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Old 04-29-2009, 09:15 PM   #9 (permalink)
Silveredwings
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Join Date: Dec 2007
Location: northeast
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Dark Horse - '16 Ford Mustang GT convertible Premium

Gutless Beauty - '19 Toyota Corolla SE
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Another take on automatics from a motor mfr:

Manual Vs. Automatic Transmission

Quote:
Most EV conversions are manual transmissions because they are more efficient than automatic transmissions and provide greater range, require less motor torque, require no transmission cooler, and are easier to convert. The problem with an automatic transmission is that it shifts at about 2000 rpm; the electric motor is usually designed to operate efficiently between 4000-5000 rpm. Consequently, the automatic transmission is a poor choice which results in decreased range. If you buy a vehicle with an automatic transmission, you can replace it with a manual transmission. The additional cost is $150 and up depending on the transmission and used auto parts dealer. Consider trading the automatic transmission.
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