What are your 7AT experiences?...

john370z · 01-08-2009, 07:56 PM

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, 10:00 PM

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

john370z · 01-08-2009, 10:30 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, 10:36 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, 10:43 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.

Educ8r · 01-08-2009, 11:01 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, 11:18 PM

Its not bad.

john370z · 01-08-2009, 11:31 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, 02:20 AM

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

Lug · 01-09-2009, 10:06 AM

Quote:

Originally Posted by bossman

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, 10:33 AM

Quote:

Originally Posted by Lug

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, 12:45 PM

Quote:

Originally Posted by Lug

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

.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, 01:20 PM

Quote:

Originally Posted by RCZ

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, 04:04 PM

Quote:

Originally Posted by Lug

+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, 08:26 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

01-08-2009, 07:56 PM	#1 (permalink)
john370z Base Member Join Date: Jan 2009 Location: new mexico Posts: 141 Drives: 2007 335i coupe Rep Power: 283	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?

01-08-2009, 10:43 PM	#5 (permalink)
AK370Z Administrator Join Date: Sep 2008 Location: NJ Posts: 9,930 Drives: 09 370Z MB Sports M6 Rep Power: 10	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. __________________ The370Z Signature Pictures ll Want to rock our forum decals on your car? Then click here! ll How to Embed YouTube Videos In a Post STOP! (Hammertime) ll Become a Premium Member Click HERE ll F.A.Q. Are You a Nissan Dealer? Click Here to Become A "Supporting Dealer" and Start Listing Your 370Zs In Our Inventory Section My Monterey Blue Z ll My Exhaust --> My Intake --> G3 Nissan's Official Response Regarding Oil Temp Issue: CLICK HERE Need a Set of Cheap Winter wheels /Tires? Then Visit The Banner Link Below and Place Your Order. You'll Help Keep The370Z Alive.

01-08-2009, 10:00 PM	#2 (permalink)
bossman Banned Join Date: Dec 2008 Location: Hawaii Posts: 169 Drives: 04 Xterra SE 4X4 S/C Rep Power: 0	you're getting a 370 even tho you got a brand new 335i?

01-08-2009, 10:30 PM	#3 (permalink)
john370z Base Member Join Date: Jan 2009 Location: new mexico Posts: 141 Drives: 2007 335i coupe Rep Power: 283	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

01-08-2009, 10:36 PM	#4 (permalink)
john370z Base Member Join Date: Jan 2009 Location: new mexico Posts: 141 Drives: 2007 335i coupe Rep Power: 283	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....

01-08-2009, 11:01 PM	#6 (permalink)
Educ8r Enthusiast Member Join Date: Nov 2008 Location: Houston Posts: 397 Drives: a car Rep Power: 17	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.

01-08-2009, 11:18 PM	#7 (permalink)
RCZ A True Z Fanatic Join Date: Nov 2008 Location: Miami Posts: 6,403 Drives: '09 370Z Rep Power: 1119	Its not bad.

01-08-2009, 11:31 PM	#8 (permalink)
john370z Base Member Join Date: Jan 2009 Location: new mexico Posts: 141 Drives: 2007 335i coupe Rep Power: 283	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!

01-09-2009, 02:20 AM	#9 (permalink)
bossman Banned Join Date: Dec 2008 Location: Hawaii Posts: 169 Drives: 04 Xterra SE 4X4 S/C Rep Power: 0	the 7AT will be a tick faster, but apparently the manual is more "involving" and "fun"

01-09-2009, 08:26 PM	#15 (permalink)
nonsensez9 Base Member Join Date: Dec 2008 Location: BC Posts: 8 Drives: junker Rep Power: 17	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