Go Back   Club Lexus Forums > Lexus Special Interest Forums > Lexus Motorsports and Racing > Road Course and Auto-X
Sign in using an external account
Register Forgot Password?

Track Days and my IS350

Reply
 
 
 
 
Thread Tools Search this Thread Display Modes
Old 06-07-11, 09:57 AM   #1
Sportskid1
Pole Position
Trader Score: (1)
 
Join Date: May 2011
Location: Ca
Posts: 238
Default Track Days and my IS350

I am thinking about doing some track days this summer with my 08 IS350 and I was wanting opinions of other who track their IS350. This is my daily driver so I don't want to effect its reliability. Has anyone had any problems with their car or anything break at track days. I have never done one so I will probably be slow for a while but it looks so much fun. Probably won't do more than 3-4 a year tops.

Also are there any simple modifications to help improve the 350s track performance. My warrenty is just about up so I don't mind doing some basic modifications. Not looking to add an exhaust to gain 2hp but more in the suspension and breaks side of things. I did notice is does have a far amount of body roll when pushing it.
This ad is not displayed to registered members.
Register your free account today and become a member on Club Lexus!
Sportskid1 is offline   Reply With Quote
Old 06-07-11, 10:02 AM   #2
furryjet
Pole Position
Trader Score: (2)
 
furryjet's Avatar
 
Join Date: Nov 2008
Location: BC
Posts: 243
Default

Quote:
Originally Posted by Sportskid1 View Post
Not looking to add an exhaust to gain 2hp but more in the suspension and breaks side of things. I did notice is does have a far amount of body roll when pushing it.
Try f-sport sway bars and maybe some coilovers.
__________________
| PPE | F-Sport | BuddyClub | GFX | WALD | Philips | TOM'S | Power Slot |
| Endless | Akebono | FTP | Junction Produce | WORK | SWIFT |
furryjet is offline   Reply With Quote
Old 06-07-11, 10:02 AM   #3
langjaykev
Lead Lap
Trader Score: (1)
 
langjaykev's Avatar
 
Join Date: Mar 2011
Location: CA
Posts: 556
Default

f sport sway bars.
__________________
2011 IS 350 F-Sport
6000k Garax/6000k Volt fogs.
F Sport Intake
F Sport Exhaust
langjaykev is offline   Reply With Quote
Old 06-07-11, 10:23 AM   #4
Kurtz
Lexus Fanatic
Trader Score: (1)
 
Join Date: Aug 2007
Location: NC
Posts: 7,814
Default

Quote:
Originally Posted by Sportskid1 View Post
I am thinking about doing some track days this summer with my 08 IS350 and I was wanting opinions of other who track their IS350. This is my daily driver so I don't want to effect its reliability. Has anyone had any problems with their car or anything break at track days. I have never done one so I will probably be slow for a while but it looks so much fun. Probably won't do more than 3-4 a year tops.

Also are there any simple modifications to help improve the 350s track performance. My warrenty is just about up so I don't mind doing some basic modifications. Not looking to add an exhaust to gain 2hp but more in the suspension and breaks side of things. I did notice is does have a far amount of body roll when pushing it.


Depends what kind of track.


For a drag track you might want to really consider the intake and exhaust.

For a circle or auto-x track you'd want sway bars and probably different brake pads (the fronts are really easy to swap on the 350) at a minimum. Oh, and better tires.


Probably not worth doing the more hardcore stuff (corner balanced coil-overs, lightweight rims, larger rotors) if you're only going a few days a year.
__________________
2008 IS350 - Black Sapphire Pearl/Cashmere - Sport Package, Mark Levinson (no nav), XM, Tanabe Exhaust, F-Sport Intake and Sway Bars
Kurtz is offline   Reply With Quote
Old 06-07-11, 11:12 AM   #5
shadowman
Lexus Champion
Trader Score: (2)
 
shadowman's Avatar
 
Join Date: Jun 2010
Location: CA
Posts: 2,205
Default

Also...

F-sport undercar brace to stiffen up the chassis and maybe a front strut brace.

