Nissan 370Z Forum  

Autocross questions

Does aero actually work at autox speed?

Go Back   Nissan 370Z Forum > Nissan 370Z Tech Area > Track / Autocross / Drifting / Dragstrip


Like Tree3Likes

Reply
 
LinkBack Thread Tools Display Modes
Old 03-30-2012, 08:06 PM   #91 (permalink)
A True Z Fanatic
 
cossie1600's Avatar
 
Join Date: Jun 2009
Location: californee way
Posts: 5,380
Drives: 370, Leaf
Rep Power: 30
cossie1600 has a reputation beyond reputecossie1600 has a reputation beyond reputecossie1600 has a reputation beyond reputecossie1600 has a reputation beyond reputecossie1600 has a reputation beyond reputecossie1600 has a reputation beyond reputecossie1600 has a reputation beyond reputecossie1600 has a reputation beyond reputecossie1600 has a reputation beyond reputecossie1600 has a reputation beyond reputecossie1600 has a reputation beyond repute
Default

Does aero actually work at autox speed?
cossie1600 is offline   Reply With Quote
Old 03-30-2012, 08:20 PM   #92 (permalink)
Track Member
 
03threefiftyz's Avatar
 
Join Date: Apr 2010
Location: MD
Posts: 536
Drives: 03 350z 6mt
Rep Power: 16
03threefiftyz is on a distinguished road
Default

10" wing at 60 degrees creates 60-70lbs of downforce at 60mph...depending on shape.
03threefiftyz is offline   Reply With Quote
Old 04-02-2012, 02:18 AM   #93 (permalink)
Enthusiast Member
 
cavemancan's Avatar
 
Join Date: Mar 2012
Location: Miami
Posts: 302
Drives: 09 370Z TourSport MT
Rep Power: 249
cavemancan has a reputation beyond reputecavemancan has a reputation beyond reputecavemancan has a reputation beyond reputecavemancan has a reputation beyond reputecavemancan has a reputation beyond reputecavemancan has a reputation beyond reputecavemancan has a reputation beyond reputecavemancan has a reputation beyond reputecavemancan has a reputation beyond reputecavemancan has a reputation beyond reputecavemancan has a reputation beyond repute
Default

I am not happy with the bounciness of the stock springs. Car drives amazing but those springs gotta go...don't care if I end up in BSP. I was in BSP with the Rx8 before so whatever. BSP it is.

Getting Swift springs, Camber kit, and possibly spacers this week. Does anyone know if removing the stock mufler canister and extending the pipes out will yeild any power?? I doubt it. I may do it anyway just to hold me off sound wise till I buy an exhaust.
__________________
Mazda Rx8 MT Titanium - SOLD!
2009 370Z T-Sport MT Black - Takeda Intake, Swift springs, Rear Camber kit, SS B Lines, FI Exhaust, Z Speed CMAK Flywheel/Clutch Kit, Stillen Brake Cooling.
cavemancan is offline   Reply With Quote
Old 04-02-2012, 09:33 AM   #94 (permalink)
Track Member
 
03threefiftyz's Avatar
 
Join Date: Apr 2010
Location: MD
Posts: 536
Drives: 03 350z 6mt
Rep Power: 16
03threefiftyz is on a distinguished road
Default

You think it will be magically less bouncy if you add spring rate? It's a shock issue.
03threefiftyz is offline   Reply With Quote
Old 04-02-2012, 11:37 AM   #95 (permalink)
A True Z Fanatic
 
cossie1600's Avatar
 
Join Date: Jun 2009
Location: californee way
Posts: 5,380
Drives: 370, Leaf
Rep Power: 30
cossie1600 has a reputation beyond reputecossie1600 has a reputation beyond reputecossie1600 has a reputation beyond reputecossie1600 has a reputation beyond reputecossie1600 has a reputation beyond reputecossie1600 has a reputation beyond reputecossie1600 has a reputation beyond reputecossie1600 has a reputation beyond reputecossie1600 has a reputation beyond reputecossie1600 has a reputation beyond reputecossie1600 has a reputation beyond repute
Default

