Automatic- O/D on or off - Dodge Durango Forum
Racing Forum Strip Racing, Street Racing, Autocross Forum

 
Thread Tools Rate Thread Display Modes
post #1 of 15 Old 08-01-2010, 09:37 AM Thread Starter
axax
Outlaws noob
 
axax's Avatar
 
Join Date: Mar 2010
Location: Mexico
Vehicle: 1999 Dodge Dakota
Posts: 951
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
 
Automatic- O/D on or off

I can't decide what's faster and won't be going to the track any time soon.

Any ideas? I feel like O/D off is slower but with higher engine speed, so it just makes a lot of noise and barely takes off...

Mostly Old Parts And Rust
axax is offline  
Sponsored Links
Advertisement
 
post #2 of 15 Old 08-01-2010, 09:56 AM
M1L1T1A
Loser
 
M1L1T1A's Avatar
 
Join Date: May 2007
Location: Virginia
Vehicle: 2003 Dodge Dakota R/T
Posts: 568
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
 
over drive OFF for sure man, only time you need to put it back on is if you are running out of gear... but you should be good till 90 or so.
M1L1T1A is offline  
post #3 of 15 Old 08-01-2010, 02:01 PM
5.9 R/T
13.75@99.42MPH
 
5.9 R/T's Avatar
 
Join Date: Jul 2006
Location: Montréal, Québec
Vehicle: 2002 Graphite Dak CC R/T
Posts: 1,794
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
 
Send a message via MSN to 5.9 R/T
^^^What he said!
On the long run you'll need O/D, but for something like a drag race you difenitly don't want the O/D on.

Just to give you an idea, here are the time I ran at the track earlier this year without O/D...
14.12
14.17
14.24
14.25
14.27

Than I let it on for one run....
14.46

So it gives you an idea

5.9 R/T is offline  
post #4 of 15 Old 08-01-2010, 02:45 PM
irnwkrkev
Registered User
 
Join Date: Jan 2009
Location: Miami, Fl.
Vehicle: 2002 durango
Posts: 185
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
 
It might be a little different with the 545rfe. I think if you put the OD off it locks up the converter sooner. I was making some runs with the dynolicious app on my iPhone and when I had OD off I felt the converter in 3rd lock up and the truck slowed. I would imagine you shouldn't see 4th in the quater unless you've got low gears and are running pretty quick.
irnwkrkev is offline  
post #5 of 15 Old 08-01-2010, 03:00 PM
moparsz
1400+ 1/4 mile passes


 
moparsz's Avatar
 
Join Date: Feb 2004
Location: St. Louis, MO
Vehicle: 2002 Dakota 4.7
Modifications: if you can think it, it probably has it
Posts: 27,103
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 1 Post(s)
 
Garage
Send a message via AIM to moparsz
leave o/d off, you'll be a little faster. and you'll see 4th in the 1/4 even if you run in the 16's


Best pass 2002 Dodge Dakota : 13.302 @ 103.39 MPH and 1/8 E.T. 8.569 @ 82.87mph

Drag Track http://www.youtube.com/watch?v=LCNQhtcXkKE
New Years Eve Burnout http://www.youtube.com/watch?v=oVAQ4...lay&playnext=1

www.AIRRAM.com Discounted Performance Parts with FREE SHIPPING!
moparsz is offline  
post #6 of 15 Old 08-01-2010, 03:57 PM
03DakStampede
SRT-8 Dakota

 
03DakStampede's Avatar
 
Join Date: Jan 2008
Location: Indiana
Vehicle: 2003 Dakota Stampede
Posts: 902
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
 
Send a message via AIM to 03DakStampede
When I was stock it didn't matter one way or the other because i could run the 1/4 in 2 gears crossing the traps at 6k. With my current setup I need 3rd but if I run with od off it will lock the converter in third gear so most of the time I run it with od on so I don't get the converter lock and once I cross the traps and let off the pass the truck will shift into od. For me it doesn't seem to make a whole lot of difference but with the 4.7 and the lack of torque when the converter locks it does slow you down
03DakStampede is offline  
post #7 of 15 Old 08-01-2010, 05:10 PM
irnwkrkev
Registered User
 
Join Date: Jan 2009
Location: Miami, Fl.
Vehicle: 2002 durango
Posts: 185
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
 
^ That's exactly what I noticed with my durango.
irnwkrkev is offline  
post #8 of 15 Old 08-01-2010, 10:16 PM Thread Starter
axax
Outlaws noob
 
axax's Avatar
 
Join Date: Mar 2010
Location: Mexico
Vehicle: 1999 Dodge Dakota
Posts: 951
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
 
what I seem to notice with O/D off is that I hit the limiter in 2nd and it doesn't want to shift, I feel like I have more control over the truck and how it shifts by using the pedal with O/D on than off, I'll definitely try different ways of driving it once my truck is in proper condition.

