The Official 370Z Autocross Thread

Brendan · 07-27-2016, 10:41 PM

That looked like a long *** course. A lot of fun though (get it, a LOT)

gomer_110 · 07-28-2016, 06:47 AM

Quote:

Originally Posted by Brendan

That looked like a long *** course. A lot of fun though (get it, a LOT)

It was TOO long and definitively pushing the speed limits on how fast a autox course should be.

Will never understand why Wilmington courses have to be so damn long. A 60s course in a CS car is plenty long. Just because you can make a massive course doesn't mean you should.

Brendan · 07-28-2016, 08:30 AM

Quote:

Originally Posted by gomer_110

It was TOO long and definitively pushing the speed limits on how fast a autox course should be.

Will never understand why Wilmington courses have to be so damn long. A 60s course in a CS car is plenty long. Just because you can make a massive course doesn't mean you should.

Probably because they think it's what people want. A lot of newcomers see autocross as a safe alternative to tracking their car. A long course might appeal to the person looking for seat time rather than competition.

I think average course length at our events in right around 50-60 seconds at our largest venues.

zpower86 · 07-28-2016, 09:32 PM

It was .85 miles long according to my gps data. The problem imo wasn't necessarily the length as much as it was how it rewarded the cars with better low rpm hp/tq. You dip down to 23-35 mph 8 different times and accelerate, full throttle to 60 or higher. A normal Autocross it's maybe 1-3 times that happens. Also the start was a drag race start to 40 mph.

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gomer_110 · 07-28-2016, 10:07 PM

My comment about the length was more due to the flow of the event and the fact that IMO there's no reason the final heat should have been finishing ~7pm on Saturday.

It was pretty apparent though that the course designer was a CAM-S Corvette driver.

zpower86 · 07-28-2016, 10:24 PM

Haha. I was starter for 2nd heat. I sent them as quick as they (timing and course workers) could keep up with. About 18 seconds between cars. Loooong day for sure. But that's just how long it takes to send 360 cars. They should maybe stick to their 325 limit.

360drivers x 20sec/driver x 3runs / 60sec/min = 360min

Then 15 min x 4 worker switch = 60min

30 min mid-day course walk

~45 min for delays and re-runs

You're looking at about 8hr and 15 min once cars start rolling, which on sat was 9am. That puts us ending at 5:15 pm. Hmm what am I missing? Maybe the other starters weren't as aggressive as I was. If u change that "20" sec to "23", that adds an extra hour to the event. Crazy.

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gomer_110 · 08-02-2016, 09:01 PM

Fun from this last weekend at the Wilmington ProSolo.

Fastest Left Side

Fastest Right Side

wanabgts · 08-08-2016, 01:51 PM

Just a quick video my buddy took from outside the car, this was a for fun event last weekend. My car is starting to work pretty well overall, the r888 were not even close to getting up to temp this day. It was fun taming the beast non the less. Apologize for the video quality and the wind.

https://www.youtube.com/watch?v=p3N3f4-ASQ8

Zack

cjwsrt6 · 08-09-2016, 06:25 PM

Anybody ever run 275/40/18 I found some cheap and won't run them but twice or so

xxAGAVExx · 08-09-2016, 08:25 PM

I've kinda asked this question before, but I'm getting ready to pull the trigger on some new rims. Should I go 275/35/19 front 305/30/19 rears or try 305/30/19 all around. Either staggered nismo rims or rears all around. Planning to eventually go FI so I want 305s in the rear.

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cjwsrt6 · 08-09-2016, 09:11 PM

If you're modded is go 285/35 and 325/30 on nismo wheels. Get as much/sticky tire as you can get.. I run a stock class so I have to be within stock wheel specs

gomer_110 · 08-09-2016, 09:38 PM

Quote:

Originally Posted by xxAGAVExx

I've kinda asked this question before, but I'm getting ready to pull the trigger on some new rims. Should I go 275/35/19 front 305/30/19 rears or try 305/30/19 all around. Either staggered nismo rims or rears all around. Planning to eventually go FI so I want 305s in the rear.

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More tire = More better. 315's or wider all around.

xxAGAVExx · 08-10-2016, 05:21 PM

Thanks, now I just need to figure out if the Nismo rear rims with 305s will fit on the front and not rub, I have carbon fiber fenders so I can't pull them

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cjwsrt6 · 08-10-2016, 06:35 PM

Check the tire section, there's a guy running 285 up front and he's got a bunch of pictures. I don't think you'd want much wider.. 295/30/19 fit on stock wheels with Hoosiers so they may work

gomer_110 · 08-10-2016, 06:42 PM

315/30-18's on 18x10's will fit up front.

