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· Sir Digby Chicken Ceasar
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967 Posts
blown408 said:
What RPM's do you normally run in OD at 60-70MPH? 3k-ish? Seems high, even though it's got a 4:30 rear.
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· It's only the beginning..
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773 Posts
supraman07 said:
isn't it best to not drive your auto supra in overdrive much?
O/D = Lower RPMs for DDing. Better Gas Mileage. If you're hammering on it then turn on ECT and O/D off until you need the 4th gear.
 
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Discussion Starter · #8 ·
supraman07 said:
isn't it best to not drive your auto supra in overdrive much?
It's an age old debate. If the OD unit is tough, (which i think this one is, compared), then it should be no problem. When you are in OVERdrive, you are turning less than 1:1 from the motor, which equates to less strain on the motor, and greater fuel economy. If you are stop and go, and under 55, it is a good idea to turn OD off.

I drive 45 mins EACH way to work, so OD is ESSENTIAL.
 
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