I wouldnt worry about class issue if you run off the shelf springs
cossie1600 is offline   Reply With Quote
Old 04-02-2012, 12:28 PM   #96 (permalink)
Enthusiast Member
 
cavemancan's Avatar
 
Join Date: Mar 2012
Location: Miami
Posts: 302
Drives: 09 370Z TourSport MT
Rep Power: 249
cavemancan has a reputation beyond reputecavemancan has a reputation beyond reputecavemancan has a reputation beyond reputecavemancan has a reputation beyond reputecavemancan has a reputation beyond reputecavemancan has a reputation beyond reputecavemancan has a reputation beyond reputecavemancan has a reputation beyond reputecavemancan has a reputation beyond reputecavemancan has a reputation beyond reputecavemancan has a reputation beyond repute
Default

Quote:
Originally Posted by 03threefiftyz View Post
You think it will be magically less bouncy if you add spring rate? It's a shock issue.
Springs are cheaper and it will help. I am not implying this is the solution. I plan on buying Koni yellows in January. That will really bad ***!
__________________
Mazda Rx8 MT Titanium - SOLD!
2009 370Z T-Sport MT Black - Takeda Intake, Swift springs, Rear Camber kit, SS B Lines, FI Exhaust, Z Speed CMAK Flywheel/Clutch Kit, Stillen Brake Cooling.
cavemancan is offline   Reply With Quote
Old 04-06-2012, 04:11 PM   #97 (permalink)
A True Z Fanatic
 
EazyD's Avatar
 
Join Date: Nov 2009
Location: Massachusetts, USA
Posts: 1,211
Drives: 2010 6MT Sport pkg.
Rep Power: 26
EazyD has a reputation beyond reputeEazyD has a reputation beyond reputeEazyD has a reputation beyond reputeEazyD has a reputation beyond reputeEazyD has a reputation beyond reputeEazyD has a reputation beyond reputeEazyD has a reputation beyond reputeEazyD has a reputation beyond reputeEazyD has a reputation beyond reputeEazyD has a reputation beyond reputeEazyD has a reputation beyond repute
Default

I am going to autoX at Fort Devens (Ayer, MA) tomorrow. I am a beginner.

Do you guys ever shift into 1st? I wouldn't think about doing that normally, but with SRM...

What is a good place to get numbers? What kind of number will be able to peel off without harm to paint?

Will a motorcycle helmet work? (SCCA)

Thanks in advance.

Here's my first and only autocross event September 2011 :

__________________

Pearl White 2010 370Z Sport, Stillen CBE, tint, K&N drop-in filters, GT-R start button, Kenwood DNX-6980 with backup cam, LED bulbs, Raceseng shift knob.
EazyD is offline   Reply With Quote
Old 04-06-2012, 05:23 PM   #98 (permalink)
A True Z Fanatic
 
spearfish25's Avatar
 
Join Date: Mar 2009
Location: Naples, FL
Posts: 4,117
Drives: to work
Rep Power: 1856
spearfish25 has a reputation beyond reputespearfish25 has a reputation beyond reputespearfish25 has a reputation beyond reputespearfish25 has a reputation beyond reputespearfish25 has a reputation beyond reputespearfish25 has a reputation beyond reputespearfish25 has a reputation beyond reputespearfish25 has a reputation beyond reputespearfish25 has a reputation beyond reputespearfish25 has a reputation beyond reputespearfish25 has a reputation beyond repute
Send a message via AIM to spearfish25
Default

Very slow corners such as hairpins can be 1st gear turns. I've found that my quickest runs of the day are when I throw caution to the wind and start trying various portions in first. Downshifting to first and keeping the RPM has tended to be faster than keeping it in second and trying to lug the RPM back up past 3k after a slow turn.