Weight reduction also helps to improve handling... you can get carbon fiber hood and trunk. Like kurtz said, TIRE makes a really big difference. The tires are what come in contact with the road. I would go for a nice set of tires for racing first before slapping on the coil overs.
__________________
2010 Tungsten Pearl IS250 RWD | Premium Package Value

Mini Mods - Clear Bra | Yellow Fog Overlays | Razo Formula Race Pedals | Matte Black Rear Emblems
Mods - F-Sport Intake | Tanabe Madellion Exhaust | IS350 BBK Conversion | Powerslot Rotors | XenonDepot 5000K HID Conversion
shadowman is offline   Reply With Quote
Old 06-07-11, 11:21 AM   #6
iRock
Lexus Champion
Trader Score: (10)
 
Join Date: Aug 2009
Location: Bay Area
Posts: 4,031
icekillah
Default

I'm probably gonna do a couple days myself now that I have new tires.Lowering it a bit might help also. Not to much though
__________________
iRock is offline   Reply With Quote
Old 06-07-11, 01:44 PM   #7
06isDriver
Lexus Test Driver
Trader Score: (0)
 
06isDriver's Avatar
 
Join Date: Aug 2009
Location: Louisiana
Posts: 1,355
Default

I ran mine with practically everything stock for suspension mods go and it felt like I was at the top of a pine tree in a summer storm. It felt like it practically wanted to roll over on top of itself and the understeer was atrocious.

At the time, I had 19's with fresh tires, intake and exhaust.

Now though, after my sway bar and coilovers, Id like to give it another go this summer and see where I stand.

All in all, though....the tires are definitely the limiting factor. Oh, and be prepared to completely shred the tires too. I actually made myself stop goin round the track after I saw the massive chunks that were missing from my front tires.

Get you some track only tires. This way, you wont mind if they go and you'll get better times.
__________________
-08 GX470 Blizzard Pearl - 3" lift, steel plate winch bumper, rock sliders, 33" Destination MTs
-06 IS350 Tungsten Pearl nav/ML - 298whp/278tq - custom intake, MAPECU3, PPE headers, custom exhaust, Innovate Wideband, Megan coils, 18x9.5 all around Enkei NT03
06isDriver is offline   Reply With Quote
Old 06-07-11, 02:41 PM   #8
Sportskid1
Pole Position
Trader Score: (1)
 
Join Date: May 2011
Location: Ca
Posts: 238
Default

Thanks for all the advice. I think I will start with the F-Sport sway bars. Are those a pretty easy bolt on? Swap out both front and rear? From there I will give it a day on the track and see how I feel before investing in coilovers.

As for tires I am currently running Hankook Ventus V12s. Anyone run those at the track? Since I will only be doing a few track days a year I am not sure if I want to go with a track specfic tire as I really don't want to replace them every 10K street miles. May be I can start looking for a extra set of rims if I really get into it.
Sportskid1 is offline   Reply With Quote
Old 06-07-11, 03:13 PM   #9
Kurtz
Lexus Fanatic
Trader Score: (1)
 
Join Date: Aug 2007
Location: NC
Posts: 7,814
Default

Quote:
Originally Posted by Sportskid1 View Post
Thanks for all the advice. I think I will start with the F-Sport sway bars. Are those a pretty easy bolt on? Swap out both front and rear? From there I will give it a day on the track and see how I feel before investing in coilovers.
Long as nothing is rusted on the sway bars are very easy... 1-2 hours to do yourself depending how slow you go... the front taking 3/4 of the total time since you have to remove a few underpanels to get to it while the rear is "right there"

Quote:
Originally Posted by Sportskid1 View Post
As for tires I am currently running Hankook Ventus V12s. Anyone run those at the track? Since I will only be doing a few track days a year I am not sure if I want to go with a track specfic tire as I really don't want to replace them every 10K street miles. May be I can start looking for a extra set of rims if I really get into it.
You'll probably be fine, those are excellent street tires
__________________
2008 IS350 - Black Sapphire Pearl/Cashmere - Sport Package, Mark Levinson (no nav), XM, Tanabe Exhaust, F-Sport Intake and Sway Bars
Kurtz is offline   Reply With Quote
Old 06-13-11, 09:30 AM   #10
Sportskid1
Pole Position
Trader Score: (1)
 
Join Date: May 2011
Location: Ca
Posts: 238
Default

Ordered the sway bars. It is a So Cal car so hopefully rust won't be an issue and they go on quick.
Sportskid1 is offline   Reply With Quote
Old 06-13-11, 10:16 AM   #11
Salduchi
Driver
Trader Score: (3)
 
Salduchi's Avatar
 
Join Date: Apr 2011
Location: CA
Posts: 172
Default

I did Autocross with my stock 350 this past April. Can tell you for sure it needs sway bars. Second, I would say either springs or coils. Then I would consider exhaust and or intake. I did not feel an issue with braking but average speed was only about 50mph.

