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-   -   modifying an automatic... (http://www.the370z.com/nissan-370z-general-discussions/88040-modifying-automatic.html)

tiger123 03-24-2014 05:56 PM

Quote:

Originally Posted by Codename067 (Post 2751559)
Hmm thanks for the info. I didn't know. The Autos i've driven were older ones. e46 m3, camaro, and evo. Those were fairly quick but a little boring to drive.

But I haven't driven new auto cars :icon14:

Go to a Nissan dealer and test drive a 7AT.......then come back and post your comments.

Agree with previous post. MT are going the way of the dinosaurs. Dual Clutch Auto's are taking over. Just look at Ferrari's. MT not even available in some of their newer lines and growing with various car MFG's as well.

The 370Z 7AT is faster than MT. I have driven both........And yes, you have absolutely full gear control.................Full control.

DjSquall 03-24-2014 06:11 PM

Quote:

Originally Posted by pedro_eskda (Post 2751309)
Would I be made fun of if I modify an automatic 370z? Or does it even really matter.

Just do some research on how much the A/T can handle before you go 400+ hp. Building it up ain't cheap.

And the haters... Will always hate.

karotZ 03-24-2014 06:16 PM

You are missing a pedal.

JWillis72 03-24-2014 06:36 PM

I just had my car at the tuners tuning for the Aquamist meth injection kit and while I was there we spent a lot of time on the 7 AT line pressures. The car now shifts so fast in high RPMs there is no way I could come close in a MT.

Z eliminator 03-24-2014 06:52 PM

i would like to see your map that you changed for the torque setting .
I have the GTM map for the my built stage 4 GTM.

thanks

Z

Jordo! 03-24-2014 07:00 PM

Quote:

Originally Posted by tiger123 (Post 2751606)
Go to a Nissan dealer and test drive a 7AT.......then come back and post your comments.

Agree with previous post. MT are going the way of the dinosaurs. Dual Clutch Auto's are taking over. Just look at Ferrari's. MT not even available in some of their newer lines and growing with various car MFG's as well.

The 370Z 7AT is faster than MT. I have driven both........And yes, you have absolutely full gear control.................Full control.

On that note, for me, the greatest evidence of a change in attitudes that match the change in tech: The BBC Top Gear lads NEVER complain about "flappy paddle" gear boxes anymore, which they used to do almost without fail.

In fact, they are more likely to praise them if they even mention it -- there are virtually no more high end cars that even offer a traditional 3 pedal set-up anymore.

In any case, although our AT is technically a fluid coupling trans, it has full lock up (i.e., a solid, mechanical link from engine to gearbox) in gears 2 - 7.

Moreover, the gearing ratios are very good, very close, and similar to those for MT, although needing an extra gear to achieve it. Additionally, as it turns out, in 0-60 runs (stock), the AT is typically found to be about .1 sec faster than the MT.

Finally, I have seen no clear evidence of any extra drivetrain loss either; it seems to make just as much power as the MT from various mods. The only major caveat would be that gears 5 and up tend to be prone to failure with the substantially higher increased torque and heat produced from a boosted motor.

I have no idea if failures on OEM clutch are more or less likely at significantly higher levels of torque, but I know that clutch failures (CSC) even without mods are common on the MT, so you probably break about even there.

So basically, personal preferences aside, both perform very well (as well as have their own unique set of drawbacks), and are both are appropriate for a sports car.

Apoc370z 03-24-2014 07:01 PM

Here we go again, the same MT vs AT ********.

Your car, mod it how you want. no one is gonna laugh at you for driving an AT no one will laugh at you if you mod it correctly. And when i say correctly i mean no lambo doors, no fart cannons, no stupid LEDs, no stupid camber settings, no random stickers/decals.

And definitely no putting the car on neutral on a stop light and pretends to be driving a stick.

JWillis72 03-24-2014 07:23 PM

Quote:

Originally Posted by Z eliminator (Post 2751665)
i would like to see your map that you changed for the torque setting .
I have the GTM map for the my built stage 4 GTM.

thanks

Z

My tune isn't locked but I don't have a UpRev cable to look at it. I will ask my tuner if he will send me it. We only tuned shifts above 4500 so on driving around town you cant tell. I have to imagine your stage 4 shift harder than my stock transmission tuned.

kenchan 03-24-2014 07:39 PM

:koolaidwall:

wstar 03-24-2014 07:40 PM

Quote:

Originally Posted by Jordo! (Post 2751687)
O
Moreover, the gearing ratios are very good, very close, and similar to those for MT, although needing an extra gear to achieve it.

