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overdrive #239335 Aug 3, 3:13pm Aug 3, 3:13pm
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overdrive
i think there was a thread on this already. what is the od for?

Re: overdrive [Re: ghostingcelica] #239336 Aug 3, 3:16pm Aug 3, 3:16pm
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saves gas...

Re: overdrive [Re: spaztikid] #239337 Aug 3, 3:18pm Aug 3, 3:18pm
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saves gas... turn it off and you can feel slightly more power happywink


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Re: overdrive [Re: spaztikid] #239338 Aug 3, 3:21pm Aug 3, 3:21pm
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CID498
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Its a freeway gear so the engine doesnt work as hard, Do your around town driving with it off and only use it on the highway.


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Re: overdrive [Re: CID498] #239339 Aug 3, 3:24pm Aug 3, 3:24pm
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ooo. the mystery is solved rofl

Re: overdrive [Re: ghostingcelica] #239340 Aug 3, 5:20pm Aug 3, 5:20pm
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it has a nice boost to it.


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Re: overdrive [Re: Zero] #239341 Aug 3, 5:22pm Aug 3, 5:22pm
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RevMonster
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O/D is just our 4th gear spineyes rofl


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Re: overdrive [Re: RevMonster] #239342 Aug 3, 5:36pm Aug 3, 5:36pm
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I was told if you drive long distances, like freeway, for a long period of time at relatively the same speed, you turn it off on the offramp. Lets the engine cool a bit. Its the auto version of 4th gear...but not quite.

Don't keep it off a long time, your milage goes down drastically. frown So I would leave it on, even going around town. Save more gas. There are no noticable increases in power or speed with it off. I wouldn't worry about it. Just leave it on at all times. thumbsup


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Re: overdrive [Re: RevMonster] #239343 Aug 3, 8:13pm Aug 3, 8:13pm
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Virgilson
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Originally Posted by RevMonster
O/D is just our 4th gear spineyes rofl
haha yups...

Re: overdrive [Re: Virgilson] #239344 Aug 3, 8:46pm Aug 3, 8:46pm
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Don't go over 75mph with it off... its best practice to keep your RPM's in the 2k to 4k range while driving constant high speeds

As per page 87 and 88 of the 2001 Celica owner's manual:

"You can select either third gear (with overdrive OFF) or forth gear (with overdrive ON) by pushing this button"

ie; with OVER DRIVE OFF, your celi maxes out at 3rd gear and will never switch to 4th.

...

Celica GT/2ZZ-GE Recomended Shifting Speeds

1 to 2 or 2 to 1 ... 15 mph / 24 km/h
2 to 3 or 3 to 2 ... 25 mph / 40 km/h
3 to 4 or 4 to 3 ... 40 mph / 65 km/h

MAXIMUM ALLOWABLE SPEEDS:

5-speed
1st gear ... 35 mph / 56 km/h
2nd gear ... 57 mph / 92 km/h
3rd gear ... 78 mph / 126 km/h
4th gear ... 106 mph / 171 km/h

6-speed
1st gear ... 37 mph / 60 km/h
2nd gear ... 58 mph / 93 km/h
3rd gear ... 80 mph / 128 km/h
4th gear ... 101 mph / 163 km/h
5th gear ... 129 mph / 208 km/h

...

As per page 94 of the 2001 Celica owner's manual

So according to the manual - all you guys who own an Automatic Celica who say you were doing 120mph, your speedo was either off, or you were red-line'n it for several miles wtf


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Re: overdrive [Re: isaac] #239345 Aug 3, 9:26pm Aug 3, 9:26pm
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Tampa, Florida
Polykarb
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^^ good post Isaac. It weeds out the bullshitters. thumbsup


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Re: overdrive [Re: Polykarb] #239346 Aug 3, 9:53pm Aug 3, 9:53pm
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Originally Posted by Polykarb
^^ good post Isaac. It weeds out the bullshitters. thumbsup


Fastest i've done is 105. Then again, there was some downhill slope. wink


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Re: overdrive [Re: Sancho] #239347 Aug 3, 10:06pm Aug 3, 10:06pm

A
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Ive done 120 in my auto celica. No BS so i dont know what the deal is.

Re: overdrive [Re: isaac] #239348 Aug 3, 10:13pm Aug 3, 10:13pm
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Orange County, Ca
RevMonster
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Quote:

So according to the manual - all you guys who own an Automatic Celica who say you were doing 120mph, your speedo was either off, or you were red-line'n it for several miles wtf


I've got a pic of my speedo at over 120, and I still had a ways to go on the tach. The auto has diff. gear ratio's than the manual, otherwise we'd get the fuel economy of a Mack truck. spineyes

(edit) the ratios are here... you can see the final drive ratio for the automatic GTS would allow for quite a bit more speed than 4th gear on either the 5 or 6 speed manual transmissions (for which you posted the max speeds per gear)

https://www.celicahobby.com/tech/2002celica.html


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Re: overdrive [Re: RevMonster] #239349 Aug 3, 10:55pm Aug 3, 10:55pm
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arizona
wannaBblueCelica
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i believe it says he posted it for the gt not the gts smile

Re: overdrive [Re: wannaBblueCelica] #239350 Aug 3, 11:06pm Aug 3, 11:06pm
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spaztikid
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my car is at 4000 rpms at about 82 mph...

i always drive at that... i need another gear.

Re: overdrive [Re: isaac] #239351 Aug 3, 11:15pm Aug 3, 11:15pm
Joined: Feb 2004
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Originally Posted by isaac
Don't go over 75mph with it off... its best practice to keep your RPM's in the 2k to 4k range while driving constant high speeds

As per page 87 and 88 of the 2001 Celica owner's manual:

"You can select either third gear (with overdrive OFF) or forth gear (with overdrive ON) by pushing this button"

ie; with OVER DRIVE OFF, your celi maxes out at 3rd gear and will never switch to 4th.