I've already done the sways and springs. I had new Ventus V12's on the back and they handled great.
Salduchi is offline   Reply With Quote
Old 02-02-12, 11:12 AM   #12
White350
Rookie
Trader Score: (0)
 
Join Date: Apr 2011
Location: on
Posts: 78
Default

I took my nearly stock 250 out for a couple time attack sessions last year, get Coilovers and be done with it,
beyond that I'd recommend some decent brake pads, and decent rubber these cars are new enough that they really don't need much to go on the track and have fun with
__________________
Ings Kit, Varrstoen's 19x9.5/19x10.5, Short ram intake, Fujitsubo catback, HSD Coilovers, MXP lug nuts and more!
White350 is offline   Reply With Quote
Old 02-02-12, 06:32 PM   #13
lobuxracer
Tech Info Resource
Trader Score: (2)
 
lobuxracer's Avatar
 
Join Date: Jul 2006
Location: Georgia
Posts: 13,762
Send a message via Skype™ to lobuxracer
Default

I track my F about the same. Brake pads for sure. Stiffer springs or sways or both would be good choices for the 350 (I owned one before I got my F). Street tires are recommended especially for new drivers because they'll give a lot more warning before they let go.

If your tires are chunking it's because the tires are crap and/or you're not running enough pressure in them to keep them from overheating. The OEM Bridgestones on the F (RE050A) work just fine at the track - I got 30k miles and four track weekends on my first set of rears, so tires (as long as they're not crap tires) will be the least of your expenses considering the 350 is almost 150 lbs lighter than the F.
__________________

'08 USE20L−FEZRHA Obsidian
'93 JZA80L-ALFVZA Alpine Silver

Most performance mods need a watch and timed course to demonstrate actual improvement. Few deliver the advertised claims. Many are actually worse than stock. The best performance mods are made to the driver.

Emotional arguments - They're not just for chicks anymore.
lobuxracer is offline   Reply With Quote
Old 05-18-12, 08:02 AM   #14
Roninsan
Rookie
Trader Score: (1)
 
Join Date: May 2012
Location: California
Posts: 79
Default

I wouldn't even bother with getting an intake or exhaust especially if you guys are running on the typical short track autocross course. I would concentrate more on the suspension upgrades, chassis bracing, bushings, LSD maybe a 2-way, lightweight flywheel upgrade your clutch, and if you still got money in your budget....BBK.

I say this because I rather enjoy the handling of this cars first and develop my skills to drive these cars as if they are an extension of my arms and legs.
Roninsan is offline   Reply With Quote
Old 05-18-12, 08:02 AM
 
 
 
 
Reply

Similar Threads
Thread Thread Starter Forum Replies Last Post
Need Advice on Lowering my IS350 - Springs vs. Coilovers brociouz Suspension and Brakes 11 06-18-14 11:09 AM
I8ABMR'S Wild Horse Pass Track Day Videos AND F-Sport rear sway bar track review I8ABMR IS F 24 06-06-14 06:58 PM
Everything You Need To Know To Track Your IS-F lexuz125th IS F 6 11-02-12 08:43 AM
Which Wheel for track duty? ERDoc74 IS F 43 10-07-12 12:20 PM
Lexus LFA at Nurburgring from an LFA owner's perspective 05RollaXRS LFA Model 11 10-10-11 11:34 PM


Tags
350, bar, bars, body, clublexus, coilovers, day, forum, is350, lexus, performance, roll, sport, sway, track

Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

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 Off
Pingbacks are Off
Refbacks are Off

Forum Jump

All times are GMT -7. The time now is 05:27 AM.

Join ClubLexus
Advertising


Copyright © 2000-2008 Internet Brands, Inc. All Rights Reserved
Privacy Policy | Disclaimer | Terms of Use | JOBS


Get all contact info