The Official 370Z Autocross Thread

xxAGAVExx · 04-20-2016, 12:14 PM

Nothing special for the Z, just turn off VDC

Sent from my iPhone using Tapatalk

carlitos_370z · 04-20-2016, 01:17 PM

Quote:

Originally Posted by xxAGAVExx

Nothing special for the Z, just turn off VDC

Sent from my iPhone using Tapatalk

Rusty · 04-20-2016, 04:52 PM

Quote:

Originally Posted by carlitos_370z

cjwsrt6 · 04-20-2016, 03:21 PM

If it's your first autocross in general just go out and have fun, pay attention to safety meetings and enjoy, don't try too hard, smooth is fast

Slartibartfas · 04-20-2016, 04:13 PM

Water. Take water. You'll be there quite some time.

kbc749 · 04-20-2016, 11:16 PM

Thank you all for your valuable input. I'm so excited for this weekend.

danegrey · 04-21-2016, 04:04 AM

Just have fun and good luck .......

kbc749 · 05-03-2016, 11:13 PM

I've got a tire question for you experience autocrossers.

So after taking the starting line school and competing in one competition, driving on my Fuzion UHP's, that were in the "yellow" before the competition. And keep in mind I have the base model with no VLSD.

I have completely balded the inside half of my left rear tire. Now I can think of a couple possibilities.

1) the tire was just on its way out and then since the skid pad practice course was mainly left turns, and there were two sweeping left handers on the competition course. The left rear wheel was the one that was most likely to slip, and without a LSD it did, then the worse the tread got, the easier it was to slip.
2) the rim is somehow uneven, causing uneven wear
3)autoX is super hard on tires

Does anyone have a similar experience or recommendations? I want to enter the Spring Nationals but I can't really justify it if I'm gonna fry another $100 from one event haha.

Thanks

KBC749

gomer_110 · 05-04-2016, 06:49 AM

Autox schools will put a lot more wear on the tires than just a normal event will. This is especially true for national events where you only get three runs on a course.

Get new tires (RE-71R's or Rival S's) and get back out there.

gomer_110 · 05-11-2016, 07:20 PM

A little 2 wheel fun from this last weekends ProSolo in Wilmington. Didn't even realize I was bicycling until I saw this picture.

PharmDZ · 05-12-2016, 08:13 AM

Quote:

Originally Posted by gomer_110

A little 2 wheel fun from this last weekends ProSolo in Wilmington. Didn't even realize I was bicycling until I saw this picture.

Hah awesome shot... just signed up for the DC Championship Tour. I know I've asked before, but what wheel/tire setup are you running? I really have to invest in some slicks soon to start being competitive in ASP. Locally I can get away with my square 295 R888 setup for now.

gomer_110 · 06-15-2016, 07:06 PM

Quote:

Originally Posted by PharmDZ

... just signed up for the DC Championship Tour.

Just looked at the entry list for the DC Tour. You've got some strong competition with Rogerson/Janveaux and the Hockenbury's there. Good luck.

PharmDZ · 06-15-2016, 11:22 PM

Quote:

Originally Posted by gomer_110

Just looked at the entry list for the DC Tour. You've got some strong competition with Rogerson/Janveaux and the Hockenbury's there. Good luck.

Thanks! I'm gonna get my a$$ handed to me being on R888's, but it'll be a good experience. Next year I plan on coming with a stronger wheel/tire setup and more seat time. Just did Evo School phase 1 and I'll get phase 2 in next year. Felt like it helped my driving plenty. We'll see what I can apply this weekend.

gomer_110 · 05-12-2016, 08:19 AM

Volk TE37sl's 18x10 +30 front, 18x11 +18 rear, 315/30-18 Hoosier A7's all around.

fwiw if you don't already have a clutch type diff in your car, get one of those first.

PharmDZ · 05-23-2016, 10:38 AM

Quote:

Originally Posted by gomer_110

Volk TE37sl's 18x10 +30 front, 18x11 +18 rear, 315/30-18 Hoosier A7's all around.

fwiw if you don't already have a clutch type diff in your car, get one of those first.

Yup, done and done - OS Giken diff installed. Upped the spring rates on the new coils I got. Any fender modification to run those 315's in the front? It's looking like that'll be the setup I go with to get a bit more competitive with the right tire. Did the Evo Performance school two days ago and the R888 were not liking it too much. It was either not quite hot enough and then WAY too hot and pushing like crazy. Really should have brought a tire sprayer.

