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Discussion Starter #3
Eturner said:
It turns your Over Drive on and off!.. With it on you have all four gears!.. With it off just three!..

Lol that's the simplest way to put it!...
Is that y the rpms go so high wen I press it?
 

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What is the purpose of the O/D button on the automatic handle??
it's basically your last gear. look at it this way, you want it on when your just cruising driving around town, but when you race turn it off up until you reach "Drive" then you turn it back on so you don't redline :)
 

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It turns off your final gear basically. Automatics always want to shift at the earliest and most prime points and get to the last gear as quick as possible to maximize mpg, so turning it off is eliminating the last gear making you run on the lower ones.
 

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I always turn it off when passing or getting on the freeway. With it off you get that 1:1 engine to tranny ratio. Over drive gets you better gas mileage though.
 

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It's an Auto!.. All you have to do is Stomp on it and it downshifts on its own!.. No need to turn to OD off!..
 

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It's an Auto!.. All you have to do is Stomp on it and it downshifts on its own!.. No need to turn to OD off!..
lol I picked up 2 tenths of a second on average on the 1/8th by turning my OD off...and it really does make passing easier :good: at least in the two auto's i've had
 

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lol I picked up 2 tenths of a second on average on the 1/8th by turning my OD off...and it really does make passing easier :good: at least in the two auto's i've had
Once I had my tune turning the OD off actually hurt my times!.. Plus we are talking about simply passing someone on the highway!..
 

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Well let's just say we are talking about an untuned auto then for OPs thread lol, but good to know. I'll be jmodding the car in the spring since i was gonna flush and fill it anyways. and yes even simply passing turning the OD off has always made a difference in my cars. What car is your auto in? is it a sixxer or GT just curious
 

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Well let's just say we are talking about an untuned auto then for OPs thread lol, but good to know. I'll be jmodding the car in the spring since i was gonna flush and fill it anyways. and yes even simply passing turning the OD off has always made a difference in my cars. What car is your auto in? is it a sixxer or GT just curious
Yes in a untuned car it does make a difference!.. But just for the sake of passing its not needed!.. And is not really the wisest thing to do unless your towing something!.. Check out the owners manual!..

But in answer of your question my car is a '04 GT!..
 

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Yes in a untuned car it does make a difference!.. But just for the sake of passing its not needed!.. And is not really the wisest thing to do unless your towing something!.. Check out the owners manual!..

But in answer of your question my car is a '04 GT!..
to be honest i don't know on a GT...i had a 5 speed in mine. as for the owners manuals i don't read them lol. I guess i'll keep turning my O/D off when i pass until the day my tranny blows
 

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to be honest i don't know on a GT...i had a 5 speed in mine. as for the owners manuals i don't read them lol. I guess i'll keep turning my O/D off when i pass until the day my tranny blows
Wouldn't worry about that....... It's far more efficient then stomping the pedal is..
 
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