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Nitto NT 555G2 Tires

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Old 09-10-2017, 01:53 PM   #1
Barrier
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Default Nitto NT 555G2 Tires

Hi All, Does anyone have opinions on the Nitto NT555 G2 Tires?
I would like to hear opinions of these Tires for use on my 1993 Base suspension Convertible. I currently have the Nitto 555 which are 6 years old and in need of replacements due to age. The 555s worked fine for me.
Thanks in advance.
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Old 09-10-2017, 03:39 PM   #2
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I am now on the fence.

Mine were balanced twice, then road force balanced and still I have a vibration until they warm up. I don't have but maybe 1000/1500 miles on my set. I am going to shift the front to the back (I have the same size tire option for all 4 wheels) and see if the vibration moves, then switch one more side back to front and isolate which tire it is.

Then take it(them) back to the place I bought them from.
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Old 09-10-2017, 07:37 PM   #3
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6 years doesn't scare me for tire age.
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Old 09-10-2017, 07:44 PM   #4
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I have had them on my base 91 for nearly a year now and am very satisfied with them. I've used a wide variety of brands and can say that they would be hard to beat for the price. However, mine is not a DD. Don't drive in rain and the roads around here are not torn up. I would definitely buy them again
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Old 09-10-2017, 09:55 PM   #5
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Just to clarify. One of my tires has cracks in the outermost groove extending about 2". From that is an additional crack towards the sidewall about an inch. This is not road damage from road debris but are in the outermost layer.
I normally check my tires for any damage every so often, nails screws or cuts. While doing an oil change a couple of days ago I noticed it by chance since the tire tread was visible with the hood open. I do not know how long it was there, but certainly it developed within the last month.
A possible blowout is danger enough for me particularly with the Tires age. I only own this Vette for 1 year and had only 32k miles when I bought it. Driven about 3,000 miles in the last 12 years so it has sat a lot. Average about 1400 miles per year and although stored inside or covered outside. All here on Long Island. With no rust nor oxidation on aluminum parts. All Tires are date stamped 1612. I will try and take a photo Monday.
Any other opinions on the Nitto NT555G2 would be appreciated.
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Last edited by Barrier; 09-11-2017 at 02:41 PM.
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Old 09-11-2017, 03:24 AM   #6
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I have the Nitto NT555 G2 on my 1992 LT1 and have not found a fault with them yet. I had to replace the original tires which were on the car when I purchased it this spring with only 22,000 miles. I have pushed then pretty hard in cornering and have not had any issues but since this is not a DD I do not know how they handle rain or adverse road conditions. I would buy them again in a heartbeat. These will most likely age out before I wear them out so for less than $630 out the door they were a great deal.
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Old 09-11-2017, 02:10 PM   #7
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Quote:
Originally Posted by drcook View Post
I am now on the fence.

Mine were balanced twice, then road force balanced and still I have a vibration until they warm up. I don't have but maybe 1000/1500 miles on my set. I am going to shift the front to the back (I have the same size tire option for all 4 wheels) and see if the vibration moves, then switch one more side back to front and isolate which tire it is.

Then take it(them) back to the place I bought them from.
Running into this every day? Generally belts will flatten if you go about a week between driving, after about 5-10 miles the belts round back out. At least in my experiencing, performance tires tend to be worst with this because the rubber is softer, if I drive my vette every day or so, doesn't happen, but between weekends without driving I will notice some vibration until the belt rounds back out.

Last edited by bac22; 09-11-2017 at 02:11 PM.
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Old 09-11-2017, 03:20 PM   #8
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Default Tire Photos

20170911_103736.jpg
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Old 09-11-2017, 03:20 PM   #9
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Quote:
Originally Posted by Fiberbundle View Post
I have the Nitto NT555 G2 on my 1992 LT1 and have not found a fault with them yet. I had to replace the original tires which were on the car when I purchased it this spring with only 22,000 miles. I have pushed then pretty hard in cornering and have not had any issues but since this is not a DD I do not know how they handle rain or adverse road conditions. I would buy them again in a heartbeat. These will most likely age out before I wear them out so for less than $630 out the door they were a great deal.
Same for me on my '92.
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Old 09-11-2017, 03:31 PM   #10
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Default More Photos

20170911_103743.jpg (3.26 MB)
The rest of these tires have the same cracks.
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Old 09-12-2017, 06:42 AM   #11
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Yup, time for new tires.
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Old 09-12-2017, 12:53 PM   #12
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Looks pretty bad for just 6 years. I hope to get 10 years from the G2's, but not if the new compound cracks like that.
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Old 09-12-2017, 01:43 PM   #13
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I am not sure if the cracks are indicative of Nitto tires or other Brands for that matter. Due to the low miles on my car it was not driven much. Particularly in the last 5 1/2 years. Tire experts describe the need for cars to be driven. When they are driven the compounds that make up the tires get dispersed throughout the tire. When the car just sits they deteriorate much more rapidly. Most resources talk of the need to drive and move the car on a regular basis not only for the mechanical components but Tires as well.
My car probably sat for months on end. When I first located it it was not moved from June until September (2016) except when I test drove it and brought it to my friends shop to be checked on a lift. It may have sat unused for the prior 5 years as well.
I am not worried about Nitto or most other Brands cracking as long as the Tires get exercised.
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Last edited by Barrier; 09-12-2017 at 01:51 PM.
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Old 09-12-2017, 04:13 PM   #14
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My fronts were the last set of nt555s in 2015. In the back, I have the G2s in 315s. Since May. No issues with them.
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Old 09-12-2017, 08:31 PM   #15
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They were on the car when I bought it last year - I've 4,000 miles on them - no complaints - smooth - quiet - performs as they should - - - BUT I've not driven them in rain yet.
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Old 09-13-2017, 10:23 AM   #16
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Default Tires

Thanks for all the responses and comments.
I ordered the Tires NT555G2, should have them this week.
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