I'm running 42RE trans with the 5.2, best time has been 15.9, O/D on

Mostly Old Parts And Rust
axax is offline  
post #9 of 15 Old 08-02-2010, 12:49 AM
ColoDak
Registered User
 
ColoDak's Avatar
 
Join Date: Mar 2007
Location: Colorado
Vehicle: '00 Dakota, '09 Kawi
Posts: 3,779
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
 
usually I'll launch with the OD off, then when it's about to shift to 3rd I'll turn it back on. Of course my settings are differnet because of the Superchips

'00 Dak. Q-Cab, Intense Blue, 5.9 360, AWD
http://www.cardomain.com/ride/3183475/2


ColoDak is offline  
post #10 of 15 Old 08-02-2010, 12:54 AM
irnwkrkev
Registered User
 
Join Date: Jan 2009
Location: Miami, Fl.
Vehicle: 2002 durango
Posts: 185
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
 
I guess the trans locking in early in third with OD off is only an issue with the 45rfe/545rfe trans (4.7L). It helps when towing with the OD off. There's no way I could reach fouth gear in the quarter mile, especially with 3.55 gears.
irnwkrkev is offline  
post #11 of 15 Old 08-02-2010, 05:04 AM
5.9 R/T
13.75@99.42MPH
 
5.9 R/T's Avatar
 
Join Date: Jul 2006
Location: Montréal, Québec
Vehicle: 2002 Graphite Dak CC R/T
Posts: 1,794
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
 
Send a message via MSN to 5.9 R/T
Quote:
Originally Posted by irnwkrkev View Post
I guess the trans locking in early in third with OD off is only an issue with the 45rfe/545rfe trans (4.7L). It helps when towing with the OD off. There's no way I could reach fouth gear in the quarter mile, especially with 3.55 gears.
Probably, but if you run the 4.56 you will want the o/d off for sure cuz it will try to shift in 4th. IIRC the 3.92 gears did the same...

5.9 R/T is offline  
post #12 of 15 Old 08-04-2010, 07:10 PM
Mikes99Dakota
It's just a lil 318...
 
Mikes99Dakota's Avatar
 
Join Date: Oct 2005
Location: Robinson, TX
Vehicle: 1999 R/C Dakota 5.2L Auto
Posts: 928
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
 
O/D off made NO difference with my truck even if I kept it on. Some people say differently.

99 Dakota 390ci
Carb'd&Stroked
11.26@119mph 1.57 60'
2006 QC Hemi DD
SCT Can Tune, 4.56s and LT's
Mikes99Dakota is offline  
post #13 of 15 Old 08-25-2010, 05:56 PM
Dakota RTNX
Registered User
 
Join Date: Apr 2008
Location: Meadowview, VA
Vehicle: 1999, Dodge, Dakota RT
Posts: 85
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
 
i used to run O/D off while racing but then after i got a shift kit and SCT tuner it started shifting too early. now i run with O/D on and it shifts perfect in every gear.

________________________________________
1999 Dakota R/T
Dakota RTNX is offline  
post #14 of 15 Old 08-27-2010, 01:56 AM
99Dakota
Diesel Mechanic
 
99Dakota's Avatar
 
Join Date: Jun 2008
Location: Whitehall, NY
Vehicle: 99 Dakota 4x4
Posts: 898
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
 
O/D off makes no difference to me until like after 70. if i back off quick and let it lock up it pulls faster. wide open without feathering its still faster for me because it bings the rpms back down into the power at lock around 85 and i will pull it to about 100 and turn it back on

99 Dakota Sport 4x4 3.9L V6
360 Air Intakez, V8 TB, MSD Coil, Magnaflow Y-Pipe back, Superchips 3715, Factory 3.92's, Firestone Destination A/T's, HID 5000K BI, HID 6000k Fogs, Monroe Sensatrac Rear Loadlevelers
99Dakota is offline  
post #15 of 15 Old 08-27-2010, 03:29 AM Thread Starter
axax
Outlaws noob
 
axax's Avatar
 
Join Date: Mar 2010
Location: Mexico
Vehicle: 1999 Dodge Dakota
Posts: 951
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
 
my tranny has been acting weird recently, I've found since I got my truck back that O/D off is faster until of course I run out of gears

Mostly Old Parts And Rust
axax is offline  
Sponsored Links
Advertisement
 
Reply

Quick Reply
Message:
Options

Register Now

In order to be able to post messages on the Dodge Durango Forum forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.
User Name:
If you do not want to register, fill this field only and the name will be used as user name for your post.
Password
Please enter a password for your user account. Note that passwords are case-sensitive.
Password:
Confirm Password:
Email Address
Please enter a valid email address for yourself.
Email Address:

Log-in

Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.



User Tag List

Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page
Display Modes Rate This Thread
Linear Mode Linear Mode
Rate This Thread:


Forum Jump

Posting Rules  
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

 
For the best viewing experience please update your browser to Google Chrome