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Old Aug 23, 2010 | 05:55 PM
  #1  
kx125str99's Avatar
kx125str99
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From: santa clarita
overdrive question

When should overdrive be used? And when should it not be used. I have a 2000 f250 7.3 but have never really used the overdrive.
 
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Old Aug 23, 2010 | 06:08 PM
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Mark Kovalsky's Avatar
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It should be used when you're driving. If you need more engine braking coming down a grade turn it off.
 
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Old Aug 23, 2010 | 10:16 PM
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texastech_diesel
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Just don't let the transmission hunt for gears; it doesn't really matter where it settles down, if the TC is locked and it's not pulling hard, go for it.

Did you regear your axles for the (I'm guessing from your avatar) 40" tires? If not, I'd be surprised if you could use OD at all, just because the engine would be revving so low under 65 you wouldn't have the power to move the truck. At 65mph, you'd be turning ~1500rpms in OD, not a lot of oomph to move the truck
 
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Old Aug 23, 2010 | 10:30 PM
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Originally Posted by Mark Kovalsky
It should be used when you're driving.
That's funny!
 
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Old Aug 29, 2010 | 10:09 PM
  #5  
kx125str99's Avatar
kx125str99
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From: santa clarita
no its not re geared and it is on 40's. But i tow a 30 foot toy hauler no problem.
 
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