Ev can turn that gas-guzzling vintage vehicle into a clean, green electric machine.
The company has developed a plug-in electric drivetrain of its own design that can replace the internal combustion drivetrain of cars built from the 1950s through the1970s.
Their goal is to create a whole new category of cars: Electric Vehicle Classic Car Conversion.
Photo credit: Retro-Ev.com
ECOCAR
EcoCAR is a 4-year competition in which a team of future leaders, engineers, businessmen and communications professionals work together to meet the challenge of transforming a GM vehicle into an environmentally friendly automobile.
Several universities have used our ev - TorqueBox® (reduction gearbox/transmission) in their EcoCar Projects.
Sponsored by US-DOE & GM


FULLY ELECTRIC FORD F-150 SERVICE TRUCK
Built by Torque Trends, Inc.
What if "zero" emissions also means savings on operating expense? The leadership of this city government saw the sense of converting their existing service truck into electric. The truck will gain 50% useful life. It has also become more safe as its center of gravity has been lowered, crash zone extended, braking stop shortened. Perfect for stop and go traffic, it gives back energy as the brakes are applied and no emission while waiting for traffic light to go green.
ELECTRIC MAZDA MX5
Built by Torque Trends, Inc.
This most popular racing car model in the world was a perfect vehicle for testing the ev - TorqueBox®. Powered by an AC Propulsion motor (same as supplied to Tesla for the original Tesla Roadster) and Nickel Manganese Cobalt battery pack. It can do 0-60 in 3.9 seconds.


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