The track day and racing thread

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parid: Mar 18, 2004

Zip ties? So many zip ties.

# ? Sep 25, 2014 02:02

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# ? May 10, 2024 17:10

McSpatula: Aug 5, 2006

SpaceRangerJoe posted:

I need to clean up wiring in my track car. What do people like for in car wire wrap? Spiral wrap is cheap, but I imagine that would be a huge pain in the rear end to install. I'm not worried about under hood just yet, but that's probably next.

If you're just separating and labeling strands, braided (or split) nylon sleeving + heatshrink the ends keeps things really tidy.

If you're doing front of firewall stuff eventually, fiberglass sleeving is nice, but gets expensive really fast. Most shops will have a scrap bin with odds and ends from cutting that'll save you so many dollarbux in the long run.

# ? Sep 25, 2014 02:42

FatCow: Apr 22, 2002; I MAP THE FUCK OUT OF PEOPLE

Learn how to cable lace or zip ties.

# ? Sep 25, 2014 03:02

Joe Mama: May 10, 2008

I'm a fan of the 'split loom and zip tie' myself just because it's easy and looks ok. Add heat a/o abrasion resistant sleeving as needed.

# ? Sep 25, 2014 03:08

OBAMNA PHONE: Aug 7, 2002

Did my first track day in my 318iS in 3+ years, constructive criticism appreciated:

1
https://www.youtube.com/watch?v=XJ7tBwGbhF4
2
https://www.youtube.com/watch?v=iSB13nazIJI
3
https://www.youtube.com/watch?v=NhffTCM1ij8
4
https://www.youtube.com/watch?v=efzz0bLOK5U

sorry for the audio quality, i need to see if I can improve the gopro case.

I was getting a TON of brake shudder (race pads on street rotors) on the first session so I backed off a bit to minimize it.

# ? Sep 26, 2014 16:58

NitroSpazzz: Dec 9, 2006; You don't need style when you've got strength!

BraveUlysses posted:

Did my first track day in my 318iS in 3+ years, constructive criticism appreciated:

I was getting a TON of brake shudder (race pads on street rotors) on the first session so I backed off a bit to minimize it.

You took out the passenger seat but not the back seat? I'll look through it later and offer actual useful info if I see anything. Brake shudder has always been pad deposits for me. A few times overly hard braking usually cleans them up pretty quick.

# ? Sep 26, 2014 18:38

DJ Commie: Feb 29, 2004; Stupid drivers always breaking car, Gronk fix car...

SpaceRangerJoe posted:

I need to clean up wiring in my track car. What do people like for in car wire wrap? Spiral wrap is cheap, but I imagine that would be a huge pain in the rear end to install. I'm not worried about under hood just yet, but that's probably next.

I use split loom as well as braided sleeving (Chinese finger trap) depending on the need. Having the sleeving with adhesive lined shrink tube makes nice wiring work perfect, but adding/removing would require cutting the reapplying the shrink tube.

# ? Sep 26, 2014 18:47

OBAMNA PHONE: Aug 7, 2002

NitroSpazzz posted:

You took out the passenger seat but not the back seat? I'll look through it later and offer actual useful info if I see anything. Brake shudder has always been pad deposits for me. A few times overly hard braking usually cleans them up pretty quick.

Well I sold the stock seats a long time ago and haven't bothered to install the passenger race seat yet, but the back seat is pretty light so I didn't bother. The entire car will be stripped once I finally get a rollbar and harnesses installed.

# ? Sep 26, 2014 19:05

Crustashio: Jul 27, 2000; ruh roh

If you're not swapping rotors, put the pads on a little before the event and drive on them to get rid of the street pad transfer layer. And then run them on the way home to scrub off the track pad transfer layer. It works really well for me and saves on rotor changes which add a lot of extra time on my e36.

# ? Sep 26, 2014 19:17

SpaceRangerJoe: Dec 24, 2003; The little hand says it's time to rock and roll.

DJ Commie posted:

I use split loom as well as braided sleeving (Chinese finger trap) depending on the need. Having the sleeving with adhesive lined shrink tube makes nice wiring work perfect, but adding/removing would require cutting the reapplying the shrink tube.

I think I'll go for the split loom/zip tie method for now. Since this isn't an actual race car, that sounds a lot easier than heat shrinking wires.

# ? Sep 26, 2014 23:35

Sab669: Sep 24, 2009

Any tips for "smoothing" a GoPro in the car? Last time I went to the track the footage was SO jittery. Gunna do some paced laps tomorrow, I think, and I'd like to get some better footage this time. I have the sticky mounts, a suction cup, and a headband for what it's worth.

# ? Sep 27, 2014 03:08

Stardotstar: Jun 2, 2012

Sab669 posted:

Any tips for "smoothing" a GoPro in the car? Last time I went to the track the footage was SO jittery. Gunna do some paced laps tomorrow, I think, and I'd like to get some better footage this time. I have the sticky mounts, a suction cup, and a headband for what it's worth.

