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![]() Brakes & Suspension Forum sponsored by The Tire Rack |
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#1 |
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Scooby Newbie
Member#: 135007
Join Date: Dec 2006
Location: Boston, MA
Vehicle:2002 Wrx Sedan Aspen White |
I'm thinking of 17x9 either Rota DPT or Mach V Awesome. I'm leaning towards the latter for brake cooling. I want an opinion on how its going to handle compared to a 17x8 before pulling the trigger. Also need tire suggestions please. I'm willing to roll but not pull and I do NOT plan to slam the car (at least an inch of gap expected).
Other supporting mods: QRack 11.5:1 Tarmac 2 Coilovers (500F/400R) Ground Control Front Camber plates, Cusco rear camber plates Whiteline F/R 24mm adjustable Brembo's F/R with DBA 4000 rotors, stainless lines Primary use - HPDE Thanks!
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#2 |
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Scooby Specialist
Member#: 215344
Join Date: Jun 2009
Chapter/Region:
MWSOC
Location: Indy/SE Indiana
Vehicle:2004 STi STU/DD Prepped by TiC |
Sending you a PM on my opinion of the 17x9 Rota DPT et42
Last edited by yazel; 10-05-2012 at 10:21 AM. |
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#3 |
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NASIOC Supporter
Member#: 203438
Join Date: Feb 2009
Chapter/Region:
MWSOC
Location: St. Louis, MO
Vehicle:2002 WRX PSM |
I run DPTs in that size. Tires are 255/40-17. I've done some very minor rolling in the rear. I've got about the same size fender gap and my spring rates are 400/400. I also run ~8mm spacers up front.
During normal daily and spirited driving I have NO issues. Once in a while (very seldom), I'll find a BIG bump or pothole that compresses one of the rears enough to scrape a little strip of rubber off the tire. IMO, definitely get the 17x9. You'll have no issues if you run a 245/40 and/or actually roll your rear fenders all the way. ![]() EDIT: I can't give a direct comparison in handling to a 17x8, but just remember: any time you increase track (width), you effectively increase roll stiffness. You might have to put up with a bit more bump steer, but that's a worthwhile trade, IMO! EDIT 2: For tires, assuming you want streetable ones (not slicks), I think the Potenza RE-11, Ventus R-S3, Ecsta XS, and Direzza Z1 Star Spec are still the best summer tires around. Star Specs seem to be dominating my local autocross, and are almost as good as RE-11 for WAY LESS MONEY. I've owned the Star Specs and the Ventus R-S3; both are great tires, but I think the Star Specs had a slightly more solid feel (less squirmy). Last edited by mowgli29; 10-05-2012 at 12:22 AM. |
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#4 |
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NASIOC Supporter
Member#: 16200
Join Date: Mar 2002
Vehicle:OK Houston we have an Uncle |
the 17x9 +42 is likely the best size with a 245/40
a 255/40 may be problematic the 595rs-r in 235/40 may be a good way to go if ya want to drop the gearing a lil Last edited by Uncle Scotty; 10-05-2012 at 12:37 AM. |
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#5 |
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Scooby Newbie
Member#: 135007
Join Date: Dec 2006
Location: Boston, MA
Vehicle:2002 Wrx Sedan Aspen White |
Thanks for the feedback guys. I think I'll start off with the 245's then. I know the Mach V's clear Brembo without a spacer. Not sure about DPT?
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#6 |
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Scooby Newbie
Member#: 217175
Join Date: Jul 2009
Location: Columbus, OH
Vehicle:2003 WRX WRB |
I went from a 17x8 rota with a 235/40 RS2 to the 17x9 Mach V with a 245/40 AD-08. Feel and over all grip was noticeably improved. Turn in was quicker, the ride was better, the tire is quieter, and noticeable less tramlining.
I did have to roll the rear, they would rub on large bumps. |
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#7 |
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Scooby Newbie
Member#: 135007
Join Date: Dec 2006
Location: Boston, MA
Vehicle:2002 Wrx Sedan Aspen White |
OK...... Ordered the Mach V Awesomes. Now I need the 245s. Primary use is HPDE so who has the grippiest? Dunlop Direzza Z1 Star Specs? Hankook Ventura RS2? Others?
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#8 |
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Scooby Newbie
Member#: 178410
Join Date: Apr 2008
Chapter/Region:
SCIC
Location: Downtown LA
Vehicle:2006 WRX Wagon CGM |
Direzzas and RS3 would be my 2 preferred choices. Kumho XS its a good tire if you can find a good deal. Falkens have fallen behind. Yoko I don't think price difference its worth it. RE11 are great but dunlops and rs3 are way cheaper offering same grip.
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#9 | |
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NASIOC Supporter
Member#: 16200
Join Date: Mar 2002
Vehicle:OK Houston we have an Uncle |
Quote:
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#10 |
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Scooby Newbie
Member#: 135007
Join Date: Dec 2006
Location: Boston, MA
Vehicle:2002 Wrx Sedan Aspen White |
Ok Star Specs in the lead. Anyone else?
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#11 |
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Scooby Specialist
Member#: 190502
Join Date: Sep 2008
Chapter/Region:
International
Location: Sydney, Australia
Vehicle:2005 VF36 WRX |
I run the same wheels with 245/40 R17 RS3's and have found them to be a great tyre, I haven't tried the star specs though.
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#12 |
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NASIOC Supporter
Member#: 203438
Join Date: Feb 2009
Chapter/Region:
MWSOC
Location: St. Louis, MO
Vehicle:2002 WRX PSM |
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