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Old 01-30-2013, 11:32 PM   #1
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O/d

Any one use over drive?whats the use
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Old 01-30-2013, 11:46 PM   #2
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Any one use over drive?whats the use
The button your reffering actually turns overdrive off. It prevents your torque converter from locking up and getting a lower rpm on cruising speed. I may not be explaining right but on highway driving with it off will cause pretty poor mpg
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Old 01-30-2013, 11:47 PM   #3
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It is your highest gear in an automatic, used for saving gas pretty much. If you turn it off then you will run with your lower gears and wont go into the highest gear. You might as well leave it on all the time because if you ever need to accelerate hard just mash the pedal and it will automatically change gears.

---------- Post added at 09:46 PM ---------- Previous post was at 09:46 PM ----------

Thats the easy way to explain it.

---------- Post added at 09:47 PM ---------- Previous post was at 09:46 PM ----------

Just be driving in your final gear then press the button to turn it off and it will automatically downshift.
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Old 01-31-2013, 07:47 AM   #4
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OK THKS
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Old 01-31-2013, 11:30 AM   #5
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Originally Posted by Soccerluvr4 View Post
It is your highest gear in an automatic, used for saving gas pretty much. If you turn it off then you will run with your lower gears and wont go into the highest gear. You might as well leave it on all the time because if you ever need to accelerate hard just mash the pedal and it will automatically change gears.

---------- Post added at 09:46 PM ---------- Previous post was at 09:46 PM ----------

Thats the easy way to explain it.

---------- Post added at 09:47 PM ---------- Previous post was at 09:46 PM ----------

Just be driving in your final gear then press the button to turn it off and it will automatically downshift.
Is it safe to down shift with the stock auto transmission ??
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Old 01-31-2013, 11:40 AM   #6
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Going down the highway with it on means our car is in 4th. If you turn it off it will go down to 3rd and stay out of 4th.
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Old 02-01-2013, 09:21 AM   #7
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Is it safe to down shift with the stock auto transmission ??
Yes it is safe. My 04 has the 4R75w and it has been built to hold 700-800 rwhp. I basically have a 3 speed with overdrive. I never go into OD or 4th gear under wide open boost pulls because it can damage and break the overdrive ban on cars that make a lot of HP. I have had my wave plates removed and added additional clutch discs to firm up the shifts and added a TCI deep sump pan.
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Old 02-01-2013, 02:26 PM   #8
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Ima just not use it lol
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Old 02-01-2013, 03:48 PM   #9
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Ima just not use it lol
It does not matter if you turn it off and on to down shift it makes no difference
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Old 02-01-2013, 03:54 PM   #10
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all overdrive is, is your final gear, like 5th on a manual. You want to use it as it is better for gas mileage etc, there is really no reason not to use it.
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Old 02-06-2013, 11:18 AM   #11
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all overdrive is, is your final gear, like 5th on a manual. You want to use it as it is better for gas mileage etc, there is really no reason not to use it.
Somebody up there said it damage something...
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Old 02-06-2013, 06:59 PM   #12
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Somebody up there said it damage something...
If your is making over 400-450+ rwhp you do not want to shift into over drive you will eventually brake the over drive band and will have to rebuild your trans. This mainly occurs in high HP boosted cars. If you are a simple all bolt on car you don't have anything to worry about because your not making enough HP or TQ to break any thing.
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Old 02-06-2013, 07:19 PM   #13
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If your is making over 400-450+ rwhp you do not want to shift into over drive you will eventually brake the over drive band and will have to rebuild your trans. This mainly occurs in high HP boosted cars. If you are a simple all bolt on car you don't have anything to worry about because your not making enough HP or TQ to break any thing.
O ok lols I'm new to the mod thing lols
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Old 02-06-2013, 07:27 PM   #14
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Use overdrive, If you floor it in o/d then it is just going to downshift to a lower gear... There really is no point in turning it off.
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Old 02-06-2013, 07:54 PM   #15
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Use overdrive, If you floor it in o/d then it is just going to downshift to a lower gear... There really is no point in turning it off.
Again you are correct with a car making normal power. If you allow a high horsepower car shift into 4 gear or OD it will eventually break your overdrive band. I have seen it an have heard of others doing this.
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