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Old 06-10-2008, 09:34 AM   #1
nevergivethatup
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Default Which tire is better?

Which tire is better the

1. Falken RT-615
2. Dunlop Start spec

both in size 235-40-17 on a 17x8 rim.
Both are about the same price. RT-615 just a tad bit cheaper.

use will be

DD, Mountain roads, AutoX, maybe Track days.

Which one is quieter?
which one will last longer?
which one has more grip?
which one has better feel?

did anyone use both tires yet?
Thanks
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Old 06-10-2008, 10:16 AM   #2
nhat
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dunlop z1 star spec >>> rt615.

i have no experience with the star spec but those that do will say the same.
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Old 06-10-2008, 11:21 AM   #3
nevergivethatup
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well is it worth the extra $100 ??
how is the wear on both tires?
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Old 06-10-2008, 01:18 PM   #4
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The Dunlop should be the better DD.....MUCH MUCH better wet handling.

I would imagine the wear and dry traction to be very similar...considering the compounds are close (Falken and Dunlop are both produced by Sumitomo)
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Old 06-10-2008, 03:08 PM   #5
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Quote:
Originally Posted by Crawdads View Post
The Dunlop should be the better DD.....MUCH MUCH better wet handling.

I would imagine the wear and dry traction to be very similar...considering the compounds are close (Falken and Dunlop are both produced by Sumitomo)
Really? I didn't know that Sumitomo makes both Falken & Dunlop tires. When did this start happening?
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Old 06-10-2008, 04:15 PM   #6
Crawdads
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Quote:
Originally Posted by flukewrx View Post
Really? I didn't know that Sumitomo makes both Falken & Dunlop tires. When did this start happening?
Its a convoluted web of mergers/acquisitions/market agreements...but Sumitomo is the parent company (for Japanese made Dunlops)

The Dunlop brand is shared between Sumitomo and Goodyear.
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Old 06-10-2008, 09:11 PM   #7
nevergivethatup
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Well we hardly get rain here in socal so wet traction set aside

which one will be a better performer

grip? and looks?
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Old 06-11-2008, 01:20 AM   #8
DougM
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the Dunlop is far far far far far grippier than the Azenis, you have my word on that. (in the wet and dry). they are also quieter adn feel great (not sure how long they last but they have the same rating) buy them, it's really a no-brainer
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Old 06-11-2008, 12:36 PM   #9
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Star Specs seem to be the hot stuff these days, a good alternative to the RE01-R. But don't be surprised if they wear out quickly. These "extreme" performance tires (RE01-R, RT-615, Advans, etc) are sticky and will wear quickly.
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Old 06-12-2008, 06:06 AM   #10
nevergivethatup
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guess ill dish out 600 bucks from tire rack to see what all the fuss is about.

Luke wanna give me a discount?? hahaha
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Old 06-12-2008, 02:59 PM   #11
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The wear is rather decent for the RE01R actually. It's also a very comfortable, quiet ride, unusually so for a performance tire. The only gripes that I would give it is that it is not tremendously happy in the rain. It's not a hydroplaning thing, but it's a compound thing. Some rubbers feel "grabby" in the wet and some feel more "slippery." The RE01R doesn't quite feel slippery, but it also doesn't feel grabby either. Overall wet grip is good, on par with most other options, but there are better compounds out there that bite better in wet. Dry grip is very good, but it does take a little bit of heat first off to get them to really stick. This maybe also why they feel less than stellar (average for the performance category) in the wet. The other gripe is handling crispness. The tire is a little soft feeling. The side wall is rather stiff with very, very little roll-over on hard cornering, even with lower tire pressures, but the feel is soft. The compound is soft, so it may partially be that, but the entire carcass may shift sideways some too. I'm not sure the exact reason. It's not bad, but other options will provide a crisper feel. However, if you're worried so much about handling crispness, you better have upgraded all your suspension bushings first, because even the stiffest tire on the planet still is unresponsive using the stock, mushy, rubber bits.

The Star Spec is the new kid on the block. There's a lot of interest in it for many reasons. It's also had really positive results in auto-x.

With any tire choice, it's a mix of properties. There are a lot of characteristics to a tire, and it's the sum of those characteristics that makes up the whole package. In the end, you simply have to find the whole package that best fits you and your needs. This may be one of the 2 you listed. It may be none of them.
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Old 06-13-2008, 12:35 AM   #12
Ukashi82
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man take dunlops !!! i'm telling you. I have 245/45/17 they are a bit too high but with stock suspension they work just fine. i think you will be able
to squeeze 245/40 on your rims. and now about handling

THEY ARE AWESOME.

my friend was driving my sti last time and he was surprised how good they are. Then i had a chance to drive his evo ( Falken RT615) for comparison purposes, and i think they don't handle as well as Z1.
anyway both tires are good but Z1 would be better on wet that's for sure.

you are asking about noise. both will be noisy.

Take DUNLOPS

+1 for DUNLOPS

and one more thing!!!

don't buy RE01R my friends don't like them. i didn't hear nothing good about RE01R. i heard the RE01R don't handle good. Driving on them is like driving winter tires on ice. I don't have much experience with them, but my friends are crying about them

Last edited by Ukashi82; 06-13-2008 at 12:45 AM.
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Old 06-13-2008, 04:06 AM   #13
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Haha.

Drive on a pair and then give feedback. Feel free to have your friends comment though. They should be able to explain things in more detail.

But yeah, everyone has their own preferences. I assume it's the slightly soft feel of the tires that some find lacking. The tire isn't squishy, squirmy, etc, but you don't have this razor's edge nor firmness like some tires have. Some folks seem to demand this. However, for us Subaru guys, it's tough to think so critically about such things when most folks are running the rather soft and very mushy stock suspension bushings. I may have a meager ol' Forester, but I do a lot with it. It is my daily driver but sees auto-x, rally-x, and ice racing year round and goes through every surface and climate condition in between (obviously not this set alone). I have never been light on my cars, and everything I've driven has been pushed full tilt on many occasions. I am not light on my car or my tires, and I do purchase and use with certain expectations. In terms of the RE01R, there just isn't a lot to realistically complain about. I only have one, single gripe, and that's to have a slightly "grabbier" feel in wet and a less significant drop in traction in wet (although still competitive with the others).

As far as actual usability, the RE01R, Star Spec, and AD07 are the top three summer tires on the market, basically the best grip you can get without stepping to an R compound. The 615 is a long time leader and a very seasoned auto-x tire. All these tires are great performers but have different personalities. You'll just have to find the personality you like best. There's lots of user comments on this forum and in the Sticky on top, plus you have Tire Rack's test results.

The Star Spec, as far as I've heard them described, are "better" tires than anything else on the market. I say "better" because it's a matter of personal preference. From my reading, they seem to provide better handling crispness and high overall grip. They are preshaved though, which does improve grip and handling characteristics. It may be more useful or appropriate to compared shaved sets of the other tires. Factory shaved tires isn't exactly a new tactic, but for a dedicated sport tire, it may be beneficial for immediate results.

Last edited by Back Road Runner; 06-13-2008 at 04:30 AM.
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