file.newsgroup.cars.103767 Maven / Gradle / Ivy
From: mchaffee@dcl-nxt07 (Michael T Chaffee)
Subject: Re: Manual Shift Bigots
[email protected] (eliot) writes:
>In article Peon w/o Email (Eric Youngblood) writes:
>>In article <[email protected]>, [email protected] (Michael J. Edelman) writes:
>>The big disadvantage of automatics is the ~10% HP they consume that never
>>gets to the wheels. In this respect they are at a disadvantage to a manual.
>only when the torque converter is not locked up. there are autos out there
>with converter lock up in 2nd, 3rd and 4th gears.
W/r/t performance, converter lockup is purely irrelevant. The lockup only
occurs at light throttle settings and serves only to improve MPG. Mind you,
a converter clutch does a lovely job of improving MPG, but the additional
mechanical advantage of the converter gives you more acceleration (vs. locked
converter clutch) than its inherent losses take away.
Michael T. Chaffee
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