Autocross setups - Hyundai Genesis Forum
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post #1 of 206 Old 10-30-2013 Thread Starter
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Autocross setups

Hi all,

Didn't see a thread on autocross setup so I figured I'd start one.

I've been driving a base 2.0T but recently picked up an RSpec. There's two potential options...G-Street or Street Touring Ultra. After placing 9th at Nats, I'm planning on staying in GS (even though a STU build would be fun as hell). So a couple of starting questions for those who play around...

How much negative camber can you get on your vehicle? The camber bolts package say that they may not help on different cars...

Wheels and tires: What have you tried? What works? What doesn't?
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post #2 of 206 Old 10-30-2013
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Subd for responses...

I have just the normal 19" rims and tires, Michelin Pilot Super Sport, 225/245. No camber, but im a novice when i autox.

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post #3 of 206 Old 10-31-2013
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The Genesis Coupe is an STX car, not an STU car. Just FYI.
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post #4 of 206 Old 10-31-2013
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I just went with 245/275 Star Specs because I didn't know what I could fit up front when I was on the stock suspension. The staggered setup makes the car push. I have fit 275/35/18 on the front of my car so next time I'll most likely go with square 275/35s on a set of 9.5+15 RPF1s.

Get the camber bolts ASAP or you'll cord the outer shoulder of your tires. They are legal for RTR or a stock class.


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Originally Posted by aildeokl View Post
The Genesis Coupe is an STX car, not an STU car. Just FYI.
2.0T would be an STU car.
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post #5 of 206 Old 10-31-2013
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Where are you getting that? SCCA rulebook lists the Genesis Coupe 2.0T as an STX car.
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post #6 of 206 Old 10-31-2013
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I didn't realize it fit into STX, hooray for lower PAX! I saw one in the past (apparently mis-classed) running STU. It's odd that the 2013 rulebook lists the 2.0 and not the 3.8.
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post #7 of 206 Old 10-31-2013
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3.8 would also fall under STX under the "Not Otherwise Classified" rules.
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post #8 of 206 Old 10-31-2013
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If you are doing NASA, it is D* class. (D with 7 points)

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post #9 of 206 Old 11-04-2013
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I believe the Gen is staying in STX for the 2010-12 2.0T only. All other versions other than the 2010-12 2.0T are moving to STU. That's the latest I heard anyway.

As far as set ups, I'm running a square 245 set up and love it. Keep in mind I'm on the base model 18s. With the camber bolts and front sway bar, the set up seems to feel incredibly neutral. Most of the time I can floor it out of corners without worrying about sliding (stock class so no extra power) so the extra width isn't worth the extra weight in the rear IMO.
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post #10 of 206 Old 11-04-2013
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im pretty novice at autox (6 events under my belt) but i have progressively altered my setup and seen some great improvements in vehicle capability. i started running my 3.8 track when it was almost completely stock, just substituted stock 19s for 19" g35 rays (same sizing as stocks but lighter). then added camber bolts and was happily surprised at how -1.5* was able to alleviate most of the understeer. i got to a point after 2 events with that setup where i was being let down by the stock tires almost every run. i would have to nervously ride the threshold between grip and slip around every corner, often going out in to slips and some spins.

it was after that when i switched to my current setup. I got 245/35F 265/35R Advan AD08 tires on square 19x8.5 g35 rays (yes i got 4 rears), aligned to -1.8* front with -2.0* rear camber, and kw v3 coilovers (still running kw recommended settings).
I've run 2 events with this setup and im blown away. i ride the gas through almost every turn and every time i know i could have entered faster. havent spun out once since getting this setup, and when the rear starts to slip out a small bit i feel it coming before it happens and can easily recover after it already has or just ride it through with confidence.

hoping to get 1 more event in this year with PCA

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post #11 of 206 Old 11-07-2013 Thread Starter
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In the October Fastrack, it says that the first gen 2.0T is going to STU with the rest of the line. Check page 11... http://scca.cdn.racersites.com/prod/...strack-oct.pdf

It's truly a shame because there is 0% chance a first-gen 2.0T could be competitive against a C5 or boost buggy. I bet if enough people wrote letters it could get bumped down to STX. It makes more sense as the first gen 2.0t is in GS and the rest are in DS. Oh well.

