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Shifts that are jerky, are most likely to be driver error (a very small number will be from actual mechanical problems with the clutch or transmission). To eliminate jerkiness, all you have to do is ensure that your RPMs are appropriate for your speed and gear shift. It not exactly a simple procedure, but if you're not getting smooth shifts, the simple fact is that you are not rev-matching properly. Downshifting is a bit more tricky, but upshifting shouldn't be too difficult. When upshifting, you just need to be sure to release the clutch when RPMs are appropriate - it's going to take time, especially for a new MT driver, and will eventually just become feel. It's not rocket science, but it can be frustrating if you don't practice (and your DD route is generally not going to be the best practice method - find an empty stadium parking lot is my recommendation).
If you let out the clutch too quickly, the RPMs will be too high - solution is to wait a hair longer before letting out the clutch. If you let out the clutch too slowly, the RPMs will have dropped too low - solution is to blip the accelerator to bring the RPMs back to the proper number. If you have SRM, work on letting out the clutch steadily instead of dumping it - I find this virtually eliminates any jerking when downshifting. This isn't going to have any effect if you are downshifting from 5th to 2nd at 40 mph though... I'm talking about reasonable shifts for DDing. |
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I still could be letting it out too quickly, as I said I'm still getting use to the high catch point, but if I go too slow I feel as if I'm just riding the clutch. |
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Can a good manual driver be quicker than the 7at, why did the 7at feel like it had more practical low end torque
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Thanks for all the information!! I will definitely be paying more attention about how I shift, when I shift, etc. I will also be changing the gear oil, ima have to figure how to do that first lol.
My last question is this, I remember this one time it was summer and the car was right under the sun. when I got in the car i notice the stick was hot and super loose (that's what she said!) that day the car was shifting super smooth and I remember thinking i wish the car was always like this! What do u guys make of that? |
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But to give you a general answer, the 7AT in the Z is very well built, they do shift faster than MT. However, if you talking about laping a course, it really depends on the driver. The AT has a shorter gear ratio thus more low end torque. |
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Yeah, I've only had it about a month. And I notice too that slow driving seems REALLY slow at times, but I'm getting used to it too. :icon17: I'll have to work on it some. |
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the transmission oil does not "thicken" as much like under the cold temperature, that's why. |
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re: traction control: With my '13 with the Stillen SC (395 whp) I noticed the traction control kicking in constantly under hard acceleration. With the control disengaged I have found that I modulate the power better with my foot, the car is MUCH faster, with only very controllable wheel spin. Seems the nanny is over protective, and the traction control seems to restrict engine power - you can actually feel the hesitation every time the light comes on. For those of you who track your cars - Are 0-60 times generally helped or hindered by traction control? No doubt inexperienced drivers will be safer in all conditions with the switch "on" and all of us are safer with the switch "on" in inclement conditions. |
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Red Line Synthetic Oil - Gear Oil for Manual Transmissions - MT-85 75W85 GL-4 Gear Oil |
yah, before that, just learn how to shift the car. the tranny and oil in there is fine.
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I'm driving my first MT car too. About 2.5 months into ownership and I can feel my shifts getting smoother, more natural, and just better, but I know there's a long way to go.
I've let a couple other people drive my car and the car is smooth as silk. If I hadn't done this, I probably would have doubts, just like OP, as to how smooth the car can be. If you have someone you can trust, go for a ride with them. It's definitely worth finding out if the problem is the driver, not the car. While you're at it, pick up some tips. |
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