...

Celica GT/2ZZ-GE Recomended Shifting Speeds

1 to 2 or 2 to 1 ... 15 mph / 24 km/h
2 to 3 or 3 to 2 ... 25 mph / 40 km/h
3 to 4 or 4 to 3 ... 40 mph / 65 km/h

...


I also use it "braking with the engine" turn it off... and if you need to stop ... push the top button and 2... (stronger engine braking)... rolleyes then L (maximun engine braking)... ( rolleyes I never use L )
source: Owner's Manueal pg. 83 happywink

Re: overdrive [Re: morris] #239352 Aug 4, 6:40am Aug 4, 6:40am
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Springfield, Ohio
PyRoLiTe
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the book is wrong b/c i have had my car to 121 mph. That's all it would go, i watched the needle hit 121 and i felt the car just kinda not go anymore. And i also have an auto GT.


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Re: overdrive [Re: PyRoLiTe] #239353 Aug 4, 6:44am Aug 4, 6:44am
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i had my car up to 135 and it went. and still chould go wave

Re: overdrive [Re: ravadude338] #239354 Aug 4, 8:37am Aug 4, 8:37am
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time to get a manual...

Re: overdrive [Re: ragingpaseo] #239355 Aug 4, 9:11am Aug 4, 9:11am
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Virginia
Mike38
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by definition overdrive is any gear that has a gear ratio of lower than 1:1 (like 0.75:1) so it allows you to travel at higher speeds at lower rpms and since you're at a low rpm you save gas

Re: overdrive [Re: Mike38] #239356 Aug 4, 1:26pm Aug 4, 1:26pm
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Simple
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Originally Posted by Mike38
by definition overdrive is any gear that has a gear ratio of lower than 1:1 (like 0.75:1) so it allows you to travel at higher speeds at lower rpms and since you're at a low rpm you save gas



exactly


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Re: overdrive [Re: Simple] #239357 Aug 5, 1:23am Aug 5, 1:23am
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triptronic owns all! (blast from tha past)

Re: overdrive [Re: FloydianSlip6] #239358 Aug 5, 1:27am Aug 5, 1:27am
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RevMonster
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Originally Posted by FloydianSlip6
triptronic owns all! (blast from tha past)


rofl

I still can't believe that gimmick got me to buy an auto.


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Re: overdrive [Re: RevMonster] #239359 Aug 5, 1:47am Aug 5, 1:47am
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RyCeCuBe
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^^what were you thinking??? driving w/ clutch is fun!


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Re: overdrive [Re: RevMonster] #239360 Aug 5, 1:50am Aug 5, 1:50am
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rofl

Re: overdrive [Re: PyRoLiTe] #239361 Aug 5, 3:12am Aug 5, 3:12am
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Originally Posted by PyRoLiTe
the book is wrong b/c i have had my car to 121 mph. That's all it would go, i watched the needle hit 121 and i felt the car just kinda not go anymore. And i also have an auto GT.


2001.. or 2002... the programming is different - read my post - see YEAR wave


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Re: overdrive [Re: RyCeCuBe] #239362 Aug 8, 1:58pm Aug 8, 1:58pm
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Originally Posted by RyCeCuBe
^^what were you thinking??? driving w/ clutch is fun!

I'll prolly do a tranny swap when I swap out the engine at 150,000. Where I live there is so much damn traffic I didn't feel like having to deal with it. I wish I had though.

Re: overdrive [Re: FloydianSlip6] #239363 Aug 10, 1:44pm Aug 10, 1:44pm
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RyCeCuBe
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yeah, i'm from LA, n traffic is a bitch...but i'm so attacted to the stick shift that i'm willing to put up with it...cuz i know one day i'm gonna spend the rest of my life driving an auto..so i'm enjoying it as much as i can rite now.


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Re: overdrive [Re: Mike38] #239364 Aug 10, 3:03pm Aug 10, 3:03pm
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Originally Posted by Mike38
by definition overdrive is any gear that has a gear ratio of lower than 1:1 (like 0.75:1) so it allows you to travel at higher speeds at lower rpms and since you're at a low rpm you save gas



or...where the input shaft spins slower than the output shaft. same thing.

Re: overdrive [Re: SilverRSXJezus] #239365 Aug 10, 3:09pm Aug 10, 3:09pm
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ive done 135 in mine no BS either!

so whats the deal? confused


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Re: overdrive [Re: RevMonster] #239366 Aug 10, 3:11pm Aug 10, 3:11pm
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Originally Posted by RevMonster
Originally Posted by FloydianSlip6
triptronic owns all! (blast from tha past)


rofl

I still can't believe that gimmick got me to buy an auto.


lol same here buddy !! But its all good I dont really care, I love my car! thumbsup happywink wave


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Re: overdrive [Re: CaLiGTS] #239367 Aug 10, 4:52pm Aug 10, 4:52pm
Joined: Jun 2004
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Tampa, Florida
Polykarb
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I would kill myself if i didn't have a clutch


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Re: overdrive [Re: Polykarb] #239368 Aug 10, 5:28pm Aug 10, 5:28pm
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I can't walk and chew bubbble gum at the same time laughsilly. Why would I need a shifter? I spend more time fiddling with the stereo than actually driving.


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Re: overdrive [Re: Polykarb] #239369 Aug 10, 5:30pm Aug 10, 5:30pm
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Originally Posted by Polykarb
I would kill myself if i didn't have a clutch


We are all praying for it to fall apart. grin

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