Is overdrive necessary
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Senior User
Joined: Oct 2007
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Is overdrive necessary
i have a 2000 F-250 powerstroke, my dealership told me when i was pulling heavy loads to always turn off overdrive. when i pull my 7000 lb boat down the intersate i am near 2900 rpms and that fuel guage seems to drop fast just wanted to know if i could put it into overdrive or will it kill the trany?
thanks
thanks
Frmr Ford Trans Engr
Joined: Aug 1999
Posts: 24,741
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From: SE Florida
The dealer gave you bad info. In the owner's manual it says you can tow in overdrive unless the trans is frequently shifting in and out of overdrive. You won't have a problem with a 7000 pound trailer.
Token Redneck
Joined: Jun 2007
Posts: 9,339
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From: Breckenridge, TX
Doesn't it not matter as long as the torque converter is locked and you're not burning up the inside of the tranny?
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Post Fiend
Joined: Apr 2006
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From: Saskatoon Saskatchewan
You can by all means use od when towing they recommend not to so you dont cook the tranny but thats it if its hunting for gears and heating up if you have trans temp gauge you can tell i pulled in od no problems
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Posting Guru
Joined: Mar 2007
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From: hillsborough nj
Originally Posted by texastech_diesel
Doesn't it not matter as long as the torque converter is locked and you're not burning up the inside of the tranny?
Posting Guru
Joined: Mar 2007
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From: hillsborough nj
Originally Posted by rbaker6336
high speeds will also generate a lot of heat
Post Fiend
Joined: Feb 2007
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From: Blairsville,Ga
Originally Posted by glasseater
true but the tranny cooler at higher speeds should help lower that... and it's still less than constant shifting
Posting Guru
Joined: Mar 2007
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From: hillsborough nj
Originally Posted by rbaker6336
a stock cooler has a hard time keep cool with a heavy load at higher speeds here in the bowels of frorida anyway
Freshman User
Joined: Oct 2007
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From: East Tennessee
Originally Posted by Dustin1690
You can by all means use od when towing they recommend not to so you dont cook the tranny but thats it if its hunting for gears and heating up if you have trans temp gauge you can tell i pulled in od no problems