You can use painters tape (the blue tape in your picture) for numbers. Many events usually have a local guy selling magnets which work great...just not on the doors.
__________________
2013 Cadillac V-Wagon, RIP Z
spearfish25 is offline   Reply With Quote
Old 04-06-2012, 06:05 PM   #99 (permalink)
A True Z Fanatic
 
ChrisSlicks's Avatar
 
Join Date: Mar 2009
Location: North East
Posts: 6,203
Drives: 09 370Z Sport M6
Rep Power: 653
ChrisSlicks has a reputation beyond reputeChrisSlicks has a reputation beyond reputeChrisSlicks has a reputation beyond reputeChrisSlicks has a reputation beyond reputeChrisSlicks has a reputation beyond reputeChrisSlicks has a reputation beyond reputeChrisSlicks has a reputation beyond reputeChrisSlicks has a reputation beyond reputeChrisSlicks has a reputation beyond reputeChrisSlicks has a reputation beyond reputeChrisSlicks has a reputation beyond repute
Default

I'll be there right behind you on Sunday!

Unless the corner is super slow and you are bogging down below 3000 rpm I wouldn't bother trying to shift to first. You'll either balk the gear change (even with SRM) or spin the tires and break traction.

SCCA allows M helmets provided they are 2005 or newer (same goes for SA).

Just use tape for your numbers for now. If you get a permanent number and are going to be a regular then buy a set of vinyl numbers.
__________________
Hotchkis ARB | Stillen CAI | Art Pipes | Berk CBE | Stillen AP Racing Brakes | AE Performance Oil Cooler | BC Racing ER Coilovers | Doran Control Arms
ChrisSlicks is offline   Reply With Quote
Old 04-06-2012, 06:22 PM   #100 (permalink)
A True Z Fanatic
 
EazyD's Avatar
 
Join Date: Nov 2009
Location: Massachusetts, USA
Posts: 1,211
Drives: 2010 6MT Sport pkg.
Rep Power: 26
EazyD has a reputation beyond reputeEazyD has a reputation beyond reputeEazyD has a reputation beyond reputeEazyD has a reputation beyond reputeEazyD has a reputation beyond reputeEazyD has a reputation beyond reputeEazyD has a reputation beyond reputeEazyD has a reputation beyond reputeEazyD has a reputation beyond reputeEazyD has a reputation beyond reputeEazyD has a reputation beyond repute
Default

Quote:
Originally Posted by ChrisSlicks View Post
I'll be there right behind you on Sunday!

Unless the corner is super slow and you are bogging down below 3000 rpm I wouldn't bother trying to shift to first. You'll either balk the gear change (even with SRM) or spin the tires and break traction.

SCCA allows M helmets provided they are 2005 or newer (same goes for SA).

Just use tape for your numbers for now. If you get a permanent number and are going to be a regular then buy a set of vinyl numbers.
Aw man, well I couldn't get registered in time before they ran out of spots. I do wish I did that event because this SCCA event has 163 registrants ... so I'll be lucky to get any seat time at all.

I'm in the novice class up against a GT-R ಠ_ಠ
__________________

Pearl White 2010 370Z Sport, Stillen CBE, tint, K&N drop-in filters, GT-R start button, Kenwood DNX-6980 with backup cam, LED bulbs, Raceseng shift knob.
EazyD is offline   Reply With Quote
Old 04-06-2012, 06:47 PM   #101 (permalink)
A True Z Fanatic
 
cossie1600's Avatar
 
Join Date: Jun 2009
Location: californee way
Posts: 5,380
Drives: 370, Leaf
Rep Power: 30
cossie1600 has a reputation beyond reputecossie1600 has a reputation beyond reputecossie1600 has a reputation beyond reputecossie1600 has a reputation beyond reputecossie1600 has a reputation beyond reputecossie1600 has a reputation beyond reputecossie1600 has a reputation beyond reputecossie1600 has a reputation beyond reputecossie1600 has a reputation beyond reputecossie1600 has a reputation beyond reputecossie1600 has a reputation beyond repute
Default

SCCA event sucks for novices, go find a local club where you can do more runs.

