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-   -   Jerky at low RPMS (http://www.the370z.com/nissan-370z-general-discussions/7857-jerky-low-rpms.html)

ZForce 08-14-2009 12:54 AM

Great thread guys, a lot good info. I thought the car was starving for gas until I found this thread.

armensti 08-14-2009 03:54 AM

Quote:

Originally Posted by spearfish25 (Post 150579)
I bet you'd spin the tires if you pop the clutch at 5k RPM from a stop in 2nd gear.

i dont think thats possible....... is it?:stirthepot:

Gaiiden 08-15-2009 05:56 PM

Quote:

Originally Posted by armensti (Post 150843)
i dont think thats possible....... is it?:stirthepot:

I know you can easily spin through to third gear if you floor it, so I would think this is possible. What were your results Red370?

Red370 08-15-2009 08:16 PM

Quote:

Originally Posted by Gaiiden (Post 152409)
I know you can easily spin through to third gear if you floor it, so I would think this is possible. What were your results Red370?

sure as shyte, I chirped a bit. However, to start slowly from 2nd while preventing the engine from bogging will take some practice.

Gaiiden 08-16-2009 09:42 AM

Quote:

Originally Posted by Red370 (Post 152507)
sure as shyte, I chirped a bit. However, to start slowly from 2nd while preventing the engine from bogging will take some practice.

I once actually rolled away from a light in third gear in my 350Z - I came to a red light that turned green right away and did not remember to shift back to 1st :P It took me a few seconds to realize what I did, the engine just bogged down so I instinctively gave it more gas until I was moving. I wouldn't do it again on purpose tho!

ZKindaGuy 08-16-2009 09:53 AM

Quote:

Originally Posted by Modshack (Post 148255)
Be a little more aggressive on the gas pedal...

:iagree: Bingo! It's you....its that plain and that simple.

m4a1mustang 08-16-2009 09:58 AM

Quote:

Originally Posted by ZKindaGuy (Post 152960)
:iagree: Bingo! It's you....its that plain and that simple.

I love how the internet turns us all into big, bold, badasses. :icon18:

ZKindaGuy 08-16-2009 01:11 PM

Quote:

Originally Posted by m4a1mustang (Post 152961)
I love how the internet turns us all into big, bold, badasses. :icon18:

No one is being a bad *** about anything. It's not rocket science...its just common sense...that's why it is so painfully obvious.

m4a1mustang 08-16-2009 01:31 PM

Quote:

Originally Posted by ZKindaGuy (Post 153218)
No one is being a bad *** about anything. It's not rocket science...its just common sense...that's why it is so painfully obvious.

:bowrofl:

JoeD 09-04-2009 03:07 AM

Interesting how people mention the unusual clutch-engagement...the first time I drove a G35 several years ago, it seemed as if I was over-revving the engine on every up-ship while driving aggressively, and for the life of me I could not figure out why. It was as if I was not letting off the throttle while shifting. Shifting prior to redline, say 5500 RPM, in WOT runs would cause the tach to jump well past 7000 RPM and make me seem like a complete n00b.

I then realized the engagement-point was well off most other cars, so I had to adjust my driving accordingly. It takes about two days to get used to any new car to rid yourself of any jerkiness and/or mistake.

bloodo 09-04-2009 02:44 PM

Quote:

Originally Posted by JoeD (Post 185723)
Interesting how people mention the unusual clutch-engagement...the first time I drove a G35 several years ago, it seemed as if I was over-revving the engine on every up-ship while driving aggressively, and for the life of me I could not figure out why. It was as if I was not letting off the throttle while shifting. Shifting prior to redline, say 5500 RPM, in WOT runs would cause the tach to jump well past 7000 RPM and make me seem like a complete n00b.

I then realized the engagement-point was well off most other cars, so I had to adjust my driving accordingly. It takes about two days to get used to any new car to rid yourself of any jerkiness and/or mistake.

Hey, that is exactly what happened when I test drove a G35 awhile back. I haven't really drive a manual after high school (I replaced my manual vehicle with a motorcycle and got an AT car for winter.) and I was thinking to myself "did I really forget how to drive a manual?" It was kind of embarrassing when you have your gf and a hot saleswoman riding along with you.

I drove a G37 afterward and noticed the different.

jayhuffdaddy 03-15-2011 08:30 PM

I have a 7AT and I noticed that my car is jerking when I'm slowing down. Anyone know what this could be? Seems to jerk when the car is pulling up to a stop sign or red light. Sometimes jerks when I leave a light or stop sign as well.

shadoquad 03-15-2011 08:32 PM

http://www.motifake.com/image/demoti...1271554886.jpg

AlphaSnacks 03-15-2011 08:40 PM

Quote:

Originally Posted by jayhuffdaddy (Post 989281)
I have a 7AT and I noticed that my car is jerking when I'm slowing down. Anyone know what this could be? Seems to jerk when the car is pulling up to a stop sign or red light. Sometimes jerks when I leave a light or stop sign as well.

Wtf...that's called an automatic shifting up and down. Is this your first car?

+1 shado

jayhuffdaddy 03-16-2011 09:30 AM

I know what an automatic is. It feels like it is jerking more than usual. If you don't have anything good to contribute don't post anything at all.

Quote:

Originally Posted by Arnold K. (Post 989289)
Wtf...that's called an automatic shifting up and down. Is this your first car?