04-20-2016, 12:14 PM	#1 (permalink)
xxAGAVExx A True Z Fanatic Join Date: Nov 2012 Location: Tampa Posts: 1,037 Drives: 09 370Z BLK M6 Rep Power: 53925	Nothing special for the Z, just turn off VDC Sent from my iPhone using Tapatalk Brendan and carlitos_370z like this. __________________ l 09/6MT l BP Twin Turbo Kit l E-85 w/Fuel Return l FI 18" Res CF CBE l Powertrix Ultra-Lite Coilovers l Wavetrac LSD \| Lots of SPL and Carbon Fiber \|

04-20-2016, 03:21 PM	#4 (permalink)
cjwsrt6 Enthusiast Member Join Date: Apr 2014 Location: Alabama Posts: 452 Drives: 2005 crossfire Srt6 Rep Power: 12	If it's your first autocross in general just go out and have fun, pay attention to safety meetings and enjoy, don't try too hard, smooth is fast Brendan likes this.

04-20-2016, 04:13 PM	#5 (permalink)
Slartibartfas Track Member Join Date: Apr 2016 Location: Houston Posts: 551 Drives: 2011 G37S sedan Rep Power: 11	Water. Take water. You'll be there quite some time. __________________ 2011 Journey Sport sedan 7AT \| SPL front, SPC rear camber arms \| ARK Grip cat-back \|

04-21-2016, 04:04 AM	#7 (permalink)
danegrey A True Z Fanatic Join Date: Oct 2011 Location: Knoxville Age: 72 Posts: 3,194 Drives: 12 370Z BK Cherry M6 Rep Power: 649540	Just have fun and good luck ....... __________________ Lots of Changes the Z needs to be driven and driven hard for the car lives for it

05-03-2016, 11:13 PM	#8 (permalink)
kbc749 Base Member Join Date: Jan 2015 Location: Columbus Ohio Posts: 161 Drives: 2010 370z 6MT Rep Power: 11	I've got a tire question for you experience autocrossers. So after taking the starting line school and competing in one competition, driving on my Fuzion UHP's, that were in the "yellow" before the competition. And keep in mind I have the base model with no VLSD. I have completely balded the inside half of my left rear tire. Now I can think of a couple possibilities. 1) the tire was just on its way out and then since the skid pad practice course was mainly left turns, and there were two sweeping left handers on the competition course. The left rear wheel was the one that was most likely to slip, and without a LSD it did, then the worse the tread got, the easier it was to slip. 2) the rim is somehow uneven, causing uneven wear 3)autoX is super hard on tires Does anyone have a similar experience or recommendations? I want to enter the Spring Nationals but I can't really justify it if I'm gonna fry another $100 from one event haha. Thanks KBC749 __________________ 2010 Black Cherry 370Z Admin 3" intakes, Motordyne LTH, ART Pipes, AAM Catback, Z1 Anti Starve Kit, and some other stuff too

04-20-2016, 11:16 PM	#6 (permalink)
kbc749 Base Member Join Date: Jan 2015 Location: Columbus Ohio Posts: 161 Drives: 2010 370z 6MT Rep Power: 11	Thank you all for your valuable input. I'm so excited for this weekend.

05-04-2016, 06:49 AM	#9 (permalink)
gomer_110 A True Z Fanatic Join Date: Aug 2011 Location: Perrysburg, OH Posts: 17,992 Drives: '11 Nismo #528 GM Rep Power: 36941	Autox schools will put a lot more wear on the tires than just a normal event will. This is especially true for national events where you only get three runs on a course. Get new tires (RE-71R's or Rival S's) and get back out there. zpower86 likes this. __________________ '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

05-11-2016, 07:20 PM	#10 (permalink)
gomer_110 A True Z Fanatic Join Date: Aug 2011 Location: Perrysburg, OH Posts: 17,992 Drives: '11 Nismo #528 GM Rep Power: 36941	A little 2 wheel fun from this last weekends ProSolo in Wilmington. Didn't even realize I was bicycling until I saw this picture. TechnicZ, zpower86, danegrey and 6 others like this. __________________ '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

05-12-2016, 08:19 AM	#14 (permalink)
gomer_110 A True Z Fanatic Join Date: Aug 2011 Location: Perrysburg, OH Posts: 17,992 Drives: '11 Nismo #528 GM Rep Power: 36941	Volk TE37sl's 18x10 +30 front, 18x11 +18 rear, 315/30-18 Hoosier A7's all around. fwiw if you don't already have a clutch type diff in your car, get one of those first. __________________ '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

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