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Old 11-15-2009, 09:33 PM   #5 (permalink)
The Atomic Ass
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Join Date: Oct 2008
Location: Mason, OH
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LeSabre - '96 Buick LeSabre Custom
90 day: 20.95 mpg (US)

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Quote:
Originally Posted by Crono View Post
That's entirely possible. Maybe I'm mistaken about the lower gearing, but it really sounds like it's revving higher than it used to by 25 for sure.
Do you have a tach or are you going by engine note?

Now that I think about it, I think that is supposed to be one of the benefits of sliders over rollers, in that they won't start shifting until you've gotten going. If you ease off the throttle at 15 mph does the same shifting happen?

As for the better FE, that's natural. Higher vehicle speeds + lower engine speeds + higher engine load = more efficiency.
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