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Going to the track....
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07-25-2007, 05:33 PM | #1 |
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Going to the track....
I just signed up for the BMW car club track day at Buttonwillow in Sept but I'm a little clueless about the tires.
I really don't want to destroy the run flats that come with the car, and am thinking of just switching out my tires so I can have some fun on the track a few times a year, and keep the run flats for normal driving. 1) What tires would you guys suggest for the track only? (option a) 2) What tires for both daily thrashing and track day? 3) If I didn't swap them out how brutal would it be on the stock tires? I currently have the 18" stock sports package brdigestones on my 335i. Thanks,
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07-25-2007, 06:34 PM | #2 |
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you can go to the track with basically anything. I've been on a track with a minivan, but your tires should be performance oriented with a speed rating exceeding your top speeds.
Your tires will get ripped to shreds. You can put a few extra pounds of air in there to help them a little, but they get chewed up if you push it hard (and thats the point, right?). I've never been on a track with runflats. I don't think that they will perform as well as a non RFT, but I'm running on some right now and I think I could still tear it up pretty well. If you can afford to throw a set of track tires on there though, go for it. |
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07-25-2007, 08:10 PM | #3 |
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The form has "racing tires", what exactly qualifies for those? Are we talking michelin pilot sports, or something like those?
I'm sure runflats should be fine, but kinda expensive tires to chew up fast on the track.
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07-26-2007, 01:42 AM | #4 |
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Hmmmmm, thinking of maybe of also getting some low cost but light rims to also go along with tires to make swapping an easier adventure. Any ideas on an 18" rim tire package would greatly be appreciated
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07-26-2007, 08:29 AM | #5 |
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all depends what ur budget is for a second set of "track" tires.... best thing would be to go with track tires mounted on light-weight racing rims...
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07-26-2007, 04:35 PM | #6 |
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Would 1k be a decent budget for rims and tires? Seen some people go to a smaller rim at 17" and go for a larger tire to save on cost and weight? Is that a decent idea or is the cars suspension better designed for 18" rims with a similar tire size to stock?
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07-26-2007, 04:43 PM | #7 |
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$1.5-2k unless you're going for used rims.
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07-26-2007, 05:01 PM | #8 |
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Got just the thing for you...
Here's a set of lightweight Wheels, 18" X8.5" SSRs. Good price, and I am not moving on them very fast. But for track only kinda work they are ideal... Mount up some Hoosiers, or just some High Performance street rubber and have fun!
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07-26-2007, 05:07 PM | #9 |
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Getting a set of wheels for the track is a great idea. My dad used to take an M5 to the track (e39) and instead of chewing up his street tires like I always did, he bought a relatively inexpensive, but light set of wheels for the track that he could put some high performance tires on. They were 17's that would not have won any points for style on the m5, but when you put them on at the track with the badass rubber he had on them, it looked ready to rip it up.
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07-26-2007, 07:37 PM | #11 |
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Yeah, 1.5 to 2k does seem like a better range. Trying to keep the cost low for more future upgrades...
Good to hear about the track Ward, first time out. Can't wait
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07-26-2007, 07:52 PM | #12 |
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Buttonwillow is not a track that is extremely hard on the tires. Especially since it sounds like this will be your first track experience, I highly doubt that you will get anywhere near the limits of your current stock setup. Just make sure you have your pressures set properly. At the track, focus more on being smooth rather than being fast. The smoother you are, the faster you will eventually go.
In regards to "Racing Tires", this is usually in regards to R-Compounds or dedicated slicks, neither of which you need to worry about at this stage. It's much better to learn vehicle dynamics on street tires as it is much easier to recognize the limits as they are approached. Certain R-Compound tires will just breakaway from you unexpectedly with very little to no warning. Shameless plug: Now if you really insist on having a separate track setup, our 18" VMR VB3 wheels would make an excellent option. Paired with a set of Kumho MX's, you'll have great street/track setup for < $1500
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07-26-2007, 08:06 PM | #13 |
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Thanks for the info VMR, taking a look.
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07-27-2007, 07:26 PM | #14 |
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I just bought a set of Kosei K1 17x8.5 wheels and Kumho's for the track from Tirerack for about $1200 shipped. Saves 40lbs vs. stock and after 1 or 2 replacements will be saving money over replacing RFTs. Also eliminated staggered setup.
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07-28-2007, 12:51 AM | #15 | |
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Quote:
Good comment..I agree.
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07-28-2007, 03:41 PM | #16 |
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Whats the benefit of a non-staggered setup, you can rotate your tires? Also, how do you like the handling of the car on 17" vs 18"? Any other issues pop up?
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07-29-2007, 11:14 AM | #17 |
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Most OEM setups on high performance cars are staggered because this setup is safer for the average driver. The increased grip provided by the wider rears produces understeer in most panic driving situations. A car that understeers is more stable. But for performance driving a more neutral setup allows for less understeer and more oversteer. With the non-staggered setup I can develop skill for driving at the limit in a variety of scenarios that the staggered setup makes more difficult to achive.
I'm just a novice here so this is my current understanding... You can rotate your tires but it is not necessary (or at least, not frequently necessary) since our cars have 50% weight distribution. Front wheel drive cars wear the fronts down unevenly vs. the rears hence rotation. No other issues that I can see as of yet but if any come up will post...
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