Actually, I've just recently been staring at all the related numbers, and the ratios are quite different between the two:
7AT: 4.924, 3.194, 2.043, 1.412, 1.000, 0.862, 0.772 w/ 3.357 final drive
6MT: 3.794, 2.324, 1.624, 1.271, 1.000, 0.794 w/ 3.692 final drive
If you go ahead and multiply out for the final drive difference, you can see that the 7AT has a wider range on both ends; the low gears are even lower than the 6MT, and the high gears are higher:
7AT: 16.530, 10.722, 6.858, 4.740, 3.357, 2.894, 2.592
6MT: 14.007, 8.580, 5.996, 4.693, 3.692, 2.931
However, the percentage change in ratios between successive gears looks like this:
7AT: 35.1% -> 36.0% -> 30.9% -> 29.2% -> 13.8% -> 10.4%
6MT: 38.7% -> 30.1% -> 21.7% -> 21.3% -> 20.6%
Which means the 6MT has narrower gearing in the middle gears that you care most about (3->4->5), which keeps you in the powerband easier. The 7AT has wider gears at the bottom/middle, but then significantly narrower way out at the top (which is useless for anything but high-mpg cruising, unless you drop in a very very different final drive gear).

wstar 03-24-2014 07:53 PM

Quote:

Originally Posted by Apoc370z (Post 2751690)
And definitely no putting the car on neutral on a stop light and pretends to be driving a stick.

It's good for your brakes no matter what transmission you have; if the pads are hot, you don't want to bake them into the rotors in one spot clamping them down at a dead stop.

Z eliminator 03-24-2014 07:55 PM

In 5th it hits the speed limiter 155 mph 7 AT.

Zbrah 03-24-2014 07:58 PM

I have an auto for my weekend car, it only gets driven when I need to haul the preggo gf around :stirthepot:

JWillis72 03-24-2014 08:12 PM

My 7AT is spending this weekend running at Sebring running the 12 hour course close to the limit of it's torque so we will see what it can take. Fingers crossed!

wstar 03-24-2014 08:33 PM

Quote:

Originally Posted by JWillis72 (Post 2751855)
My 7AT is spending this weekend running at Sebring running the 12 hour course close to the limit of it's torque so we will see what it can take. Fingers crossed!

I hope you have a trans cooler installed!

Magic Bus 03-24-2014 09:19 PM

Dunno why all this hate about trannys. After all aren't tranny's people too :icon14:

b15 03-24-2014 09:44 PM

It's been awhile since we've had another At vs Mt thread.

AT guys love claiming its faster and MTs are dinosaurs. MT guys love saying they're more in control and manly.

Who's going to compare the 370z AT shifting to a real DCT? Haven't seen that yet...omgitsofast :stirthepot:

b15 03-24-2014 09:51 PM

Quote:

Originally Posted by tiger123 (Post 2751606)
Go to a Nissan dealer and test drive a 7AT.......then come back and post your comments.

Agree with previous post. MT are going the way of the dinosaurs. Dual Clutch Auto's are taking over. Just look at Ferrari's. MT not even available in some of their newer lines and growing with various car MFG's as well.

The 370Z 7AT is faster than MT. I have driven both........And yes, you have absolutely full gear control.................Full control.

Sure it has a manual mode but, to me, It's not the same driving experience. I extensively test drove both and bought the MT because I found it more enjoyable. Guess I'm a dinosaur! Still wouldn't change a thing if I had to do it over again tomorrow.

Wonka2581 03-24-2014 10:44 PM

Quote:

Originally Posted by Codename067 (Post 2751407)
The real answer I think depends on how you modify it.

And no offense to anyone that buys AT, but I can't possibly imagine driving a car like this, with automatic transmission. It defeats the entire purpose of having fun with a car as powerful as this, lets not forget gear control. Just my 2 cents

And what is wrong with modding or buying a 7AT?? I have a 7AT and love it! I have had plenty of MT cars, and by far this car is extremely fun in the 7AT version. I took it over the 6MT at the dealer. if you have not tryed out a 7AT go and test drive one, you will be second guessing your self on that 6MT you got!:rolleyes:

Wonka2581 03-24-2014 10:57 PM

Quote:

Originally Posted by Codename067 (Post 2751559)
Hmm thanks for the info. I didn't know. The Autos i've driven were older ones. e46 m3, camaro, and evo. Those were fairly quick but a little boring to drive.

But I haven't driven new auto cars :icon14:

Dude you really need to drive the new 7AT in the 370z. its amazing, now thats only in the 370z/G37 the 350z/g35 auto trannys are junk...

alcheng 03-24-2014 11:16 PM

Quote:

Originally Posted by kenchan (Post 2751454)
:iagree: oh, and no plasti-shitt. :mad:

pasta dip.... :yum::yum:


Quote:

Originally Posted by XiP (Post 2751461)
don't we have a thread for stuff like that? there was a Z in there with lights all over and stickers of flames lol

yes... and eventually the OP was completely burnt.... :bowrofl:

DjSquall 03-25-2014 05:08 AM

Quote:

Originally Posted by b15 (Post 2751996)
It's been awhile since we've had another At vs Mt thread.

AT guys love claiming its faster and MTs are dinosaurs. MT guys love saying they're more in control and manly.

Who's going to compare the 370z AT shifting to a real DCT? Haven't seen that yet...omgitsofast :stirthepot:

A/T vs M/T will always be an argument of fact vs opinion. It's like arguing science vs religion. The beliebers will always preach.

Elan 03-25-2014 07:53 AM

Quote:

Originally Posted by Tadpole (Post 2751550)
Why is everyone hating on the A/T? Silly boys want to play with a stick and stomp on the floor board all the time and thats better? Im all about the A/T and glad I have it.

