Nitto NT01 or 555R 's - Pontiac GTO Forum
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post #1 of 12 (permalink) Old 08-19-2012, 04:54 PM Thread Starter
 
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Nitto NT01 or 555R 's

Okay, I'm wanting a new set of kicks since my 2nd - 3rd gear Automatic shift nearly made be go into the wall. I want to make use of the extra 17x 8" factory wheels. Anyone out there have experience with the NT01 or the 555R's and what did you think about them?
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post #2 of 12 (permalink) Old 08-19-2012, 06:21 PM
 
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I think the NT01 is a softer stickier tire but made for road course. The 555R is a drag radial. They are not going to be as sure footed through curves. The sidewall is more flexable than the nt01. I run the 555R's and they are GREAT! They are relatively cheap also. Im running 245 45 17's on the rear for the 1/4 and pulled a 1.74 60' without a hint of them giving up. Im sure the NT01's are great but probably not optimal for drag racing so it depends on what you want to do.

05 GTO A4- Svede otrcai, Fast 102, Livernois stg 2 ported heads, Texas Speed 224R cam, Pacesetter LT's, Edge 3000 stall, Kooks afterburners, Pedders 0 drp rear springs and shocks, MT et streets, 418rwhp/391rwtq, [email protected]

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post #3 of 12 (permalink) Old 08-19-2012, 06:26 PM Thread Starter
 
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Hey RJ, What did it end up in the 1/4 mile and approx how much RWHP or mods have you done? Thanks for the info on the 555r's . Who'd thought it would be so overwhelming to pick out tires?
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post #4 of 12 (permalink) Old 08-20-2012, 05:25 AM
 
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With a DA of about 2300' I ran a 12.3 @ 111 the last time i went. 390 rwhp is what the dynojet said. That is with the 224 cam and stall only.

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05 GTO A4- Svede otrcai, Fast 102, Livernois stg 2 ported heads, Texas Speed 224R cam, Pacesetter LT's, Edge 3000 stall, Kooks afterburners, Pedders 0 drp rear springs and shocks, MT et streets, 418rwhp/391rwtq, [email protected]
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post #5 of 12 (permalink) Old 08-20-2012, 12:44 PM
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I would look at the NT05 too. The NT05 is a better all around tire.

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post #6 of 12 (permalink) Old 08-20-2012, 04:03 PM Thread Starter
 
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Svede, the NT05 and the NT05R's were my first choice, but I want to retain use of the stock rims 17x8. They just didnt offer them in a size that would work.Unless I go with a 235/40-17. What do you think about that? below is a link to the sizes offered. Svede, tell me what you think. I'm hoping to get the tire before the weekend and hit the track again.
NT05
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post #7 of 12 (permalink) Old 08-20-2012, 07:38 PM
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The NT05Rs would wear off before you could go around the block . Even the street NT05s are only 200AA but at least that's a little better. I've seen people comment they get 15,000-20,000 miles out of NT05s as they are a soft grippy rubber.

I see they have 235 and 255 in 17s. 235 wouldn't be horrible as the guys with 18"s came with 235s stock unless you autocross or something. I carve the corners but push the limits of the tires more in a straight line.

I know I've been thinking of what I'd do next and I vacillate between max performance and getting decent wear. Unfortunately you can usually only pick one.

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post #8 of 12 (permalink) Old 08-21-2012, 09:01 PM
 
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I have nt05r's on my Chevelle. I have maybe 5k miles and 30 track passes all in the 12.2-12.3 range, crappy 1.80 60ft because Of the slammed circle track springs, but my car makes 376whp and the only way I could spin the tires on a roll would be to slam 1-2 shift and it would only spin a few feet.

They are light years better than my old m/t drag radial.

Now remember the R is the drag radial, the nt05 is the street radial.

Either way I don't think you'd be disappointed.
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post #9 of 12 (permalink) Old 08-22-2012, 07:56 AM
 
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How do you plan to drive the car? Thats how you pick your tire. 555R and NT01 are really made for different purposes.

Also, if your 2-3 shift is kicking out on the A4 then it sounds like you need to have your tune looked at and adjust the trans settings.

2003 Corvette Z06 - MGW shifter, Corsa X pipe, Corsa Xtreme exhaust, Texas Speed long tubes w/o cats, PowerStop rotors/pads, Conti DWS tires, C6Z51 F&R sways, C5R headlights, tuned

04 GTO - sold
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post #10 of 12 (permalink) Old 08-22-2012, 06:21 PM Thread Starter
 
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Jpalamar, I'm not convinced there is anything wrong with the tune or trans settings. The tires I have on the car now are junk. Nexen Wal-mart specials that came on the car. I'm gonna try the car with some good tires and see how it handles. I will mention what happened to the tuner just to be safe. I appreciate the input. The tires I'm looking for are just for track day.
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