You can grind 1st gear even with the SRM, been there and done that
cossie1600 is offline   Reply With Quote
Old 04-06-2012, 07:11 PM   #102 (permalink)
A True Z Fanatic
 
ChrisSlicks's Avatar
 
Join Date: Mar 2009
Location: North East
Posts: 6,203
Drives: 09 370Z Sport M6
Rep Power: 653
ChrisSlicks has a reputation beyond reputeChrisSlicks has a reputation beyond reputeChrisSlicks has a reputation beyond reputeChrisSlicks has a reputation beyond reputeChrisSlicks has a reputation beyond reputeChrisSlicks has a reputation beyond reputeChrisSlicks has a reputation beyond reputeChrisSlicks has a reputation beyond reputeChrisSlicks has a reputation beyond reputeChrisSlicks has a reputation beyond reputeChrisSlicks has a reputation beyond repute
Default

Too bad you couldn't get in for Sunday with NE-SVT, that is one of the clubs you want to get in on as a novice since you will get 9-10 long-course runs and have access to good instructors. The other two clubs to get in on are BSCC (Bay State Corvette) and TCUSA (Track Club USA) as they are all the same crowd, use the same timing gear and are novice friendly.

There is a BSCC event on the 21st of April but I don't think I'll be able to make that one since I will be going to NHMS on the Monday.
__________________
Hotchkis ARB | Stillen CAI | Art Pipes | Berk CBE | Stillen AP Racing Brakes | AE Performance Oil Cooler | BC Racing ER Coilovers | Doran Control Arms
ChrisSlicks is offline   Reply With Quote
Old 04-06-2012, 08:45 PM   #103 (permalink)
A True Z Fanatic
 
EazyD's Avatar
 
Join Date: Nov 2009
Location: Massachusetts, USA
Posts: 1,211
Drives: 2010 6MT Sport pkg.
Rep Power: 26
EazyD has a reputation beyond reputeEazyD has a reputation beyond reputeEazyD has a reputation beyond reputeEazyD has a reputation beyond reputeEazyD has a reputation beyond reputeEazyD has a reputation beyond reputeEazyD has a reputation beyond reputeEazyD has a reputation beyond reputeEazyD has a reputation beyond reputeEazyD has a reputation beyond reputeEazyD has a reputation beyond repute
Default

Quote:
Originally Posted by cossie1600 View Post
SCCA event sucks for novices, go find a local club where you can do more runs.

You can grind 1st gear even with the SRM, been there and done that
Thanks.

Quote:
Originally Posted by ChrisSlicks View Post
Too bad you couldn't get in for Sunday with NE-SVT, that is one of the clubs you want to get in on as a novice since you will get 9-10 long-course runs and have access to good instructors. The other two clubs to get in on are BSCC (Bay State Corvette) and TCUSA (Track Club USA) as they are all the same crowd, use the same timing gear and are novice friendly.

There is a BSCC event on the 21st of April but I don't think I'll be able to make that one since I will be going to NHMS on the Monday.
Good to know. If you remember, message me when you are signing up for these things

Maybe it's better I do only 5 runs... less wear on the Z

BTW - tire pressure for our car? I have stock Potenzas with only like 3/12 or 4/12 tread left. Sport wheel widths
__________________

