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Originally Posted by engineer
Despite what some will claim, the 4l60E (and 4L65E and 4L80E) are quite possibly some of the best automatic transmissions on the market. They have had their issues (94-97 particularly), but with 1.5+ million per year made over the past 15 years (roughly 22 million!!!), these transmissions are tried and true and to the point where all of the issues have been resolved.
That being said, I use to not think that 6-speed trannys were just a gimmick. BUT, after driving the Escalade EXT and Tundra, the difference in power, RPM, and smoothness is not only noticeable, it is glaring!!! Four speed transmissions are just not adequate anymore. I do find it funny how people consider the 4-speeds old technology, yet these "old technology" pieces are more efficient (mpg) and are rated to tow more. What does that say about Toyota's "high tech" offerings?
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Well said, Thank You, I agree 100%
(don't forget the 4L70E in the 6.0 Vmax)