Quote:
Originally Posted by MetroMPG
I wish automakers would offer a highway "nerd gear" option for people who really want to save fuel and aren't bothered by the idea of downshifting for power when needed.
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not sure if it still happens, but the LT1 and LS1 F-bodies and corvettes got a .5:1 6th gear when equipped with a T56 transmission. more often than not, that was paired with something like a 3.45:1 final drive too. they basically idled along on the highway. it's why the real-world highway MPGs of those vehicles are so much better than the EPA test would imply.
another interesting thing to note is that the corvette back then was known to reach close to, if not at, 200MPH..... in 5th gear. 6th was used entirely for MPG purposes.