The Official 370Z Autocross Thread

AutoX Z · 08-19-2014, 04:11 PM

Quote:

Originally Posted by gomer_110

While counter intuitive, I've had better luck turning the AC on max which forces the radiator fans to come on and stay on. Personally I think AC on works much better than full heat from personal experience.

Using the defrost setting runs the fans. I tested all the methods when I had my car during Texas summers and this combo worked the best. Keep the car running so you are actually circulating the oil and coolant.

Jason, VLSD is not defeatable but I never found it to be intrusive (read: it doesn't work) aside from the flashing light being distracting. The light in your video at 1:13 is something else though. I would check the manual and see what warning light is located there.

j-rho · 08-19-2014, 05:21 PM

I thought it was the trip odo lighting up, but in review it's probably just the sun hitting the speedo needle.

stuy486 · 08-19-2014, 06:43 PM

Quote:

Originally Posted by j-rho

I thought it was the trip odo lighting up, but in review it's probably just the sun hitting the speedo needle.

I've definitely noticed orange lights blinking during my runs, though I've never noticed any effect to how the car was behaving. You can see them in this video, for example at around 16s: AAA 112313 Practice Jeff - YouTube

AutoX Z · 08-19-2014, 08:49 PM

That orange light is the ELSD. If you have time to look at it during a run it is the traction control light flashing, which is why people incorrectly think you can't fully disable traction control. The red light is the rev limiter.

cjwsrt6 · 08-20-2014, 04:47 PM

Anyone autocross a convertible? I understand it would be heavier but other then that is there difference betterm the two in handling?

j-rho · 08-22-2014, 12:34 AM

I was pretty careful to not shut the car off hot - letting it continue to run to circulate oil and coolant until temps were down to ~205.

Went to do some front swaybar stuff, and found an explosion of smurf blood on the front undertray. Or maybe it was coolant.

It was all over the lower part of the radiator and frame rails too.

I know this car has a hard time staying cool, but this is just ridiculous. C'mon Nissan!

gomer_110 · 08-22-2014, 06:49 AM

Even when I was running my Z with the stock radiator I never had this issue. If I was you I'd be checking for a bad hose connection,etc. Also make sure you refill your system as this looks like it might be enough to actually cause you to be low on coolant.

14BlackCherry · 08-22-2014, 06:53 AM

My autocross runs this past weekend were in mid to upper 90 temps (3rd heat) and my oil temps never exceeded 220 degrees. We did 6 runs too which is unheard of here in the Colorado Region.

j-rho · 08-22-2014, 09:55 AM

It was evident this had all come out the coolant overflow tube. Perhaps I'll top off with some Redline water wetter. Maybe it had been overfilled a little from the factory?

cruzthepug · 08-22-2014, 10:05 AM

Quote:

Originally Posted by 14BlackCherry

My autocross runs this past weekend were in mid to upper 90 temps (3rd heat) and my oil temps never exceeded 220 degrees. We did 6 runs too which is unheard of here in the Colorado Region.

My car was showing outside temps of 102 at this past Sundays event. Oil and water temps all stayed normal and I shut it down between runs.

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AK370Z · 09-06-2014, 01:19 AM

Quote:

Originally Posted by AutoX Z

Hotchkis is the stiffest bar.

Flashing lights are most likely the light for the ELSD kicking in (car applying brakes to spinning tire).

Is this something new for the 2012+ model car? is vlsd different than elsd? Once VDC is turned off, I have successfully did 360 at autox venue. I'm not sure why it would apply brakes if it's turned off.

Nice sig. I see Mark Labbancz's Black 192 Z (previous)

chknhawk · 09-06-2014, 06:53 AM

Got 275 on my 19x9 sport rims.

cossie1600 · 09-06-2014, 06:18 PM

Quote:

Originally Posted by AK370Z

Is this something new for the 2012+ model car? is vlsd different than elsd? Once VDC is turned off, I have successfully did 360 at autox venue. I'm not sure why it would apply brakes if it's turned off.

Nice sig. I see Mark Labbancz's Black 192 Z (previous)

It's to minimize the inner wheel spin by applying brakes. All 370s have it

cjwsrt6 · 09-21-2014, 10:55 AM

I've seen a few guys running 275/35/19 or 295/30/19 all the way around on the stock sport rims but has anyone tried a 285/35/19? Bfgoodrich is showing a 285/35/19 now on tire rack and with 18's being so hard to find at a decent cost I was debating running some torn up old sport wheels instead. Just curious how these would fit under the front?