M/T are dinosaurs and disappearing for a reason guys. :stirthepot:

Seriously grow up.

DjSquall 03-25-2014 08:14 AM

1 Attachment(s)
Quote:

Originally Posted by Elan (Post 2752278)
Seriously grow up.

Lol

Zerocool 03-25-2014 11:37 AM

Mine is Auto and I'm planning on doing all the bolt on's I can. It's your car, why care about what others think?


Just keep in mind that the fast and the furious is just a movie.

kenchan 03-25-2014 11:48 AM

Quote:

Originally Posted by Zerocool (Post 2752699)
Mine is Auto and I'm planning on doing all the bolt on's I can. It's your car, why care about what others think?

Just keep in mind that the fast and the furious is just a movie.

:facepalm: you need to realize that posts like this make the AT decision sound more inferior than MT's.

Zerocool 03-25-2014 03:50 PM

Quote:

Originally Posted by kenchan (Post 2752715)
:facepalm: you need to realize that posts like this make the AT decision sound more inferior than MT's.

That's fine because that's YOUR opinion and I'll respect that. As I said, don't care what others think! your ride is your ride. Do what you want with it and let others do what they want with theirs. I don't care much for the AT vs MT never ending battle either, as long as we're all having fun because that's....the point? or have I gotten that terribly wrong :roflpuke2:

Austonian 03-25-2014 03:55 PM

I bought the AT and thought I wanted a MT after a little while and now because I drive the car everyday in traffic half asleep and eating my breakfast and using my phone I prefer it over stick.
And its easier to get roadhead in. (sorry)

DjSquall 03-25-2014 04:01 PM

Ok guys, enough of this A/T vs M/T babble. The real question is..

Which oil should I use?

FPenvy 03-25-2014 04:04 PM

IBTL :shakes head:

Tadpole 03-25-2014 04:08 PM

Quote:

Originally Posted by Elan (Post 2752278)
Seriously grow up.

I am grown Elan. :wtf:

kenchan 03-25-2014 04:11 PM

Quote:

Originally Posted by Zerocool (Post 2753123)
That's fine because that's YOUR opinion and I'll respect that. As I said, don't care what others think! your ride is your ride. Do what you want with it and let others do what they want with theirs. I don't care much for the AT vs MT never ending battle either, as long as we're all having fun because that's....the point? or have I gotten that terribly wrong :roflpuke2:

your post sounds like alvin speaking.

kenchan 03-25-2014 04:11 PM

Quote:

Originally Posted by FPenvy (Post 2753156)
IBTL :shakes head:

:iagree:

falconfixer 03-25-2014 04:15 PM

Quote:

Originally Posted by FPenvy (Post 2753156)
IBTL :shakes head:

+1

b15 03-25-2014 04:32 PM

I wonder....which AT owners can actually drive a manual...

Not that it matters but I'm sure there are tons that cannot, but say they can. This is the interwebs afterall.

kenchan 03-25-2014 04:37 PM

Quote:

Originally Posted by b15 (Post 2753212)
I wonder....which AT owners actually drive an manual...

Not that it matters but I'm sure there are tons that cannot, but say they can. This is the interwebs afterall.


b15- so wat you're really saying is that one's not a car enthusiast unless they can truely DRIVE a MT car.

thanks for stirring up the pot even more. :shakes head:




:rofl2:

kenchan 03-25-2014 04:40 PM

oh i can almost hear alvin typing ferociously!!

b15 03-25-2014 04:42 PM

Quote:

Originally Posted by kenchan (Post 2753219)
b15- so wat you're really saying is that one's not a car enthusiast unless they can truely DRIVE a MT car.

thanks for stirring up the pot even more. :shakes head:




:rofl2:

haha no no no. I'm just wondering who can actually drive a manual and actually test drove one. OR if they just bought the AT by default. Obviously there's no way to prove it, but whatever.

I knew a guy that proclaimed to know how to drive manual (and all the associated techniques), but he never owned any manual cars and in the 3 years I knew him, I never saw him drive an MT. So finally a buddy and I put him behind the wheel of a 5MT accord (VERY easy to drive). After much teasing, he finally got in and he couldn't make it down the street....

kenchan 03-25-2014 04:50 PM

Quote:

Originally Posted by b15 (Post 2753233)
haha no no no. I'm just wondering who can actually drive a manual and actually test drove one. OR if they just bought the AT by default. Obviously there's no way to prove it, but whatever.

I knew a guy that proclaimed to know how to drive manual (and all the associated techniques), but he never owned any manual cars and in the 3 years I knew him, I never saw him drive an MT. So finally a buddy and I put him behind the wheel of a 5MT accord (VERY easy to drive). After much teasing, he finally got in and he couldn't make it down the street....

:rofl2: hahahaha!!

Zerocool 03-25-2014 05:07 PM

Quote:

Originally Posted by kenchan (Post 2753228)
oh i can almost hear alvin typing ferociously!!

http://www.behindtheblueline.ca/blog...oads/troll.jpg


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