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Old 09-20-2012, 08:52 AM   #12 (permalink)
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Blackfly - '98 Geo Metro
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Last 3: 70.09 mpg (US)

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Originally Posted by LostSouthernStar View Post

So our cars perform better at 60 versus 50-55???

If you can cruise at 50 without constantly unlocking the torque converter or kicking down a gear (due to hills, for example) you will get better fuel economy there.

I think you're overestimating the speed at which your torque converter locks in top gear. It's likely closer to 40-45 than 50.

I have a very, very difficult time maintaining a constant speed with my Camry due to its sensitive accelerator, that's why I've used cruise control...
Cruise control is fine if (a) you drive on dead flat roads, or (b) you're unable to modulate the pedal smoothly & consistently on your own.

Would switching to synthetic oil, a K&N air filter and changing my fuel filter result in better fuel economy???
Miniscule difference; no difference; no difference.
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LostSouthernStar (09-21-2012)