+1 shado


jayhuffdaddy 03-16-2011 09:32 AM

Guess you can't help either. Valid question and trolls come on here posting junk.

Quote:

Originally Posted by shadoquad (Post 989283)


EazyD 03-16-2011 10:06 AM

Do you have it in D? or 'manual' mode?

If it's in manual mode and you're in a gear too low for your speed, you'll engine brake.

Red__Zed 03-16-2011 10:08 AM

Quote:

Originally Posted by jayhuffdaddy (Post 990062)
Guess you can't help either. Valid question and trolls come on here posting junk.

Maybe rather than bumper an old-*** thread with an offtopic post, you could have started a new one.

jayhuffdaddy 03-16-2011 10:09 AM

Quote:

Originally Posted by EazyD (Post 990123)
Do you have it in D? or 'manual' mode?

If it's in manual mode and you're in a gear too low for your speed, you'll engine brake.

D

tonybui 03-16-2011 10:22 AM

So you guys said just apply more gas to not get the jerk ?? well that's plain obvious

Now I have a problem with jerking at low RPMs also when driving in jammed traffic. Driving in 2nd gear, the car in front brakes, I let go of the clutch slowly (didnt want to go to neutral because the car in front would move pretty damn soon) and everything is fine, and then it jerks like 1 second later for maybe 2 times until the car in front moves and then I apply more gas then its fine and then it would happen again. The funny thing is it happens sometimes and sometimes it's smooth. Its my first manual car, so anyone mind sharing your experience on driving in jammed traffic would be much appreciated !!

jayhuffdaddy 03-16-2011 10:47 AM

Quote:

Originally Posted by Red__Zed (Post 990125)
Maybe rather than bumper an old-*** thread with an offtopic post, you could have started a new one.

Thought that was frowned upon. I used the search button so i would not have to create a thread that was already talking about the issue.

Red__Zed 03-16-2011 10:49 AM

Quote:

Originally Posted by jayhuffdaddy (Post 990196)
Thought that was frowned upon. I used the search button so i would not have to create a thread that was already talking about the issue.

Different "issue", way too old of a thread to bring back. If it's from like a couple months ago it's no biggie, but this is from 09.

Xander117 03-16-2011 10:53 AM

Quote:

Originally Posted by shadoquad (Post 989283)

:rofl2:

I am so stealing this.

Cmike2780 03-16-2011 11:11 AM

Quote:

Originally Posted by tonybui (Post 990151)
So you guys said just apply more gas to not get the jerk ?? well that's plain obvious

Now I have a problem with jerking at low RPMs also when driving in jammed traffic. Driving in 2nd gear, the car in front brakes, I let go of the clutch slowly (didnt want to go to neutral because the car in front would move pretty damn soon) and everything is fine, and then it jerks like 1 second later for maybe 2 times until the car in front moves and then I apply more gas then its fine and then it would happen again. The funny thing is it happens sometimes and sometimes it's smooth. Its my first manual car, so anyone mind sharing your experience on driving in jammed traffic would be much appreciated !!

You're doing fine. You just need to get a feel for when you should disengage the clutch before it stalls. Unless your nearly stopped, below say 5 mph, leave the clutch engaged in 2nd gear or drop down to 1st. You will only stall when your pretty much stopped. Also, I like to keep a big space between the car in front of me in stop & go traffic so I don't have to downshift to 1st if possible. People will take advantage and cut you off, but you just have to let it go.

It's not a 100% remedy, but you will have less bucking with more practice and experience. Good luck :)

OldGuy 03-16-2011 02:04 PM

Quote:

Originally Posted by khtso (Post 148248)
I've noticed this from when I first got the car, but now finally decided to ask you guys about it. At low RPMs, like in first gear leaving a stop light, the car feels jerky. I watch the RPMs, and they don't go up smoothly but the car kinda bucks slightly. It happens every time. Seems to only be an issue in 1st and maybe 2nd gear, when accelerating slowly. Does anyone else have this problem, or is it just my car?

I've had that also on my '09 Base automatic, especially when I first start out at a modest speed in the morning. I've been repeatedly assured it's normal and nothing to be concerned about. If I put a little more gas on, it doesn't seem to happen.

shadoquad 03-16-2011 04:42 PM

Quote:

Originally Posted by jayhuffdaddy (Post 990062)
Guess you can't help either. Valid question and trolls come on here posting junk.

I think you need thicker skin. You bumped a 2-yr-old thread. That's what I poked fun at. It's nothing personal. I hope you get an answer that satisfies your need. But I'm still going to have fun.

jayhuffdaddy 03-16-2011 06:24 PM

Quote:

Originally Posted by shadoquad (Post 991273)
I think you need thicker skin. You bumped a 2-yr-old thread. That's what I poked fun at. It's nothing personal. I hope you get an answer that satisfies your need. But I'm still going to have fun.

No biggie. Just irritating on why the car is doing that. Maybe it is normal. This is the best car I have ever owned, coming from a GMC Sierra and a Scion TC.

BeachZTT 03-16-2011 08:15 PM

I will poke an old thread... :) My roadster felt the same way... until I installed the Stillen G3. Feels like a different car. Seriously.

alb84z31t 03-16-2011 08:24 PM

I also noticed this issue. I thought it was my shifting also being that I haven't owned a manual in several years. I replaced the stock air boxes with JWT Pop Charger and that made a huge difference. Until I read this though I just figured I was getting better with shifting again.


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