5th Generation Maxima (2000-2003) Learn more about the 5th Generation Maxima, including the VQ30DE-K and VQ35DE engines.

Manual shifting an auto......

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Old May 20, 2001 | 08:29 PM
  #1  
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Is that really safe or should I say logical.
Old May 20, 2001 | 08:31 PM
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Originally posted by Max_Vader_2K
Is that really safe or should I say logical.
technically, it's not TOOOOO bad, there is so much computer technology in your car, it won't blow. and also, that's wat the warrenty is there for, right? i do it quite often
Old May 20, 2001 | 08:37 PM
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I may just be a screw up, but I can get better performance letting the car do the its thing for me. I have tried to shift manually but after redlining the needle and bumping the shifter into second it took almost a second a half to two seconds before it shifts. and the same for second into third. that's alot of down time with no acceleration, and like I said I prefer the auto, being just that auto!

I love a 5 speed and wish my car was, but I have come to a realization that it's not. Therefore I don't treat it like it is and hopefully it will do me better and last longer!

just my 2 cents
Old May 20, 2001 | 08:49 PM
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Originally posted by otter'sMAX
I may just be a screw up, but I can get better performance letting the car do the its thing for me. I have tried to shift manually but after redlining the needle and bumping the shifter into second it took almost a second a half to two seconds before it shifts. and the same for second into third. that's alot of down time with no acceleration, and like I said I prefer the auto, being just that auto!

I love a 5 speed and wish my car was, but I have come to a realization that it's not. Therefore I don't treat it like it is and hopefully it will do me better and last longer!

just my 2 cents
u must have something wrong with your tranny..... when i power shift i can feel the kick b/c it nears red line where i get my power from......if you dont know how to power shift than that could be a problem i shift up around 6000 somethimes i hit the revlimiter sometimes i dont when it doesnt it is much better than in D...... and from 2 to 3 with od off it bangs the crap out of the gear so i dunno!!! i will go to the track run it shifting and not shiffting to see my better time but i think shifting is faster...... ill let u know when i do!
Old May 21, 2001 | 03:56 AM
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Hey, I was going to post on this. On the track, Power Shifting gave me up to 4 tenths of a second faster with OD off then just D! I ran over 14 times, and tested equal number of times in just D.

It does shift about a half a second to a second after you move the lever, so give your seld a white line or two before red line, and it will shift right on red without hitting the limiter, which will cause the car to jerk, cut fuel, and loose time.
Old May 21, 2001 | 04:52 AM
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Originally posted by otter'sMAX
I may just be a screw up, but I can get better performance letting the car do the its thing for me. I have tried to shift manually but after redlining the needle and bumping the shifter into second it took almost a second a half to two seconds before it shifts.
just my 2 cents
hmm....you may be hitting the rev limiter. If you want to shift it manually, then you should shift around 6100 rpm or so to prevent hitting the limiter.
Old May 21, 2001 | 08:53 AM
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Originally posted by UMD_MaxSE


hmm....you may be hitting the rev limiter. If you want to shift it manually, then you should shift around 6100 rpm or so to prevent hitting the limiter.
yea thats how i do it... i shift at about 6000-6100 and by the time it shifts it just shifts under the rev limiter... i do it all the time... but i hate it when i put it in 1 and then i forget that i have to shift and i screw everything up....
Old May 21, 2001 | 09:02 AM
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When I still had my auto, I tried it numerous times, but I saw no noticeable difference. Guess I was just screwing it up.
Old May 21, 2001 | 11:54 AM
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I wouldnt

if a car is not designed to be shifted that way, then I wouldnt try it often if I want it to last.

I have seen ppl trashed their tranny with this.
Old May 21, 2001 | 12:21 PM
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My experience with this.....

I used to own a 93 Automatic Ford Probe, and I used to shift manually all the time. Well, around 85,000 miles I had to get the tranny rebuilt....so, keep that in mind.
Old May 21, 2001 | 07:45 PM
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Re: My experience with this.....