Bondfire · 09-29-2014, 07:22 PM

370z officially moved to BS next season. Nismo moved to AS

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08-19-2014, 08:49 PM	#559 (permalink)
AutoX Z Enthusiast Member Join Date: Jun 2009 Location: Houston, Tx Posts: 314 Drives: 370Z Base, Sport Rep Power: 15	That orange light is the ELSD. If you have time to look at it during a run it is the traction control light flashing, which is why people incorrectly think you can't fully disable traction control. The red light is the rev limiter. __________________ 2013 SCCA Solo National Champion VVV For Sale VVV

08-22-2014, 06:49 AM	#562 (permalink)
gomer_110 A True Z Fanatic Join Date: Aug 2011 Location: Perrysburg, OH Posts: 17,992 Drives: '11 Nismo #528 GM Rep Power: 36940	Even when I was running my Z with the stock radiator I never had this issue. If I was you I'd be checking for a bad hose connection,etc. Also make sure you refill your system as this looks like it might be enough to actually cause you to be low on coolant. __________________ '11 370Z Nismo #528 Fast Intentions \| Stillen \| Motordyne \| Uprev \| CSF \| Zspeed \| Z1 Motorsports \| AST \| Swift \| SPC \| SPL \| Whiteline \| Hotchkis \| Bride \| Schroth \| Robispec \| Cusco \| Nismo \| Volk \| Forgestar \| Hoosier \| RJM '17 Titan Bone Stock

09-06-2014, 06:53 AM	#567 (permalink)
chknhawk Track Member Join Date: May 2012 Location: Kentucky Posts: 541 Drives: Like a batouttahell! Rep Power: 13	Got 275 on my 19x9 sport rims. __________________ \| AEM \| INVIDIA \| GREDDY \| STANCE \| NISMO \| SETRAB \| STOPTECH \| HAWK \| TOYO \| HANKOOK \| BRIDE (wishlist) \|

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08-19-2014, 05:21 PM	#557 (permalink)
j-rho Base Member Join Date: Jul 2014 Location: San Diego Posts: 154 Drives: 1967 Camaro Z28 Rep Power: 10	I thought it was the trip odo lighting up, but in review it's probably just the sun hitting the speedo needle.

08-20-2014, 04:47 PM	#560 (permalink)
cjwsrt6 Enthusiast Member Join Date: Apr 2014 Location: Alabama Posts: 452 Drives: 2005 crossfire Srt6 Rep Power: 10	Anyone autocross a convertible? I understand it would be heavier but other then that is there difference betterm the two in handling?

08-22-2014, 12:34 AM	#561 (permalink)
j-rho Base Member Join Date: Jul 2014 Location: San Diego Posts: 154 Drives: 1967 Camaro Z28 Rep Power: 10	I was pretty careful to not shut the car off hot - letting it continue to run to circulate oil and coolant until temps were down to ~205. Went to do some front swaybar stuff, and found an explosion of smurf blood on the front undertray. Or maybe it was coolant. It was all over the lower part of the radiator and frame rails too. I know this car has a hard time staying cool, but this is just ridiculous. C'mon Nissan!

08-22-2014, 06:53 AM	#563 (permalink)
14BlackCherry Base Member Join Date: Jun 2014 Location: Colorado Age: 36 Posts: 178 Drives: 14 Nissan 370z BC M6 Rep Power: 10	My autocross runs this past weekend were in mid to upper 90 temps (3rd heat) and my oil temps never exceeded 220 degrees. We did 6 runs too which is unheard of here in the Colorado Region.

08-22-2014, 09:55 AM	#564 (permalink)
j-rho Base Member Join Date: Jul 2014 Location: San Diego Posts: 154 Drives: 1967 Camaro Z28 Rep Power: 10	It was evident this had all come out the coolant overflow tube. Perhaps I'll top off with some Redline water wetter. Maybe it had been overfilled a little from the factory?

09-21-2014, 10:55 AM	#569 (permalink)
cjwsrt6 Enthusiast Member Join Date: Apr 2014 Location: Alabama Posts: 452 Drives: 2005 crossfire Srt6 Rep Power: 10	I've seen a few guys running 275/35/19 or 295/30/19 all the way around on the stock sport rims but has anyone tried a 285/35/19? Bfgoodrich is showing a 285/35/19 now on tire rack and with 18's being so hard to find at a decent cost I was debating running some torn up old sport wheels instead. Just curious how these would fit under the front?

09-29-2014, 07:22 PM	#570 (permalink)
Bondfire Base Member Join Date: Oct 2011 Location: Jessup Posts: 81 Drives: 09 Nissan 370z - Yel Rep Power: 13	370z officially moved to BS next season. Nismo moved to AS Sent from my iPhone using Tapatalk