Nissan 370Z Forum

Nissan 370Z Forum (http://www.the370z.com/)
-   Nissan 370Z General Discussions (http://www.the370z.com/nissan-370z-general-discussions/)
-   -   What are your 7AT experiences?... (http://www.the370z.com/nissan-370z-general-discussions/1207-what-your-7at-experiences.html)

john370z 01-08-2009 06:56 PM

What are your 7AT experiences?...
 
We hear a lot about the 6MT but little about the AT. What are you new owners feeling and experiencing with the AT?

bossman 01-08-2009 09:00 PM

you're getting a 370 even tho you got a brand new 335i?

john370z 01-08-2009 09:30 PM

I am hoping that is not too crazy. My wife mostly drives the 335 and as you all know it is an awesome car. The z, to me is an entire different animal. It is youthful, pure, and the high revving engine gets the blood flowing like the torquey 335. Did I mention my wife only lets me take it out about once a week...lol

john370z 01-08-2009 09:36 PM

One thing I dont hear much about the 335 is the engine/auto-transmission relationship and how it is very different in that car than in most. The tranny short shifts and gets confused a lot. The high torque is difficult for the auto transmission to smoothly transfer to the wheels. Often with less than half throttle I look like a novice driver with a surge and a lull. I guess I am more in love with high hp high revving engines. I have not drivven the new z yet. I will give my comparo when I do....

AK370Z 01-08-2009 09:43 PM

Welcome to the forums John. The new 7AT transmission is pretty unique compare to the previous model tranny. It's more refined and does the rev match very uniquely. I have almost asked every 7AT 370Z owners to write a review on what they think and if there are any interesting findings.

http://www.the370z.com/members/ak370...e413-pic-4.png

Educ8r 01-08-2009 10:01 PM

The car is fast and I am glad I opted for the A/T, this is my first car with paddle shifters so I can't compare it to anything. Personally I feel the gear changes are quick.

RCZ 01-08-2009 10:18 PM

Its not bad.

john370z 01-08-2009 10:31 PM

I have not read if the AT is slower, quicker or the same....just speculations. If the mpg is better or worse...What is the best launch for the AT? What rpm r u at at highway cruising speeds? Are the shifts smooth or harsh? Is there a sport shift mode like BMW? and what is the difference. Thanks I love this forum!

bossman 01-09-2009 01:20 AM

the 7AT will be a tick faster, but apparently the manual is more "involving" and "fun"

Lug 01-09-2009 09:06 AM

Quote:

Originally Posted by bossman (Post 17753)
the 7AT will be a tick faster, but apparently the manual is more "involving" and "fun"

Why would it be a tic faster? The only AT's I've heard that were faster are true dual-clutch transmissions. A normal driver should be able to shift a bit faster than 500 milliseconds so it would basically have to be a gearing difference, maybe?

azn370z 01-09-2009 09:33 AM

Quote:

Originally Posted by Lug (Post 17846)
Why would it be a tic faster? The only AT's I've heard that were faster are true dual-clutch transmissions. A normal driver should be able to shift a bit faster than 500 milliseconds so it would basically have to be a gearing difference, maybe?

.5 sec is pretty fast, not dct fast but almost as fast. See how long it takes to press the clutch and change gears, and release the clutch. I think for most drivers it's going to take more than .5 secs.

RCZ 01-09-2009 11:45 AM

Quote:

Originally Posted by Lug (Post 17846)
Why would it be a tic faster? The only AT's I've heard that were faster are true dual-clutch transmissions. A normal driver should be able to shift a bit faster than 500 milliseconds so it would basically have to be a gearing difference, maybe?

Tick faster to what exactly ?...it shouldn't be a tick faster from a standstill to anything because you can't launch it. After that, anyone who knows how to shift a car should be able to shift in under 500ms...thats a half a second for you math impaired folks...

Quote:

Originally Posted by azn370z (Post 17850)
.5 sec is pretty fast, not dct fast but almost as fast. See how long it takes to press the clutch and change gears, and release the clutch. I think for most drivers it's going to take more than .5 secs.

You are certainly right, 500ms is fast for an automatic and not almost as fast as a DCT, sorry. The DCT in the M3 can do under 100ms and the DCT in the GT-R can do under 250ms. Also I don't know how much experience you have driving manual transmissions, but you press/depress the clutch and change the gear almost simultaneously, it isn't 3 different steps in practice. People who drive aggressively should be able to do this in less than 500 ms...

I'll give you the fact that the auto tranny in the Z isn't bad by automatic transmission standards, but don't think that it is better than a good driver with the manual.

Lug 01-09-2009 12:20 PM

Quote:

Originally Posted by RCZ (Post 17903)
Tick faster to what exactly ?...it shouldn't be a tick faster from a standstill to anything because you can't launch it. After that, anyone who knows how to shift a car should be able to shift in under 500ms...thats a half a second for you math impaired folks...



You are certainly right, 500ms is fast for an automatic and not almost as fast as a DCT, sorry. The DCT in the M3 can do under 100ms and the DCT in the GT-R can do under 250ms. Also I don't know how much experience you have driving manual transmissions, but you press/depress the clutch and change the gear almost simultaneously, it isn't 3 different steps in practice. People who drive aggressively should be able to do this in less than 500 ms...

I'll give you the fact that the auto tranny in the Z isn't bad by automatic transmission standards, but don't think that it is better than a good driver with the manual.

+1 I think a good driver can beat 300 milliseconds in a standard.

Joker57676 01-09-2009 03:04 PM

Quote:

Originally Posted by Lug (Post 17913)
+1 I think a good driver can beat 300 milliseconds in a standard.

My understanding is 300 milliseconds is about the norm for an experienced driver in a competitive environment. I have nothing to back that up, but I know I have read that somewhere.

Mark

nonsensez9 01-09-2009 07:26 PM

depends how far the clutch has to travel. For example, in a Mustang I can't see depressing the clutch an letting it out taking under .5 seconds


All times are GMT -5. The time now is 12:47 PM.

Powered by vBulletin® Version 3.8.4
Copyright ©2000 - 2024, Jelsoft Enterprises Ltd.
Search Engine Optimization by vBSEO 3.6.0 PL2