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Originally Posted by SLP LS1
GM's new six-speed automatic transmission
The brand-new 6L80 automatic transmission will be used to improve the fuel economy and performance of vehicles like the Chevrolet Corvette, Cadilac STS-V, and GMC Yukon. GM invested $450 million to produce the 6L80 at its Willow Run transmission plant.
"As well as fuel economy, six-speeds offer great performance benefits because the shifts are quicker and more precise," said David Petrovski, analyst of North American powertrains with consultant CSM Worldwide, Farmington.
Sweet :smt045
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They are just keeping up, BMW I think it is has a 7-speed trans out.
at 80 these trans's gotta be keepin the RPM's at like idle. Crazy I tell ya