Z now chirps tires going to second gear

kannibul · 05-13-2010, 04:52 PM

Me:

RAWR 1st
RAWR 2nd
RA-meow 3rd

7AT

The colder it gets the more 3rd turns to a RAWR.

I've busted loose in 3rd going into 4th a couple of times...enough to kick the butt sideways a tiny bit on a straight road.

kannibul · 05-13-2010, 04:52 PM

Quote:

Originally Posted by ZKindaGuy

I switched from using Nissan Ester Oil to Pennzoil Ultra Synthetic. I noticed an immediate SOTP difference in the torque when in 1st gear. The car now chirps the wheels when going from 1st to 2nd gear. Never did that before....Never thought the Z ever could do that since it isn't really a torque monster by any stretch of the imagination.

I knew that Nissan Ester Oil lubrication capacity would have dampened the torque somewhat but I am surprised that the dampering was substatial enough to actually notice the difference when I switched to full synth.

Switching to full synth must have given me back at least 5 to 7 ft-lbs of low-end TQ to be able to notice it that much and chirp to 2nd!.

torque gain w/ oil. lol

shabarivas · 05-13-2010, 05:54 PM

Well of course you dont lol - its much shorter gearing

ZKindaGuy · 05-14-2010, 07:05 AM

Quote:

Originally Posted by kannibul

torque gain w/ oil. lol

I suggest you do a search on the internet because there are a ton of articles that talk about the increases in HP and torque a car will experience when they switch from natural to synthetic blends in oil.

The engine has less internal friction to overcome when using synthetics which acts to free up HP and TQ that is being lost to overcome the engines internal friction compared to natural oil.

JB-370z · 05-14-2010, 08:48 AM

I can chirp 3rd all day long.

Daishi · 05-14-2010, 09:45 AM

I can chirp 6th gear all day long..

rudi · 05-14-2010, 08:19 PM

I can chirp in reverse

mrcardio · 05-14-2010, 09:33 PM

I can make a 115 hp Civic Chirp 2 gear; chirping a gear doesn't by default mean the car is produces more torque. Just letting the clutch out too quickly can cause a chirp (it's not good for the drivetrain but it works). Use the same DYNO and do before and after runs if you want to see roughly how much more power you're making.

6SPD_FTW · 05-18-2010, 05:29 AM

What kind of tires do you have?
What is the temperature?
What is the tire pressure?
Auto or manual?
Is it wet or dry outside?
Are the tires warm?

All factors that play into "chirping" tires on shifts. If it were on the stock tires and it were 30ºF outside, I can chirp 4th. I can always chirp 2nd. If the cards are right, I can chirp 3rd.

The biggest influence on how well you can chirp tires are factors other than the power going to the tires. Always gotta think about how much traction you have between the tires and the road.

Late,
Trav

red6spd · 05-18-2010, 10:57 AM

HAHA. Did you guys know you could spin second in a Auto 2.5 Altima?? Seems very bad on the tranny but if you "manually" shift it into second it spins LOL. Never thought this would be a problem in a 332HP Z. Every video on line shows the Z spinning 2nd when they do a 0-60 or 1/4 mile.

Snakes709 · 05-18-2010, 11:16 AM

Quote:

Originally Posted by AK370Z

You're correct. It's our member snake709 (sp?). Though it is bottlefed

you are correct on your first statement, wrong on the second....

YouTube - Snakes709's Channel

Launch was horrible cuz of the track prep, cars were breaking down all night, spilling coolant and oil. However, by the time im going from 3rd-4th im off the prepped part of the track. Also i havent used the bottle yet, got everything all set up, just waiting for my AP to come in.

Boostcrazy · 05-18-2010, 11:32 AM

I chirp second completely stock all the time.

abakja1 · 05-18-2010, 04:00 PM

wow,...does it really matter?

lol...

