- #233 of 300
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Re: 2007 G35 sport Kumho [doug113x]
by madmarlin
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Jul 30, 2008 (9:29 am)
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Replying to: doug113x (Jul 30, 2008 8:49 am)
I put on the Goodyears and have about 6k miles on them. I was very unhappy with the treadwear on the Potenzas and did not want to put them on again. The ride on the Goodyears is smooth. The one noticable difference is that the tires are a bit harder than the Potenzas. Road noise is up ever so slightly and the stiffness is somewhat elevated. With that said, I am happy with the tires. Grip is fine, ride is smooth and wet tractions is solid, which is important in Florida. They are not as quiet or "cushiony" as the Potenzas, but the sacrifice in those areas is relatively small and, in my mind, outweighed by the treadlife (should it live up to its promise). I'm only 6,000 miles in, so things can change, but I do not regret the change to the F1's at this juncture.
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- #234 of 300
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Re: 2007 G35 sport Kumho [madmarlin]
by doug113x
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Aug 01, 2008 (4:59 am)
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Replying to: madmarlin (Jul 30, 2008 9:29 am)
Thanks for your input. It's good to know that the F1's are a good tire. The F1 is probably the way I'll end up going unless I get some feedback on the Kumhos.
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- #235 of 300
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Re: 2007 G35 sport Kumho [doug113x]
by tszhfung
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Aug 05, 2008 (10:43 am)
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Replying to: doug113x (Jul 30, 2008 8:49 am)
I also have an 07 G35 with 18" wheels. I will be putting on a set of Kumho LX today and will report back how they do.
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- #236 of 300
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Re: 2007 G35 sport Kumho [tszhfung]
by doug113x
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Aug 05, 2008 (11:20 am)
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Replying to: tszhfung (Aug 05, 2008 10:43 am)
Great. I'm really interested in what you think of them.
Thanks,
Doug
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- #237 of 300
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Re: 2007 G35 sport Kumho [doug113x]
by tszhfung
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Aug 05, 2008 (2:59 pm)
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Replying to: doug113x (Aug 05, 2008 11:20 am)
Got the Kumho on and drove the car 3 miles back to work. So far so good. The tire noise are all but gone. Much better than the worn out OEM. It's so much quieter and ride so much better than the OEMs. Cornering may not be as sharp as the OEMs but it's very minor.
I will report back tomorrow after my 70 mile trip back home tonight.
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- #238 of 300
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Re: 2007 G35 sport Kumho [doug113x]
by raizelgs
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Aug 06, 2008 (6:02 am)
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Replying to: doug113x (Aug 05, 2008 11:20 am)
I have had a set of Kumho Ecsta's on my 2005 Coupe with Sport tuned suspension and 19" wheels. The tires are much quieter then the OEM Bridgestones and handling is apparently no different.
I do not push the car hard, just a 50 mile commute each day. I have had the tires since April and have had no issues. They were significantly cheaper  than Bridgestones or Goodyears.
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- #239 of 300
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Re: 2007 G35 sport Kumho [raizelgs]
by doug113x
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Aug 06, 2008 (1:34 pm)
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Replying to: raizelgs (Aug 06, 2008 6:02 am)
Thanks to both the replies on the kumos. It's good to know that the tire noise is less than the OEM and that the performance difference is minor. Truth be told the only time I really get to do any fun driving is on the on and off ramps. Looking forward to the feed back after the 70 mile trip.
Thanks again,
Doug
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- #240 of 300
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Re: 2007 G35 sport Kumho [doug113x]
by tszhfung
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Aug 06, 2008 (10:15 pm)
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Replying to: doug113x (Aug 06, 2008 1:34 pm)
Two days of driving and 150 miles afterwards with the Kumho, the tires are MUCH quieter than the OEM, even when the OEMs were new. Ride is much improved and handling difference is there but minor by my definition. The turn-in is not as sharp and precise as the OEM and you loose a little bit of the steering feel while turning. On the other hand, you do not feel every little rock and pebble through the steering wheel either. It reminds me why bought this car in the first place, I wanted a luxury sedan, and it rides like one now.
If you want a sports sedan, I suspect the Goodyear F1 may be more sporty than the Kumho. But for me, the Kumho being $150 cheaper for the whole set and treadwear being better (rating of 600 vs 420), I am thrilled with my purchase of Kumho so far.
Let see how they perform after a couple thousand miles.
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- #241 of 300
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Re: 2007 G35 sport Kumho [tszhfung]
by pandagirll1
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Aug 08, 2008 (2:57 pm)
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Replying to: tszhfung (Aug 06, 2008 10:15 pm)
You should check out this site, it might help you guys with your car problems. [=
Heres the link:
http://www.2carpros.com/forum/infiniti-g35-repair-question-vf498.html
Good luck!
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- #242 of 300
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Re: 2007 G35 sport Kumho [doug113x]
by blackmax1
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Oct 30, 2008 (7:30 am)
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Replying to: doug113x (Jul 30, 2008 8:49 am)
After much deliberation, I'll be replacing the stock RE050As on my 07 G35S today with GY Eagle F1 A/S. The car is leased and I expect to give it up in 2 years for something new, so I didn't want to buy a dedicated winter tire/wheel package and then not be able to use them 2 years from now, if my next car didn't fit them or if tire technology changed and better tires came along. My major concern with the GY Eagles is noise and balancing--Tire Rack customer reviews paint a pretty ugly picture of how loud the tires can get, though at 17K miles, I am finding the RE050As to be far from quiet (much louder than they were when the car was new). After a minor rain storm in 39 degree weather this week, I came to understand how dangerous these summer tires would be in anything worse. Will let you know how the F1s perform, though from what I've read, they uniformly start out good, then get noisy even though performance remains. Kumho reviews are quite good--but going from a max performance summer tire to a grand tourer seems like giving up a lot in the performance department, which I don't want to do....
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