I got to put my rspec to good use last weekend for the first time. The difference between the base model and the rspec is felt IMMEDIATELY. Instead of roasting tires I could feel the car hunkering down in high-load corners. I was running it on 18" 245/35 RS3s and was happy to find out that with -1.8 up front there was just enough clearance. At the next event, we will be bolting up the massive 265s on the rear wheels to the front hubs as they have the same wheel width as the stock Rspec wheels. If it works, it's off to buy some 18x8.5 PF01s....maybe get some 285s on there???

My codriver and I have yet to run a square setup...but our car doesn't push at all with the right swaybar setting. I think with a square setup we would be too loose.

Anyone running more negative up front? I have about 5mm of space between the rubber and the strut tower at -1.8...
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post #12 of 206 Old 11-07-2013
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Since those are recommendations to the BOD, don't they have to be approved before its official?
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post #13 of 206 Old 11-08-2013
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IMHO, they're all screwed in either STU or STX. Too heavy/wide for STX, not enough tire under it and not enough power (although a 2013+ V6 MIGHT come close) for STU.

Brad : I think you know my setup anyways (DStock '12 V6 R-spec, FStreet in 2014) but for the record

Bars : Whiteline front (bigger bar, on stiffest setting) with custom endlinks, stock rear bar/links

Alightment : -2.1 (bolts maxed) in front, -1.2 rear, zero toe front, SLIGHT toe-in rear. Will note that I intend to play more with alignment in 2014

Shocks : Custom Koni DA front and rear . I know this isn't an option for others (Brad knows why), I do know what I'd try next if the Konis weren't on my car.

Wheels/Tires : 245/40R19 Z2 F/R, 19x8.0F and 19x8.5R G35 Rays wheels (+30 offset front, +33 rear). Most likely going to a set of 18" RPF1s next year (likely with 245/40R18 all around...likely Rival first then see what happens), will run front spacers to maintain the front strut clearance at max negative camber with minimum class legal offset (can go down to +29 since stock wheel is at +35, RPF1 is also at +35 = 6mm spacer).

Note on tires : past experience is that street tires IN GENERAL don't like being squeezed on a rim. In other words, a 265 on an 8.0" rim doesn't effectively put any more rubber down (or work better) than a 245 on the same rim. That said, REALLY stiff sidewalls can make it work (see Hoosier A6 or Kumho V710...I ran 265 A6s all around on the same G35 rims on the car in DS trim)...question is if the Hankook or Rival sidewall is "stiff enough" to make it work. Just might be . Can pretty confidently say the Z2 sidewall is NOT stiff enough to make it work, and the Toyo R1R sidewall is DEFINITELY not stiff enough to make it work.

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post #14 of 206 Old 11-17-2013
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Quote:
Originally Posted by BMcCann View Post
In the October Fastrack, it says that the first gen 2.0T is going to STU with the rest of the line. Check page 11... http://scca.cdn.racersites.com/prod/...strack-oct.pdf

It's truly a shame because there is 0% chance a first-gen 2.0T could be competitive against a C5 or boost buggy. I bet if enough people wrote letters it could get bumped down to STX. It makes more sense as the first gen 2.0t is in GS and the rest are in DS. Oh well.
FWIW, I put in a letter to the SEB requesting the 2010-2012 2.0T remain in STX. I would recommend everyone that is a SCCA member here do the same. The website to do so is sebscca.com. The more support we can get for this the better.
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Quote:
Originally Posted by CrazyCalm View Post
FWIW, I put in a letter to the SEB requesting the 2010-2012 2.0T remain in STX. I would recommend everyone that is a SCCA member here do the same. The website to do so is sebscca.com. The more support we can get for this the better.
Done!

Ed Runnion -- San Jose CA
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post #16 of 206 Old 05-04-2014
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Hello,

Glad I found this thread. I currently do not own a Genesis but I'm looking at possibly purchasing one soon. Right now I have a 2009 CTS-V sedan. I autocross the car and have learned a lot about throttle control. I am running in F Street and personally the car isn't competitive enough and there really isn't much backing from vendors to be competitive in the stock classes.

