Here's really the reason why I prefer to keep my 6MT over trading it for a 7AT, I love the fact that I control every factor of my car's shifting in a 6MT...with the 7AT, you press the button, and a computer decides what gear to put it into based on your input, and then it "electronically" selects the gear for you...I like the SMG transmission, where it IS a manual transmission, but you just have a pump clutching & putting it into gear for you...I guess for me, the feeling is different driving when you know that your gear mechanics are the place you want them to be, rather than having a computer holding the gear for you...
I would have been more inclined to get an automatic had it been a sequential-shifter ONLY...meaning, no option to put into full automatic (like the last generation of the Toyota MR2 sequential shifter)...in my head, I feel that if I have a full automatic that it's not meant to be shifted manually, and I would get into the habit of not shifting, and in the long run, I'm just gonna get rid of the car cuz the "fun" factor is gone, just like with my G35c... |
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7AT changes to the next gear up or the next gear down *when* you tell it to - if you need to "skip" a gear, bump it twice...it does it. The only exception is if it's in "auto" mode *and* you either flip it to manual, or bump the "-" paddle shifter, it'll drop from 7 to 5 when going down the highway, and I still will sometimes bump it twice to kick it to 4th and haul...if you bump the "+" paddle, it stays in 7th and you can back it down to 6th if you so desire, or pull over the stick at that point and it'll stay in 7th (I need to double check on moving the stick, though I know it will stay in 7th with the paddles and being in auto mode) As for not being meant to - if that was the case, they wouldn't have made it so. |
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not knocking the 7AT but to compare the nissan 7AT to "autos" in Ferraris, GTRs, newer porsches, the new EVO, and F1 cars is a stretch as the 7AT is a conventional torque converter auto, where the "autos" of the other cars use a computer actuated clutch or dual clutch as in the PDK(porsche), DSG(audi) and nissan GTR.
not saying the 6MT is better than the 7AT, to me its personal preference. both make great sports cars. |
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don't get me wrong, I'm NOT knocking 7AT vs 6MT...I think the sequential automatic shifter in the 7AT is great, but it's just still not a manual transmission...a manual transmission is true gear and clutch shifting, whereas in the 7AT, it's a computer electronically imitating a manual....it's a great car if you want the occasional controlled driving, but it's still an automatic... |
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Both involve user intervention to make the shift, ie, pressing a paddle (or button), to initiate the shift, in sequence. Am I saying they perform equally, hell no, but from an "enthusiast" (controlled) driving perspective, how is it really all that different? In fact, I'd say the advantage would go here to the 7AT because you can keep both hands on the wheel and manage your transmission with a flick of a finger. It's not an automatic imitating a manual, it's an automatic imitating a dual-clutch sequential transmission (ie, fast shifts) in fact, you could look at it the other way and say that SRM is the 6MT imitating the 7AT... Until this car and it's transmission came along, I'd agree with you, automatics were slushy and too focused on being "smooth" in shifting...this car is anything but. Even in "auto" mode, it's still pretty firm between shifts. Move it over to manual mode, and it WILL NOT shift short allowing the driver to kill the engine for forgetting to downshift. |
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The shift speed of the 7AT is advertised as 500 milliseconds. This is very very fast for a slush bucket tranny. Most are closer to the 1 second range.
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I'm sure pretty soon, there will be a "SRM vs. natural downshift or heel-toe" thread...it's a preference, and I prefer the 6MT after almost trading it in for a 7AT...nothing against the 7AT, it's a great tranny, but I prefer just raw moving parts over an electronic limiter
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Does the 7AT double-clutch on up-shifts? My homeboy in auto-shop class who knows a lot about cars said that double-clutching is a must if you want to go faster.
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No, the Z does not have a double-clutch transmission.
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500 of something can't be the same as half of something else. |
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You want it to be half of 500 milliseconds?
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the Z will never have a dual clutch from factory.....
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does 500 not equal 1/2 of 1000 //// 1000 equal half of 2000 P.S. 500 miliseconds = 1/2 second Attachment 5690 |
double clutching can only be done on a manual trans..... not an auto... and it feels like it makes u go faster but actually it just burns ur clutch faster and basically jus makes ur car jump for a split sec forward...
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o man frost was that for me!!?!? did i embaress my self? hahaha
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there seems to be some confusion about double clutching and a dual clutch transmission.
double clutch is a driving technique, a way of shifting a manual transmission that involved depressing and releasing the clutch twice when shifting Double clutch - Wikipedia, the free encyclopedia Dual clutch is a type of manual transmission that utilizes two clutches to achieve very smooth shifts compared to regular automated manuals such as the BMW SMG(since replaced with a dual clutch design) HowStuffWorks "How Dual-clutch Transmissions Work" Twin-clutch gearbox - Wikipedia, the free encyclopedia |
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:icon18: o ok man i was like ****, LMAO...
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if u want the ulimate trans, get a dual clutch one....... so went u r in gear one ,...gear 2 is already spinning and awaiting to bang in....its like having 2 trans
thats a real dual'er |
i think that dude is talking about double clutching the technique.... not the trans one... haha
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only thing auto has is downshift rev match |
:rofl2:This thread has become very funny to read! :rofl2: :drama:
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7AT or 6MT, it's all good (even though the 7AT has the 6MT beat by a couple of tenths, then again, what it 2/10ths... silly) |
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but that's besides the point we're making right now :icon14: |
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:wtf2:
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My 7AT is sooooooo much fun to drive. All I had to do was drive both and was instantly sold after making the comparison. Paddle shifting is much faster than throwing that manual shift. When someone says why did you ever buy a sports car with an automatic trans. I say..........What's good enough for Formula 1 racing is good enough for me.......End of conversation.
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^^^^ ok nice fog on ur yellow z by the way
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