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The Official 370Z Autocross Thread

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

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Old 08-19-2014, 04:11 PM   #556 (permalink)
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Quote:
Originally Posted by gomer_110 View Post
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.
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Old 08-19-2014, 05:21 PM   #557 (permalink)
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I thought it was the trip odo lighting up, but in review it's probably just the sun hitting the speedo needle.
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Old 08-19-2014, 06:43 PM   #558 (permalink)
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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
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Old 08-19-2014, 08:49 PM   #559 (permalink)
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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.
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Old 08-20-2014, 04:47 PM   #560 (permalink)
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Anyone autocross a convertible? I understand it would be heavier but other then that is there difference betterm the two in handling?
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Old 08-22-2014, 12:34 AM   #561 (permalink)
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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!
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Old 08-22-2014, 06:49 AM   #562 (permalink)
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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.
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Old 08-22-2014, 06:53 AM   #563 (permalink)
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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.
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Old 08-22-2014, 09:55 AM   #564 (permalink)
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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?
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Old 08-22-2014, 10:05 AM   #565 (permalink)
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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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Old 09-06-2014, 01:19 AM   #566 (permalink)
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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)
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Old 09-06-2014, 06:53 AM   #567 (permalink)
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Got 275 on my 19x9 sport rims.
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Old 09-06-2014, 06:18 PM   #568 (permalink)
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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
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Old 09-21-2014, 10:55 AM   #569 (permalink)
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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?
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Old 09-29-2014, 07:22 PM   #570 (permalink)
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370z officially moved to BS next season. Nismo moved to AS


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