Originally posted by KyMAXSE
I used to own a 93 Automatic Ford Probe, and I used to shift manually all the time. Well, around 85,000 miles I had to get the tranny rebuilt....so, keep that in mind.
hmmm, i didn't think it'll break it that fast....i know it's a slightly bad for it, but 85k miles?
Old May 21, 2001 | 08:25 PM
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Re: Re: My experience with this.....

Originally posted by MaxSEAE


hmmm, i didn't think it'll break it that fast....i know it's a slightly bad for it, but 85k miles?
Well, it was a four cylinder and to get it to go anywhere quick, you had to drive it rather hard, and I was guilty of that. Like I said, I was shifting it manually all the time. I think that shifting the auto manually at certain times, like when racing, then it won't be bad, as long as you don't do it all the time.
Old May 21, 2001 | 08:32 PM
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Originally posted by TexMaximum
Hey, I was going to post on this. On the track, Power Shifting gave me up to 4 tenths of a second faster with OD off then just D! I ran over 14 times, and tested equal number of times in just D.

It does shift about a half a second to a second after you move the lever, so give your seld a white line or two before red line, and it will shift right on red without hitting the limiter, which will cause the car to jerk, cut fuel, and loose time.
4 tenths of a second eh.. so since i ran a 15.6(stock)but good weather conditions,i could get 15.2?? are u sure? i dont think so..
Old May 21, 2001 | 09:12 PM
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It woule be safe for either upshift or downshift. Even though you are "manually" shifting it, the computer still decides when the shift after you have moved the lever and will cut back power before it shifts.

Just don't do what I did last night. Accidentally went into 1st at 35mph. What did I get? We'll the car leaped so fast and the tires were screaming so loud with mad torque steer that I had trouble keeps the steering wheel straight. I never realised the VQ30DE-K engines top-end power until now.

My shift points are slightly different than others:
1st gear-5,900rpms@39mph
2nd gear-5,950rpms@70mph

I've never looked after 3rd gear but I can remember being in 4th gear at 4,600rpms@127mph. Do what others say. Shift at 6,100rpms manually and you should be fine. The tranmission will shift right before redline. Although sometimes I've been able to shift at 6,300-6,400 through 1-2 shifts and it will actually shift there. Only it lurched and my tires chirp.
Old May 21, 2001 | 09:30 PM
  #15  
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Hey AznWontonboy, think what you want, or go try it. I didn't make this stuff up because I thought it would be funny. I already noted it was hard to believe.

Us Auto 5th Gen don't get to take atvantage of the extra RPM the intake was designed for in D.
Old May 21, 2001 | 09:52 PM
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Originally posted by ScreamingVQ
It woule be safe for either upshift or downshift. Even though you are "manually" shifting it, the computer still decides when the shift after you have moved the lever and will cut back power before it shifts.

Just don't do what I did last night. Accidentally went into 1st at 35mph. What did I get? We'll the car leaped so fast and the tires were screaming so loud with mad torque steer that I had trouble keeps the steering wheel straight. I never realised the VQ30DE-K engines top-end power until now.

My shift points are slightly different than others:
1st gear-5,900rpms@39mph
2nd gear-5,950rpms@70mph

I've never looked after 3rd gear but I can remember being in 4th gear at 4,600rpms@127mph. Do what others say. Shift at 6,100rpms manually and you should be fine. The tranmission will shift right before redline. Although sometimes I've been able to shift at 6,300-6,400 through 1-2 shifts and it will actually shift there. Only it lurched and my tires chirp.
Is irt me, or did I make quiet a bite of misstakes on this post?
Old May 22, 2001 | 06:48 AM
  #17  
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What mistake was that.....

Originally posted by ScreamingVQ


Is irt me, or did I make quiet a bite of misstakes on this post?
Went into reverse instead of 1st.
Old May 22, 2001 | 06:54 AM
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Old May 22, 2001 | 12:19 PM
  #19  
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actually going from drive into reverse is not possible unless you hit the side button. and to shift manually you don't have to hit that button. just push the shifter forward and it will move into the drive gears as you want. you can go all the way to neutral but unless you depress the shift button it won't go into reverse. i know b/c i have tried ... not to destroy my tranny but out of curiosity one day while installing my levoc shifter.
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