Attaching it the suction mount to a hard surface and making sure the adjustment screws are holding it rigidly always did the trick for me. How did you have it mounted before?

Parid, you still looking for a driver?

# ? Sep 27, 2014 03:17

Sab669: Sep 24, 2009

Last time I went, I only had the headstrap so what I actually did was put it around the headrest on my passenger seat and then stuff it with layers and layers of shirts so that that it would generally stay in place. Will be trying the suction cup tomorrow though :v:

# ? Sep 27, 2014 03:21

parid: Mar 18, 2004

I'm looking pretty good for drivers but we always have cancelations and I can never have enough drivers.... Email me at parid(forty two) at gmail.

# ? Sep 27, 2014 03:32

Blooot: Mar 19, 2001

SpaceRangerJoe posted:

I need to clean up wiring in my track car. What do people like for in car wire wrap? Spiral wrap is cheap, but I imagine that would be a huge pain in the rear end to install. I'm not worried about under hood just yet, but that's probably next.

This stuff is a pretty nice step up from plastic split loom:

http://www.isgroup-international.com/pdfs/Protective_Sleeving_PDFs/protective_sleeving_roundit_2000_V0.pdf

The datasheet doesn't explain it well but it's a split fabric sleeve that wraps over itself. We source it at work from IS Motorsport.

# ? Oct 3, 2014 07:29

jamal: Apr 15, 2003; I'll set the building on fire

A nice solid camera mount is key. I use the suction mount upside down on the sunroof and put it in front of the passenger seat so the rear view mirror isn't in the way. The gopro lens is wide enough that you can still see the shifter and steering wheel. In car out the windshield with the wheel in the shot is the best viewpoint IMO.

For wiring, the plastic split loom wrapped in electrical tape works and looks fairly well but isn't pro motorsports level stuff. Cheap though.

# ? Oct 3, 2014 08:04

McSpatula: Aug 5, 2006

Sab669 posted:

Any tips for "smoothing" a GoPro in the car? Last time I went to the track the footage was SO jittery. Gunna do some paced laps tomorrow, I think, and I'd like to get some better footage this time. I have the sticky mounts, a suction cup, and a headband for what it's worth.

Regardless of which mount you use, you need a solid panel to mount it on, something with vibration dampening would be nice. Be weary surfaces that aren't meant to handle weight too, even at ~1.5lbs, I've had a gopro rip off a trim piece.

I returned the gopro suction cup mount after one day of trying to use it for aviation, it just couldn't help with camera vibration. I'm a big fan of ram mounts and their ball mounts, they're maybe two dollarbux more than the gopro mounts, but far more stable/rigid, and the two ball sections give you full range to line up your frame.

tl;dr you need a pair of balls in your car

# ? Oct 3, 2014 10:15

drgitlin: Jul 25, 2003; luv 2 get custom titles from a forum that goes into revolt when its told to stop using a bad word.

I wrote a thing about the Brainerd WRL race, comparing what sort of physical workload I had in the car with Kurt Busch's experience doing the double: http://arstechnica.com/cars/2014/10/the-agony-and-ecstasy-of-grassroots-racing/

Bonus Nitrospazz action in this one too.

# ? Oct 3, 2014 18:48

OBAMNA PHONE: Aug 7, 2002

I already read that this morning, awesome to see that it was written by a goon! Good read!

Is the AIM solo the only reasonably priced standalone datalogging option out there?

# ? Oct 3, 2014 19:45

NitroSpazzz: Dec 9, 2006; You don't need style when you've got strength!

drgitlin posted:

I wrote a thing about the Brainerd WRL race, comparing what sort of physical workload I had in the car with Kurt Busch's experience doing the double: http://arstechnica.com/cars/2014/10/the-agony-and-ecstasy-of-grassroots-racing/

Bonus Nitrospazz action in this one too.

Holy poo poo out car is on the FRONT PAGE of Ars Technica! Great write up man, never though to try a heart rate monitor in the car. That was one hell of a wet race, I got all the wet sessions that day...all 6+ hours of it. Nothing like hydroplaning through turn two at under 80mph.

BraveUlysses posted:

Is the AIM solo the only reasonably priced standalone datalogging option out there?

We've been pretty happy with the data from outs. There's others but the price jump is fairly prohibitive for us.

# ? Oct 3, 2014 20:00

IOwnCalculus: Apr 2, 2003

drgitlin posted:

I wrote a thing about the Brainerd WRL race, comparing what sort of physical workload I had in the car with Kurt Busch's experience doing the double: http://arstechnica.com/cars/2014/10/the-agony-and-ecstasy-of-grassroots-racing/

Bonus Nitrospazz action in this one too.

Awesome read, though you keep calling the Coca-Cola 600 the "Daytona 600" a couple times :v:

# ? Oct 3, 2014 20:36

drgitlin: Jul 25, 2003; luv 2 get custom titles from a forum that goes into revolt when its told to stop using a bad word.

