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View Poll Results: Which would be better for performance?
Keep SS wheels, red bowtie centers, and nitto drag radials.
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34.38%
ZR1's, red bowtie centers, and nitto drag radials.
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65.63%
Voters: 32. You may not vote on this poll

Which is faster? 275 or 315

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Old 02-05-2008, 05:14 PM
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Default Which is faster? 275 or 315

I know 315s look sick and more rubber is more traction, but which would be better on a bolt on power car? Does the weight of 315s out weigh the traction benefits? I know my car is mostly stock now, but will eventually be a full bolt on car:

So which is better, please state your opinion on appearance and performance.

My two options:

Keep SS wheels, red bowtie centers, and nitto drag radials in the spring.

or

Buy ZR1s 315 out back with red bowtie centers, and nitto drag radials.
Old 02-05-2008, 05:57 PM
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i would do the 315 option. you will get the want for more power after bolt ons. just get that option out of the way. either way if you like the 10 spokes which do look good then just stick with those. will look nice either way imo. good luck!
Old 02-05-2008, 09:00 PM
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I have 17x11 ZR's with 315 nitto DR and love them. I'm about to purchase some "lightweight wheels" Just for the track and see what the difference is.
Old 02-05-2008, 09:33 PM
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Originally Posted by stevensLS1
i would do the 315 option. you will get the want for more power after bolt ons. just get that option out of the way. either way if you like the 10 spokes which do look good then just stick with those. will look nice either way imo. good luck!
best way to put it...
Old 02-06-2008, 09:07 AM
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315 ftw!
Old 02-06-2008, 09:13 AM
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315s and put M/T on'm
Old 02-06-2008, 05:34 PM
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275 will be faster, simply because the wheels and tires will weigh less. Less rotating mass will make you faster. However, because the 315s weigh more, they will slow the car down a bit, making it easier to get traction, which may translate into 315s actually being faster, depending on your driving skills.
Old 02-06-2008, 05:46 PM
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No noticeable difference in performance over stock 16's with 245's and 17 inch TTM's with 315's here besides traction..
Old 02-07-2008, 06:12 PM
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Originally Posted by 3.4camaro
275 will be faster, simply because the wheels and tires will weigh less. Less rotating mass will make you faster. However, because the 315s weigh more, they will slow the car down a bit, making it easier to get traction, which may translate into 315s actually being faster, depending on your driving skills.

Are you sure?

JK!!

It really does come down to your set-up. Quickness and speed are two different things. The taller tire will net more SPEED. 275/40/17's and 315/35/17's are VERY close in height (+/- 1/4"). The rim dia. will have an difference making impact on these 2 sizes.

If you're concerned at all about quickness; .. unless you can blow the tread on a 275/40/17, I wouldn't go to the heavier 315 tire, just as Mr. 3.4camaro mentioned

Last edited by junior28570; 02-07-2008 at 06:23 PM.
Old 02-07-2008, 09:14 PM
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I would say keep the SS wheels and get 275 MT ET street radials. You will get traction and will be faster plus I dont like the way the ZR1 wheels look. I am not saying that is the faster of the two options, just that Nitto's are junk tires and you will hook with MT's which = faster time.
Old 02-07-2008, 11:29 PM
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315s will help getting off the line(traction). But 275s will be lighter and have less wind resistance. So... how about 315s in back and 275s up front? ...no I didn't read everyone elses response.
Old 02-08-2008, 10:40 AM
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I'm sitting here trying to answer that question for myself. New wheels and possibly tires are on the way.

I don't know if I should go with a 17x11" with 315's for a bolt on car. On the other hand I don't want to deceide later to go with a cam and not have enough traction....
Old 02-09-2008, 01:07 AM
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ya i think i have decided to go with the 315s, they look sick the zr1s look great too. i dont think it will have that much of a negative effect. then i will be prepared for more power down the line. thanks for all the advice guys
Old 02-10-2008, 04:15 AM
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i got the ZR1's on today, they look amazing. i might try to put some pics up to ***** it out. a lot more traction even cold, a lot less fishtailing from a dead stop.
Old 02-14-2008, 04:35 PM
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Kinda forgot about this thread, I love the 315s! Although they are narrower than others, I still think they look damn good. They look a lot better and wider in person. The pics dont do it justice! It doesnt seem any slower from the weight, feels better getting some traction in even single digits. Not much but better than the 275s were.




Old 02-14-2008, 04:50 PM
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If you aren't buying race only tires, get what you prefer according to looks
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Old 02-15-2008, 10:53 PM
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do you got 315's on all tires ? or just the rear ?
Old 02-16-2008, 07:14 AM
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just the rear, can you put 315 on all four?
Old 02-16-2008, 02:19 PM
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Originally Posted by jrob56
just the rear, can you put 315 on all four?

Yes you can. Its common practice for autox and RR cars. You need the 36mm offset in the front or use spacers with 50mm offset. It would follow ruts more than 275's do though.
Old 02-16-2008, 02:54 PM
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does it hit the inner wheel well when turning?




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