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-   -   Wheels aren't making the 1>2 shift chirp (https://my350z.com/forum/drag/364510-wheels-arent-making-the-1-2-shift-chirp.html)

Phenom 06-05-2008 07:23 PM

Wheels aren't making the 1>2 shift chirp
 
I noticed that my tires stopped chirping when I shift into second. It used to do it every single time (last summer), and since then nothings changed on the car (no mods, same tires). I've driven it between now and last summer but rarely because I was away at school, so it did a lot of sitting in the garage. But even when I did drive it, it was never WOT. I can't figure out what would be causing this.

Should I be concerned, could I have lost some hp/tq somehow? I've never had it dyno'd, but for what it's worth, it feels just as quick as it used to but I'm not really sure what to think. Any advice is appreciated, thanks.

GA_VQ 06-05-2008 07:44 PM

Clutch?

quiksilver38 06-05-2008 07:57 PM

i noticed that happend to me too then i changed the clutch with a JWT and once broken in (hopefully later this week) i should be able to chirp 4th.

Phenom 06-05-2008 08:00 PM

There's 4000 miles on the clutch, and I just had the clave cylinder recall done a week ago. Could this be it, or maybe my shifting technique has changed slightly without me realizing it?

davidv 06-06-2008 05:16 AM

Sorry but what does this have to do with drag racing?

blasian 06-06-2008 05:20 AM

Don't you want to minimize chirping anyway in the 1/4?

Phenom 06-06-2008 06:02 AM


Originally Posted by davidv
Sorry but what does this have to do with drag racing?

Typically that's when your wheels would spin shifting from first to second. You know, stright line, WOT. Sounds like drag racing to me.


Originally Posted by blasian
Don't you want to minimize chirping anyway in the 1/4?

Yeah, but the fact that the chirping stopped without changing anything on the car makes me think I'm losing power or something.

blasian 06-06-2008 06:04 AM

I can chirp 2nd without drag racing.

davidv 06-06-2008 06:33 AM


Originally Posted by Phenom
Typically that's when your wheels would spin shifting from first to second. You know, stright line, WOT. Sounds like drag racing to me.



Yeah, but the fact that the chirping stopped without changing anything on the car makes me think I'm losing power or something.

I would want to keep torque to the drive wheels always. If you let off the gas, picked up the RPM, then come in hard on the next gear, I suppose you could get the tires to chirp. The chirp is cool. ET would stink.

blasian 06-06-2008 06:34 AM

I think he needs a picture to educate him david :hehehe:

Concave 06-06-2008 08:04 AM

oil change?

Ex2cinaZ 06-06-2008 08:16 AM


Originally Posted by quiksilver38
i noticed that happend to me too then i changed the clutch with a JWT and once broken in (hopefully later this week) i should be able to chirp 4th.


OOOHHHH my god I love that clutch. I had it on my 06 roadster I could burn 1st and 2nd then chirp 3rd and 4th LOVED IT:D

gabez33 06-06-2008 08:24 AM


Originally Posted by Phenom
I noticed that my tires stopped chirping when I shift into second. It used to do it every single time (last summer), and since then nothings changed on the car (no mods, same tires). I've driven it between now and last summer but rarely because I was away at school, so it did a lot of sitting in the garage. But even when I did drive it, it was never WOT. I can't figure out what would be causing this.

Should I be concerned, could I have lost some hp/tq somehow? I've never had it dyno'd, but for what it's worth, it feels just as quick as it used to but I'm not really sure what to think. Any advice is appreciated, thanks.

what are you shift points?? Maybe your just driving the Z allot better now

Spork 06-06-2008 09:14 AM

Your driving technique has slowly changed. No big deal.

ct350z 06-06-2008 10:12 AM


Originally Posted by davidv
Sorry but what does this have to do with drag racing?

+1

Phenom 06-06-2008 03:21 PM


Originally Posted by Concave
oil change?

I switched to Mobil1 5W-30 at 3000 miles.

My guess is something with my technique changed without me noticing due to the long period of not driving it. No reason to lose any sleep I guess. Thanks to those who've helped.

Phenom 06-06-2008 03:22 PM


Originally Posted by blasian
I can chirp 2nd without drag racing.

Cool!

VeeTec 06-06-2008 09:41 PM

There are a lot of factors, which include the surface, clutch and tires.

I wouldn't lose any sleep over it, as I run my best times when the tires bite without slipping first.

Zridder19 06-06-2008 09:57 PM

I has all 2nd gear spin, wat is teh probzorz?

*pui*

coachk 06-08-2008 04:20 AM


Originally Posted by Zridder19
I has all 2nd gear spin, wat is teh probzorz?

*pui*


^^^^^^^ Jordan are you liquored up again ^^^^^^ :)


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