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The reason you hear what you hear in the video is because he is powershifting. Anyone can do that on a manual tranny. |
ok, im confused on the syncro-rev upshifting deal...
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In my opinion, unlike the downshift feature, which would be somewhat useful for a more difficult move like heal & toe, this feature on the upshift is a pure nanny-gadget for those who cant drive a manual. Rev matching for downshifting or upshifting is a piece of cake and something everyone should master. Assistance for Heal & Toe is atleast a little more comprehensible. |
As I see it, there is no driver required interface to rev-match an upshift. You just shift normally and the car reacts to your action. however, the benefits of a proper rev-match will be less noticeable than for downshifts.
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If he is powershifting he is taking his sweet time to do so. If you look at any other Best Motoring clips he never keeps his foot down on the gas while shifting. (race, time trial, whatever.) From my humble experience, there is very little benefit to doing so on a circuit. On another note, for some reason the Rev-up 350z's also did this when driven agressively. So, I can't say conclusively that its the SynchroRev, maybe its a heavy flywhel or clutch delay valve. Maybe the causes are different and the effect is the same, Idk? Maybe someone with a Rev-up 350z can tell us why? Or better yet, some of the new 370z owners need to start flogging their cars and tell us. :tup: |
^ You can hear the revs quickly rise as he shifts (that's more than just holding the RPM's). I'm pretty sure he is powershifting.
Like I said in another post, I personally experimented with the 370Z and the syncro-rev match feature and I didn't so such a thing. P.S. By "holding" the RPM's, they mean holding the RPM to the proper RPM of the next gear. In other words, would only happen during very slow shifts. So it isn't going to be holding an RPM at such a high RPM. |
I'm curious if the rev-match is implemented via a DBW throttle system? I've read the spec sheet under the FAQ but didn't see DBW as part of the induction system. Does anyone know?
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I hate to rain on the parade, but is anyone else concerned that this synchro rev-matching feature will be the achilles heel of the 370Z in its first year?
I'm probably just being paranoid, cuz I bought one of the first 2003 350Z's. I experienced a lot of headache from recalls and TSBs....along with a lot of other '03 Z owner friends that had to withstand tranny repairs, alignment issues with the front wheels, bad synchros, rear axle clicking, faulty power windows, etc.... I'm just saying....a lot of first year sports cars have it rough, which is why i always try to wait until the problems are ironed out. But this feature seems like it has potential to be a nightmare if something goes wrong. Am I alone in this? Sorry, just trying to play devil's advocate here, folks. |
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^^^ you can just turn it off? what problem are you talking about.
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seriously this synchro rev match transmission...is genius
with the option to turn it off/on too. props to nissan and their engineering dept! might see a new trend here with other manual cars.......... |
I really need to try this feature out when i test drive one.
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<TABLE cellSpacing=0 cellPadding=6 width="100%" border=0><TBODY><TR><TD class=alt2 style="BORDER-RIGHT: 1px inset; BORDER-TOP: 1px inset; BORDER-LEFT: 1px inset; BORDER-BOTTOM: 1px inset">Originally Posted by Nissan USA
SynchroRev Match can help with upshifts by holding the RPMs when the clutch is disengaged rather than dropping them to idle like a normal car would. For drivers who take longer to shift, this can help them be smoother since the revs won't drop down to idle immediately. Of course, if you wait too long I believe the revs will go to idle, but as soon as the gear shift lever is moved in the direction of a gear the system will set the revs at the appropriate RPM for that gear. Sorry for the lengthy explanation...it's much easier to understand if you have a chance to experience it. </TD></TR></TBODY></TABLE> This is an awesome feature! I can teach my fiancee how to drive this car. She's totally against me getting it. Function and utility is probably not the best with this car, but man... just look at the performance numbers... and it's so SEXY!! :yum: |
I can tell you that it works perfect everytime and you can turn it off if you don't want it. The only frustrating thing is I find myself trying to heal and toe shift b/c it's what I'm use to doing in my older cars. I'm almost relcutant to use it because I don't want to loose my ability to heal and toe, but I have a feeling that most manual cars in the near future will have this feature since it works so well. It is far more accurate then I could ever be. :driving:
Braden |
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