07-28-2016, 09:32 PM	#829 (permalink)
zpower86 Premium Member Join Date: Jul 2011 Location: Huntsville, AL Posts: 189 Drives: 2011 Nissan 370Z Rep Power: 14	The Official 370Z Autocross Thread It was .85 miles long according to my gps data. The problem imo wasn't necessarily the length as much as it was how it rewarded the cars with better low rpm hp/tq. You dip down to 23-35 mph 8 different times and accelerate, full throttle to 60 or higher. A normal Autocross it's maybe 1-3 times that happens. Also the start was a drag race start to 40 mph. Sent from my iPhone using Tapatalk __________________ Charles K 2011 Nissan 370Z, Black, 7BS youtube.com/rotarypower86

07-28-2016, 10:07 PM	#830 (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	My comment about the length was more due to the flow of the event and the fact that IMO there's no reason the final heat should have been finishing ~7pm on Saturday. It was pretty apparent though that the course designer was a CAM-S Corvette driver. __________________ '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

07-28-2016, 10:24 PM	#831 (permalink)
zpower86 Premium Member Join Date: Jul 2011 Location: Huntsville, AL Posts: 189 Drives: 2011 Nissan 370Z Rep Power: 14	The Official 370Z Autocross Thread Haha. I was starter for 2nd heat. I sent them as quick as they (timing and course workers) could keep up with. About 18 seconds between cars. Loooong day for sure. But that's just how long it takes to send 360 cars. They should maybe stick to their 325 limit. 360drivers x 20sec/driver x 3runs / 60sec/min = 360min Then 15 min x 4 worker switch = 60min 30 min mid-day course walk ~45 min for delays and re-runs You're looking at about 8hr and 15 min once cars start rolling, which on sat was 9am. That puts us ending at 5:15 pm. Hmm what am I missing? Maybe the other starters weren't as aggressive as I was. If u change that "20" sec to "23", that adds an extra hour to the event. Crazy. Sent from my iPhone using Tapatalk __________________ Charles K 2011 Nissan 370Z, Black, 7BS youtube.com/rotarypower86

08-02-2016, 09:01 PM	#832 (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	Fun from this last weekend at the Wilmington ProSolo. Fastest Left Side Fastest Right Side __________________ '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

08-09-2016, 08:25 PM	#835 (permalink)
xxAGAVExx A True Z Fanatic Join Date: Nov 2012 Location: Tampa Posts: 1,036 Drives: 09 370Z BLK M6 Rep Power: 53924	The Official 370Z Autocross Thread I've kinda asked this question before, but I'm getting ready to pull the trigger on some new rims. Should I go 275/35/19 front 305/30/19 rears or try 305/30/19 all around. Either staggered nismo rims or rears all around. Planning to eventually go FI so I want 305s in the rear. Sent from my iPhone using Tapatalk __________________ 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 \|

07-27-2016, 10:41 PM	#826 (permalink)
Brendan Track Member Join Date: Apr 2013 Location: Colorado Posts: 639 Drives: Poor man's Porsche Rep Power: 542	That looked like a long *** course. A lot of fun though (get it, a LOT)

08-08-2016, 01:51 PM	#833 (permalink)
wanabgts Base Member Join Date: Nov 2015 Location: Portland Oregon Posts: 36 Drives: 09 370z Nismo Rep Power: 9	Just a quick video my buddy took from outside the car, this was a for fun event last weekend. My car is starting to work pretty well overall, the r888 were not even close to getting up to temp this day. It was fun taming the beast non the less. Apologize for the video quality and the wind. https://www.youtube.com/watch?v=p3N3f4-ASQ8 Zack

08-09-2016, 06:25 PM	#834 (permalink)
cjwsrt6 Enthusiast Member Join Date: Apr 2014 Location: Alabama Posts: 452 Drives: 2005 crossfire Srt6 Rep Power: 11	Anybody ever run 275/40/18 I found some cheap and won't run them but twice or so

08-09-2016, 09:11 PM	#836 (permalink)
cjwsrt6 Enthusiast Member Join Date: Apr 2014 Location: Alabama Posts: 452 Drives: 2005 crossfire Srt6 Rep Power: 11	If you're modded is go 285/35 and 325/30 on nismo wheels. Get as much/sticky tire as you can get.. I run a stock class so I have to be within stock wheel specs

08-10-2016, 05:21 PM	#838 (permalink)
xxAGAVExx A True Z Fanatic Join Date: Nov 2012 Location: Tampa Posts: 1,036 Drives: 09 370Z BLK M6 Rep Power: 53924	Thanks, now I just need to figure out if the Nismo rear rims with 305s will fit on the front and not rub, I have carbon fiber fenders so I can't pull them Sent from my iPhone using Tapatalk __________________ 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 \|

08-10-2016, 06:35 PM	#839 (permalink)
cjwsrt6 Enthusiast Member Join Date: Apr 2014 Location: Alabama Posts: 452 Drives: 2005 crossfire Srt6 Rep Power: 11	Check the tire section, there's a guy running 285 up front and he's got a bunch of pictures. I don't think you'd want much wider.. 295/30/19 fit on stock wheels with Hoosiers so they may work

08-10-2016, 06:42 PM	#840 (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	315/30-18's on 18x10's will fit up front. __________________ '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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