- #2 of 58
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Tires
by motorhead1
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Jun 07, 2006 (3:22 am)
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I just traded my 1991 Vette for a 2002 Vette and the thing I have noticed is a lot of road noise with this car. I was just wondering if the run flat tires are the reason for the sound. All of the C5 cars that I drove had the same sound. Is there a tire to replace the ones on my car with that are not so loud?
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- #3 of 58
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Re: Tires [motorhead1]
by arizona99
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Jun 07, 2006 (7:47 am)
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Replying to: motorhead1 (Jun 07, 2006 3:22 am)
It's not so much a sound but a pulsating in the pedal when I apply the brakes. Thanks for your input.
Mike
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- #4 of 58
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Re: Tires [motorhead1]
by starrow68
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Jun 07, 2006 (8:32 am)
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Replying to: motorhead1 (Jun 07, 2006 3:22 am)
I'm going to give you the C5 common wisdom without any technical data, which I don't have. The run-flats are felt by most people to be too noisy, I switched to Michelin from the stock GY's and they are just a bit quieter. Then again when I drive around CA most tires seem noisy but when I cross the border into NV and am not on really new concrete everything is quieter too. Seems the roads make a big difference. I also run a set of Z06 wheels with non-RF Kumho's on my coupe for track days and they are not as noisy as the GY's but probably no better than the Michelin's. Having riden in several C5's, to tell the truth, the more people spend on tries the quieter they seem to feel they are, but I'm not sure there is a lot of difference. Also, since I'm lazy and don't like putting the cargo panels back into the rear of the coupe I drive with them out and that makes for lots of noise, they do help. There is a sound deadening material that I've read about that some use to good effect, and I'm betting just a pad/blanket in the rear would help as well.
Randy
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- #5 of 58
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Re: Tires [arizona99]
by starrow68
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Jun 07, 2006 (8:37 am)
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Replying to: arizona99 (Jun 07, 2006 7:47 am)
Interesting thing about brake pulsating, read a technical article, don't know where, that rotors don't warp. The gist of the issue was that pads put down uneven material layers on the rotor which you feel as pulses. The reasons can be as varied as setting the parking brake when the rotors are hot, like at a track day, to even leaving a washed car to sit a couple days and having the pad deposit some material due to moisture. If you search on some of the bigger brake company sites for info you might find more, like Brembo, or Stop Tech, etc.
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- #6 of 58
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Re: Tires [starrow68]
by volvomax
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Jun 07, 2006 (5:45 pm)
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Replying to: starrow68 (Jun 07, 2006 8:32 am)
I've got Michelin PS 's on my C5, noise levels aren't too bad.
Of course, I don't remember my C4 as being all that quiet either!
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- #7 of 58
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Re: Tires [arizona99]
by gbjerke
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Jun 08, 2006 (7:39 am)
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Replying to: arizona99 (Jun 07, 2006 7:47 am)
Boy, the "pulsating" you refer to sure sounds like warped rotors. Believe you indicated earlier that the rotors were replaced...both front and rear?
Only other thing I can think of because of the "pulsating" issue is an ABS problem. Have never heard of anyone having a problem with the ABS module but???
I take it you feel nothing thru the steering wheel?
Guess if I were you, I'd do a couple hard stops wherein you activate the ABS. Cannot offer you any technical reasons why I would do this except frustration and the possibility that the ABS sensor would "re-set" itself.
Did this "pulsating" per chance begin after you had to make a hard stop and the ABS was activated?
Can't remember from your original post but did you replace the pads along with the rotors?
Also, I believe you indicated the rotors were new. Were they possibly turned and reinstalled? Manufacturors have specs for minimal thickness of rotors and they can usually survive being turned once.
Post answers to above and I'll check with some Vette gurus and get their input.
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- #8 of 58
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Re: Tires [gbjerke]
by johnevette
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Aug 05, 2006 (4:56 am)
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Replying to: gbjerke (Jun 08, 2006 7:39 am)
I had A pulsating problem. with my 97 vette, i changed out all four rotors and replaced with the acdelco drilled slotted dura stop rotors and brake pads, it was gone, but it squeaked alot! so i got the Hawk HPS pads, steel brake lines, and it stop on a dime with change! is it both sides?
maybe you need new calipers? check out Ebay pick up the zo6 caliperss they work great, but i think there the same, just red.
good luck,
johnevette
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- #9 of 58
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Tires
by motorhead1
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Jun 11, 2006 (9:01 am)
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I just bought a 2002 Vette with 29k miles on it and it needs rear tires. I have looked at many kinds of tires with run flat and non run flat brands. I really do not like Goodyear brand but if I just replace the rear I think I need to keep the same brand on the back as the front. What about putting non run flats on, has anyone out there had much trouble by going that way. There seems to be more brands to choose from in non run flat than run flat.
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- #10 of 58
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Re: Tires [motorhead1]
by starrow68
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Jun 11, 2006 (8:49 pm)
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Replying to: motorhead1 (Jun 11, 2006 9:01 am)
I have a set of Michelin run-flats that I run when not on track and a set of Z06 wheels with Kumho MX Hi-Performance non-run-flats that I use driving to and from events as well as on track. I like the Kumho's enough that I run with them between events if I have less than about 3 weeks to the next one. That resulted in my running the Kumho's from late December until a week after Memorial Day since I did so many on track events. I have had nails in the Kumho's on 3 occasions as well and all three were very slow leaks, I check the pressure a lot since the Z06 wheels do not have pressure sensors and caught it quickly in all cases, I've never been stranded, yet. Kind of depends on where you drive, if you get into less traveled parking lots, etc., I'd stick to run-flats but if you can keep it on a main route to a freeway and then not get off the beaten path, the non-rf's seem to be pretty good.
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