Pearl White 2010 370Z Sport, Stillen CBE, tint, K&N drop-in filters, GT-R start button, Kenwood DNX-6980 with backup cam, LED bulbs, Raceseng shift knob.
EazyD is offline   Reply With Quote
Old 04-06-2012, 09:51 PM   #104 (permalink)
A True Z Fanatic
 
cossie1600's Avatar
 
Join Date: Jun 2009
Location: californee way
Posts: 5,380
Drives: 370, Leaf
Rep Power: 30
cossie1600 has a reputation beyond reputecossie1600 has a reputation beyond reputecossie1600 has a reputation beyond reputecossie1600 has a reputation beyond reputecossie1600 has a reputation beyond reputecossie1600 has a reputation beyond reputecossie1600 has a reputation beyond reputecossie1600 has a reputation beyond reputecossie1600 has a reputation beyond reputecossie1600 has a reputation beyond reputecossie1600 has a reputation beyond repute
Default

With 160 people, I don't know how you will be able to do 5 runs. I can't believe their turnout, I guess autox is becoming popular again. Good luck.
cossie1600 is offline   Reply With Quote
Old 04-06-2012, 10:35 PM   #105 (permalink)
A True Z Fanatic
 
ChrisSlicks's Avatar
 
Join Date: Mar 2009
Location: North East
Posts: 6,203
Drives: 09 370Z Sport M6
Rep Power: 653
ChrisSlicks has a reputation beyond reputeChrisSlicks has a reputation beyond reputeChrisSlicks has a reputation beyond reputeChrisSlicks has a reputation beyond reputeChrisSlicks has a reputation beyond reputeChrisSlicks has a reputation beyond reputeChrisSlicks has a reputation beyond reputeChrisSlicks has a reputation beyond reputeChrisSlicks has a reputation beyond reputeChrisSlicks has a reputation beyond reputeChrisSlicks has a reputation beyond repute
Default

Quote:
Originally Posted by EazyD View Post
Good to know. If you remember, message me when you are signing up for these things

Maybe it's better I do only 5 runs... less wear on the Z

BTW - tire pressure for our car? I have stock Potenzas with only like 3/12 or 4/12 tread left. Sport wheel widths
I only got into this one because I have an in, otherwise I would have been on the sidelines It's spring fever right now, it should die down by the end of the month. I'll let you know the next one.

For the stock tires I would start with 38 front, 35 rear. It's going to be cool out so adjust pressure as you need based on understeer/oversteer response.

Quote:
Originally Posted by cossie1600 View Post
With 160 people, I don't know how you will be able to do 5 runs. I can't believe their turnout, I guess autox is becoming popular again. Good luck.
Seems to go in cycles. 5 years ago they were selling out months in advance, 2 years ago we were short on people.

SCCA here always has at least 100 people and gets 5-6 runs depending on the turn out. It's a long day with them. With our clubs we're done by 4:30 and have 9-10 runs because we cap it to 55-60 cars. Because of the course layout we can have up to 5 cars on course at a time so things don't really slow down by making the course longer.
__________________
Hotchkis ARB | Stillen CAI | Art Pipes | Berk CBE | Stillen AP Racing Brakes | AE Performance Oil Cooler | BC Racing ER Coilovers | Doran Control Arms
ChrisSlicks is offline   Reply With Quote
Reply

Bookmarks


Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On


Similar Threads
Thread Thread Starter Forum Replies Last Post
AutoCross Tires Rooskey Track / Autocross / Drifting / Dragstrip 5 07-10-2011 02:16 AM
First Autocross event! JoeyD Track / Autocross / Drifting / Dragstrip 19 10-26-2010 07:28 PM
Questions, questions and more questions for a potential 370z buyer! tag824 Nissan 370Z General Discussions 67 09-18-2010 01:07 AM
where to autocross? Pharmacist Canada 1 05-28-2010 10:42 PM
Autocross Anyone? djsizzy Track / Autocross / Drifting / Dragstrip 15 12-14-2009 09:29 PM


All times are GMT -5. The time now is 03:58 AM.


Powered by vBulletin® Version 3.8.4
Copyright ©2000 - 2024, Jelsoft Enterprises Ltd.
Search Engine Optimization by vBSEO 3.6.0 PL2