Quote:
Originally Posted by EcoCivic
...Assuming that the torque converter is 90% efficient at full throttle, it could be wasting up to 15 horsepower on a 150 horsepower engine that could be going to the wheels, which certainly would be noticeable....a manual trans is a lot lighter than an auto and likely has less rotational mass since a clutch is probably a lot lighter than a torque converter.
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As stated, I can feel the power difference between our automatic & manual Elantras. The auto companies keep saying they are improving automatic transmission efficiency, but they have a ways to go.