The best I can do is second or third in FS locally. Last year in RTR I got killed. So far this year two races in I recorded the fastest novice and was still second in my class behind a Mustang GT.

So I am looking at moving towards the Genesis since it had decent power and almost 1000lbs lighter than my car now. I have plans to run it in FS but eventually move it to STU where I can run a bigger wheels and 285 square setup.

I would just like to know how the Genesis is out on track. Does it hold it's own, what suspension setups are people running, how's the gearing are you hitting redline etc.

Thank you for your help and time. - Matt

Here's my fastest novice run: https://www.youtube.com/watch?v=sXAD...ature=youtu.be
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post #17 of 206 Old 05-06-2014 Thread Starter
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The old 2.0T R-spec works great. I won the College Station tour and Mineral Wells ProSolo in mine. The refreshed models in FS have a huge uphill battle vs. M3s and other muscle cars. I have always wanted to do an ST build but there is no way it would be competitive in STU vs. the 350z and boost buggies.

I hit the limiter all the time on big courses...but it is manageable vs. the other GS cars out there.
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post #18 of 206 Old 05-10-2014
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Quote:
Originally Posted by MattV View Post
Hello,

Glad I found this thread. I currently do not own a Genesis but I'm looking at possibly purchasing one soon. Right now I have a 2009 CTS-V sedan. I autocross the car and have learned a lot about throttle control. I am running in F Street and personally the car isn't competitive enough and there really isn't much backing from vendors to be competitive in the stock classes.

The best I can do is second or third in FS locally. Last year in RTR I got killed. So far this year two races in I recorded the fastest novice and was still second in my class behind a Mustang GT.

So I am looking at moving towards the Genesis since it had decent power and almost 1000lbs lighter than my car now. I have plans to run it in FS but eventually move it to STU where I can run a bigger wheels and 285 square setup.

I would just like to know how the Genesis is out on track. Does it hold it's own, what suspension setups are people running, how's the gearing are you hitting redline etc.

Thank you for your help and time. - Matt

Here's my fastest novice run: https://www.youtube.com/watch?v=sXAD...ature=youtu.be
I can't chime in much on autocrossing since I haven't done it (track days for me), but I can say that I highly highly doubt you will fit 285's in the front. I'm at 255's and I don't think I can go much more. With -2.1* camber I'm already really close to the struts, and there's not much more room on the outside to the fender.

285's in the rear though is fine.

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Quote:
Originally Posted by acgidley View Post
I can't chime in much on autocrossing since I haven't done it (track days for me), but I can say that I highly highly doubt you will fit 285's in the front. I'm at 255's and I don't think I can go much more. With -2.1* camber I'm already really close to the struts, and there's not much more room on the outside to the fender.

285's in the rear though is fine.
i second that ^
although as i've been told, money can do anything. you might have to run negative offsets and get fender flares to fit a 285, but i'm sure it could be done.

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Im running the OEM 2013 2.0T tires, with bc racing coilovers, -1.5 camber in the front and rear. At 19k milles my tire tread is getting pretty bald so im in the market for new tires. I know that "true" auto-x tires and all season/dd tires are mutually exlusive....but, luckily i live in san diego, so, i dont have to worry so much about running low tread during winter.

Ive read about on the brz/frs and nissan forums about "the closest DD/autox tire setup" where people just get good all season tires and when they auto-x, they inflate them very high, then take a lot of air out for daily driving and say thats the best budget approach..

Im looking to do something similar on the genesis. Lately, and i plan to continue auto-xing give or take 3-4 times a month. On champion days i like to do x runs, so 8 total on those days and then 12 runs on the practice days.

Anyone recommend a good tire set up that'll increase in performance at autoX via inflating it, and then deflating it for daily driving? I aint trying to win any ranking, just have fun, improve my times and not buy tires every 6 months or whatever :P

I know its wishful thinking, gotta pay to play, but im hoping someone can enlighten me with wisdom.

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