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'03/04 Cobra with Nitto 315 DR's

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Old 10-21-2008, 05:01 PM   #1
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Question '03/04 Cobra with Nitto 315 DR's

...I was just reading on CobraBob's web site that people have had good results mounting 315/35 Nitto DR's on the stock 17x9 Cobra wheel...But I guess only the Nitto's...

My question: Anyone they this?? ...any Pics?? ....thanks, Tim
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Old 10-21-2008, 05:12 PM   #2
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Yes, the nitto 315 555r's fit... Its a fat fit, but still a fit... No other 315 will fit the stock 9 inch rim...
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Old 10-21-2008, 05:40 PM   #3
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Yes, the nitto 315 555r's fit... Its a fat fit, but still a fit... No other 315 will fit the stock 9 inch rim...
Any pics??
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Old 10-21-2008, 05:51 PM   #4
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On a 9inch wide cobra anniversary wheel

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Old 10-21-2008, 06:03 PM   #5
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Looks good! ...any better traction on the street/strip??
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Old 10-21-2008, 06:06 PM   #6
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Noticeably better than the 275's, yes... But nittos are far from being the best drag radial, no matter what size, lol...
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Old 10-21-2008, 06:56 PM   #7
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...well I did cut back-to-back 1.85 with the Nitto 275 DR's....would I expect any better with the 315's??
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Old 10-21-2008, 07:12 PM   #8
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I'd say its possible to cut a high 1.7... Like I said, it is a noticeable difference...
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Old 10-21-2008, 07:21 PM   #9
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the best 60' i have cut on the nittos in both my cars is 1.8 with 3.73 gears, but let me add a note the width of the tire isnt going to give your a huge amount more of traction in drag racing you should be more concerned with tire height as this will add a bigger foot print on the ground when you drop those air pressures. just watch the 10.5 tire classes run.
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Old 10-21-2008, 08:13 PM   #10
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I was able to dump 4k and cut 1.7s with my 315 nittos and a ported cobra

when I dumped I actually even bogged out too..
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Old 10-21-2008, 11:04 PM   #11
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Any type of spacer or low profile irs bolts required?
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Old 10-22-2008, 02:50 AM   #12
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Sweet. Only I don't know if I want 315's. Wouldn't it be worse driving in teh rain? 275 looks pretty sick, but in the future, if I decide to do the Saleen 18x10 chrome rims I'm putting 315's on the back.
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Old 10-22-2008, 06:44 AM   #13
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I think running a 315 on a 9" wheel is a bad idea. NONE of the Nitto 315/555's are rated for less than a 10.5" wheel.

I am sure the set-up works well for launching, but you are gonna get funky tire wear and be squirly on hard cornering. A 275 is a much better fit and even that is pushing a bit on a 9" wheel.

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Old 10-22-2008, 07:34 AM   #14
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My tire wear wasn't really to bad... I got about 10 months or so on them... which isn't really off from what people normally get on a daily driven car with 500 +/- rwhp... the cornering was fine, as was the wet traction.

The only time that it became an issue was when the tires had been run basically bald.. then the rain drives turned into adventures.
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Old 10-22-2008, 09:37 AM   #15
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Quote:
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Any type of spacer or low profile irs bolts required?
Nope, no modifications required...
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Old 10-22-2008, 09:40 AM   #16
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Quote:
Originally Posted by Jazzer The Cat View Post
I think running a 315 on a 9" wheel is a bad idea. NONE of the Nitto 315/555's are rated for less than a 10.5" wheel.

I am sure the set-up works well for launching, but you are gonna get funky tire wear and be squirly on hard cornering. A 275 is a much better fit and even that is pushing a bit on a 9" wheel.

Jazzer
Despite what you read or think, speaking from experience, I didn't notice anything unusual about how the wear on the tires...

275 is not even CLOSE to pushing it on a 9 inch wheel...
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Old 10-22-2008, 11:51 AM   #17
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I agree with the 275 not even close to the limits on the stock 9" wheel, 275's stock from Ford...I'm going to order me up some 315's, I was going to buy th 10.5" wheels until I read that information on CobraBob's site & with all the help on MF
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Old 10-22-2008, 02:03 PM   #18
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^^ There ya go haha, post up pics and tell us how you like them.
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Old 10-22-2008, 06:32 PM   #19
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but hey.. don't do what I did.. my first set I completly trashed by showing EVERYONE how much traction I got... wasn't very good for the tires, lol
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Old 10-22-2008, 06:48 PM   #20
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I'm well past that stage ^^^..trust me!
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Old 10-22-2008, 06:48 PM
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