IOwnCalculus posted:

Awesome read, though you keep calling the Coca-Cola 600 the "Daytona 600" a couple times

Ugh I thought I caught all of those. Fixing it now. And thanks!

# ? Oct 3, 2014 20:47

FatCow: Apr 22, 2002; I MAP THE FUCK OUT OF PEOPLE

If you have a rollbar or cage just get this mount. http://www.ioportracing.com/Merchant2/merchant.mvc?Screen=PROD&Product_Code=CM1-2&Category_Code=CM It makes loving perfect video.

https://www.youtube.com/watch?v=fFTNl8bcJUA

VV nope, VIR VV

FatCow fucked around with this message at 23:35 on Oct 3, 2014

# ? Oct 3, 2014 21:58

McSpatula: Aug 5, 2006

Is anyone coming out to ACS this weekend?

# ? Oct 3, 2014 23:16

ZincBoy: May 7, 2006; Think again Jimmy!

I am out at Canadian Tire Motorsports Park (Mosport) this weekend. Hopefully it does not rain too much...

# ? Oct 4, 2014 03:40

NitroSpazzz: Dec 9, 2006; You don't need style when you've got strength!

drgitlin or anyone else running in the October Road America chump race? I think we're still planning to run. I have an install starting the Monday after, Dad has one starting the Tuesday after (with a full day of travel) and one of our drivers broke his leg.

# ? Oct 4, 2014 05:57

drgitlin: Jul 25, 2003; luv 2 get custom titles from a forum that goes into revolt when its told to stop using a bad word.

No, I've got too much going on here and the rest of the team are doing Hallett instead - the Golf isn't competitive under ChumpCar's new rules so we may never do another one.

# ? Oct 4, 2014 20:32

angryhampster: Oct 21, 2005

Is this the appropriate place to talk about F1? ...or should I start a thread for F1, because dammit I love F1.

# ? Oct 5, 2014 14:23

drgitlin: Jul 25, 2003; luv 2 get custom titles from a forum that goes into revolt when its told to stop using a bad word.

There's an F1 thread in SAS. This thread is for discussing track days and races that we actually take part in.

# ? Oct 5, 2014 15:15

Longpig Bard: Dec 29, 2004

The guy with the SLR is in my run group. Remind me not to hit him.

# ? Oct 5, 2014 17:12

Longpig Bard: Dec 29, 2004

What is this silver car? https://www.dropbox.com/s/er5atwvtkc0brvw/IMG_20141005_125553768.jpg?dl=0

# ? Oct 5, 2014 20:59

ilkhan: Oct 7, 2004; I LOVE Musk and his pro-first-amendment ways. X is the future.

Bumming Your Scene posted:

What is this silver car? https://www.dropbox.com/s/er5atwvtkc0brvw/IMG_20141005_125553768.jpg?dl=0

http://en.m.wikipedia.org/wiki/Porsche_Carrera_GT

# ? Oct 5, 2014 21:22

OBAMNA PHONE: Aug 7, 2002

DTD is having a sale right now through ebay for tires and i'm looking at a new set for the spring for my e30 in 205/50/15

Nitto NT01 vs Nitto NT05 vs Kumho XS vs Azenis 615k

Leaning away from NT01 due to price and don't really need competition tires.

# ? Oct 7, 2014 17:07

Phone: Jul 30, 2005; 親子丼をほしい。

Out of those choices, the NT01 is the least worst.

# ? Oct 8, 2014 15:19

OBAMNA PHONE: Aug 7, 2002

Are the NT05's really that bad?

320 bucks shipped for NT05
388 for 615
402 for XS
504 for NT01

free shipping and no sales tax

http://stores.ebay.com/Discount-Tire-Direct/Current-Promotions-and-Forms.html

# ? Oct 8, 2014 18:15

Phone: Jul 30, 2005; 親子丼をほしい。

If you're just looking to do parade laps, then do whatever.

If you want a fast street tire, buy Rivals or Z2s. If you want an entry level slick, NT01s or Maxxis RC-1s.

# ? Oct 8, 2014 18:30

Longpig Bard: Dec 29, 2004

Another 1.5 seconds down. Hopefully I can get under 2 minutes in November when it isn't 105 degrees.

https://www.youtube.com/watch?v=U6pKrd4VSOg

I should do in car camera to see how much I bounce around through that 7-8 chicane, its past scary and into funny now that I can hit it at 90+ mph.

Longpig Bard fucked around with this message at 23:37 on Oct 8, 2014

# ? Oct 8, 2014 23:33

Sadi: Jan 18, 2005; SC - Where there are more rednecks than people

Phone posted:

If you're just looking to do parade laps, then do whatever.

If you want a fast street tire, buy Rivals or Z2s. If you want an entry level slick, NT01s or Maxxis RC-1s.

Or RS3s they won most of autocross nationals this year.

# ? Oct 8, 2014 23:41