05-14-2010, 08:48 AM	#20 (permalink)
JB-370z A True Z Fanatic Join Date: Apr 2009 Location: Houston, Tx Posts: 1,859 Drives: Stage 2 Twin Turbos Rep Power: 19	I can chirp 3rd all day long. __________________ ll Baker Tuning ll GTM ll Powerhouse Amuse ll HKS ll Up-Rev ll iForged ll AP Racing ll Pioneer ll SPL ll Bride ll Top Secret ll OS Giken ll GTM Stage 2 Twin Turboed 370z (First in Texas, Thanks To Baker Tuning)

05-14-2010, 09:33 PM	#23 (permalink)
mrcardio Base Member Join Date: May 2010 Location: Central Florida Posts: 219 Drives: 08 MS3 Rep Power: 14	I can make a 115 hp Civic Chirp 2 gear; chirping a gear doesn't by default mean the car is produces more torque. Just letting the clutch out too quickly can cause a chirp (it's not good for the drivetrain but it works). Use the same DYNO and do before and after runs if you want to see roughly how much more power you're making. Last edited by mrcardio; 05-14-2010 at 09:37 PM.

05-18-2010, 04:00 PM	#28 (permalink)
abakja1 Enthusiast Member Join Date: Sep 2009 Location: Hawaii Posts: 351 Drives: STI, MDX, Titan Rep Power: 304	wow,...does it really matter? lol... __________________ 2009 370z PG MODS: 19x9.5 & 19x10.5 Volk GTS Injen CAI, 5k HIDs, FI CF Catback, FI Hi-Flow Cat, Clazzio. Links: CLAZZIO, HID CHANGE Volk GTS Rims, Brembo

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05-13-2010, 04:52 PM	#16 (permalink)
kannibul A True Z Fanatic Join Date: Jun 2009 Location: Jenks, OK Posts: 2,281 Drives: 370z Touring/Sport Rep Power: 266	Me: RAWR 1st RAWR 2nd RA-meow 3rd 7AT The colder it gets the more 3rd turns to a RAWR. I've busted loose in 3rd going into 4th a couple of times...enough to kick the butt sideways a tiny bit on a straight road.

05-13-2010, 05:54 PM	#18 (permalink)
shabarivas A True Z Fanatic Join Date: Apr 2009 Location: Sacramento, CA Posts: 2,188 Drives: 370z MB 6mt Rep Power: 914	Well of course you dont lol - its much shorter gearing

05-14-2010, 09:45 AM	#21 (permalink)
Daishi Track Member Join Date: Jul 2009 Location: NJ Posts: 683 Drives: 09 370z 6Speed Rep Power: 16	I can chirp 6th gear all day long..

05-14-2010, 08:19 PM	#22 (permalink)
rudi Enthusiast Member Join Date: Jun 2009 Location: Australia Posts: 306 Drives: 370Z Australian Spec Rep Power: 15	I can chirp in reverse

05-18-2010, 05:29 AM	#24 (permalink)
6SPD_FTW Base Member Join Date: May 2009 Location: Bristol, VA Posts: 59 Drives: 09 370Z Bl 6MT Rep Power: 15	What kind of tires do you have? What is the temperature? What is the tire pressure? Auto or manual? Is it wet or dry outside? Are the tires warm? All factors that play into "chirping" tires on shifts. If it were on the stock tires and it were 30ºF outside, I can chirp 4th. I can always chirp 2nd. If the cards are right, I can chirp 3rd. The biggest influence on how well you can chirp tires are factors other than the power going to the tires. Always gotta think about how much traction you have between the tires and the road. Late, Trav

05-18-2010, 10:57 AM	#25 (permalink)
red6spd A True Z Fanatic Join Date: Apr 2010 Location: Long Island NY Posts: 3,277 Drives: 2010 Z Coupe M6 SPT Rep Power: 21	HAHA. Did you guys know you could spin second in a Auto 2.5 Altima?? Seems very bad on the tranny but if you "manually" shift it into second it spins LOL. Never thought this would be a problem in a 332HP Z. Every video on line shows the Z spinning 2nd when they do a 0-60 or 1/4 mile.

05-18-2010, 11:32 AM	#27 (permalink)
Boostcrazy Base Member Join Date: Jun 2009 Location: Sanford, FL Posts: 45 Drives: '13 PW 370Z Sports Rep Power: 15	I chirp second completely stock all the time.