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Lame question but WHich one is Overdrive? the D or (D) ?? Im pretty much in D all the time. (v6 3.4l)

 
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(D)

D isnt bad until you get above 40 I think (not sure about the 3.4s), then it keeps shifting back and fourth in the 40s since OD isnt kicking in.

Someone once said D is good for racing, and OD is good for regular driving. I think I agree with that. I raced my friends Mustang GT in D from 60 and it kept up with him far better than OD

 
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I seem to stay in D in rural areas but out in the open road going up hills or whatever I'll let off the gas and switch to (D).

 
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Hills usually you should be in D.

 
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yeah, most times depends on the speed your RPMS are higher. Which means your using more power

 
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i dont think you guys know whats really going on...drive is gears 1, 2, and 3 with engine braking. overdrive is 1, 2, 3, and 4 with no engine braking.

 
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Maybe the guys who wrote the owners manual dont know whats going on then?

 
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has happened before, the manual is written by an outside company. On steep hills you want d it's to save brakes (hte engine slows you down) any other time you want od (unless pulling a trailer, and if you do that with your f body get out and lay in traffic please)

 
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but i dont see how D will get be better for racing. in OD you have a whole other gear to go faster.

 
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Thats what I meant to say... Im too tired to write it like you did.

 
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You have that whole other gear until you shift up to the next... I dont know if its just my gears or what, but once I hit 4th gear, it slows dramatically compared to how I was traveling...

When I raced my friends stang in D, I got up to way higher rpms without the shift. D still will do computerized shifting... I still get od when im in D somtimes, I dont know why.

 
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od won't pull, to speed up you need underdrive

 
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putting the trans in d though will not improve times on a properly working trans

 
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thats his problem

 
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No, i was just saying when I was racing from a roll at 60 it helped me.