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View Full Version : Overdrive AOD When and what speed to use ?



GigShooTer69
07-25-2014, 10:34 AM
What the ideal speed to put into Overdrive ?

I put my T-Bird into OD at 70-80 Kms and drop it back to Drive at 50kms
keep it in D when in the city and on hills regardless the speed.

Any thoughts on how you use yours ?

Thunder Chicken
07-25-2014, 04:05 PM
I've always just put it in OD and forgotten about it

White85GS
07-25-2014, 06:51 PM
They kick into O/D around 45mph.

V8Demon
07-25-2014, 08:39 PM
In stock form with highway gears, yes. I have mine set up right now to go into O/D @ an indicated 53 MPH at very little to zero throttle input (and yes; my speedo is accurate).

In stock guise I used to keep it in D on roads that had traffic lights with a speed of 50 MPH or less. Annoying to hit O/D only to have to hit the brakes so I opted to keep it off.

The way I have the car set up now I don't have to worry about it so much. 55 MPH means I'm on a parkway/expressway be me so.....

mcb82gt
07-25-2014, 09:40 PM
I use D in city driving and Bump it into OD when getting on highway. I have 3.73 gears

ThunderFox
07-27-2014, 10:33 AM
In every Ford AOD or 4R70W I've had, I always us D unless I'm going to be over 45mph for at least a couple of minutes. All the OD band stories scare me. Lol

thunderjet302
07-27-2014, 09:43 PM
Due to having an epoxy mod valve body in my Thunderbird I use OD all the time. I do have a 2" OD band and an A+ OD servo so it really doesn't matter. My Mark VII has a stock AOD and I usually drive around in D and only shift to OD if I'm going to be going faster than 45 for an extended period of time.

Haystack
07-28-2014, 12:14 AM
I leave it in od on the shifter and hit the 42mph to enguage od whenever possible. generally in 40-45mph speed zones.

daminc
07-28-2014, 06:50 AM
I've never driven in D...I've had many AODs and never had a problem with any, even hauling stuff up steep hills with a loaded work truck

EricCoolCats
07-28-2014, 07:11 AM
What the ideal speed to put into Overdrive ?

I put my T-Bird into OD at 70-80 Kms and drop it back to Drive at 50kms
keep it in D when in the city and on hills regardless the speed.



My Mark VII has a stock AOD and I usually drive around in D and only shift to OD if I'm going to be going faster than 45 for an extended period of time.


You are both doing it correctly. ;)

The factory OD band is the weakest so anytime you can "save" it is a good thing.

50tbrd88
07-28-2014, 08:43 AM
When I had the stock AOD, I never put it in "d". I always drove in "OD". That being said most of the miles on my car were highway. The AOD went almost 190k before I swapped the T-5 in and was still working fine.

Haystack
07-29-2014, 12:20 AM
A blown aod is a good reason to drop in the t-5 you always wanted...

honestly, my first car i blew the trans on wheny tv cable clip.broke around 250k miles. every other aod I've had was either already toasted when i bought it, or didn't give me any trouble the whole time I've owned.the.car.