Cadillac CTS-V 2004-2007 (Gen I) The Caddy with an Attitude...

Tires!

Old 07-18-2009, 09:54 PM
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Default Tires!

Hey Peeps,

I know this has been a common thread in the past and I apologize in advance. I was looking at older threads and couldn't find that old info.

My first question... I am considering getting 255/40-R18 tires, will this size work? I believe I saw someone had put 265s in his car, but were they all the way around?

Second question. I wanted to get Pirelly P-Zero Nero M+S (http://www.discounttire.com/dtcs/ref...ager.offset=10). What do you think or recommend?

I'm on a budget.

Thanks!

Adrian
Old 07-18-2009, 10:25 PM
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i'm running P-275/40's out back, on stock rims with no issues.
avons if you're on a budget. but always remember, you're only as
good as the tires on your car. and watch out for retread scams.
if it's to good to be true, it usually is.
Old 07-18-2009, 10:38 PM
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I am running 255's all the way around. No problems at all.
Old 07-18-2009, 10:53 PM
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Awesome guys. Thanks!

I just saw Tirerack.com having BFGs G-Force KDW's for $185. I'm gonna try Discount Tire Co. tomorrow and see if I can talk them into matching that price. I had great luck with those tires....

I appreciate the info.
Old 07-19-2009, 12:28 PM
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I am running BFG G-Force KD's (not KDW) in 265/40 on all 4 corners with no issues.
Old 07-19-2009, 09:59 PM
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f1 GSD3s 245 all the way around, handle and ride great, got them for 230 on tirerack, nice lloking tread pattern also. but they grip well
Old 07-19-2009, 10:03 PM
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ive got 245/45

but wish i went with a 255/40 or even 265...

seems like my 245/45 still has a much fatter sidwewall when i compare to other tires 255 or 265/40 sidewalls..

Tire shoppin drove me nuts!
g/luck
Old 07-20-2009, 08:45 AM
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I'm on my third set of Falken Azenis Rt-615's. I've been very happy with them and their performance. They grip as well as the OEM GY F1SC's, and have WAY better wet traction, and a lot less moise, and cost half what the OEMs do. The only place they can't compare is turn in because they are not run flats. They are a lot better than GSD3's all the way around except wet traction.

Intially I went with a 245/275 split. With the last set I went 275/35's on all 4 corners, on stock rims. They fit fine. The only issue is that they are about .75" shorter than stock, thus there is a bit of a wheel well gap, unless you are lowered. I have 15k on this arrangement, and have had ZERO rubbing issues. The Falkens run a bit narrow, for a 275. (There would be no chance of a fat tire like GSD3's fitting like this).

They seem to have come up in price latey, but are still a great deal IMHO. Best price I saw was 220 each at vulcan tire. I used to always buy from Edge Racing, but it looks like they went out of business

-Chris
Old 07-20-2009, 10:53 AM
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275/40s NT05s here, and they do rub slightly, high speed turns, if you hit a bump. I hope to put coilovers on it with alot more spring rate and fix that. I have a 1/8" spacer too if I remember right.
Old 07-20-2009, 11:28 AM
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Use this calculator:

http://www.1010tires.com/tiresizecalculator.asp

The key is to stay as close as possible to the OE rim and tire diameter.
On the stockers, I have seen 275s, would not recommend this size for the front. Check out the most recent Car and Driver, they did a tire comparo, and the expensive ones did not do as well as thought. Read on:

http://www.caranddriver.com/reviews/...mparison_tests
Old 07-20-2009, 04:02 PM
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Originally Posted by CTSV_510
I am running BFG G-Force KD's (not KDW) in 265/40 on all 4 corners with no issues.
I pulled 1.04 and 1.06 G's with the KD's yesterday at an autox. Not bad for stock setup and a 4000lb car.
Old 07-20-2009, 04:10 PM
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sweet! stock hight, & do you have fg2's or the 4's?
Old 07-20-2009, 04:19 PM
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I'm running Mich PS2 265 all around after I talked with Lindsey Caddy service manager - who did the same....

--Jerry
Attached Thumbnails Tires!-ctsv-car.jpg   Tires!-ctsv-rear.jpg   Tires!-ctsv-side.jpg  
Old 07-20-2009, 04:57 PM
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Originally Posted by The Don
sweet! stock hight, & do you have fg2's or the 4's?
265 40's, stock setup FE4's.
Old 07-20-2009, 06:02 PM
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Originally Posted by jerrycecco
I'm running Mich PS2 265 all around after I talked with Lindsey Caddy service manager - who did the same....

--Jerry
Pricey, but the V deserves the best. The PS2 runflats are now being made, not sure if they will have them in V sizes, as I think the first ones are being made for the C6s and C6Zs.
Old 07-20-2009, 07:05 PM
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Tirerack has Dunlop Sport Maxx 245/45/18's for 99 bucks. Plus like a 60 dollar mail-in rebate.
Old 07-20-2009, 09:54 PM
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Originally Posted by onebadcad
Use this calculator:

http://www.1010tires.com/tiresizecalculator.asp

The key is to stay as close as possible to the OE rim and tire diameter.
On the stockers, I have seen 275s, would not recommend this size for the front. Check out the most recent Car and Driver, they did a tire comparo, and the expensive ones did not do as well as thought. Read on:

http://www.caranddriver.com/reviews/...mparison_tests
tehehehe


"Although reasonably hushed according to the sound-level meter, the Azenis seemed very stiff, making them noisy over expansion joints and producing audible tire hum.

But this also allows for a precise, connected feel in the dry that makes these tires seem extremely sporty, which could provide an ego-boost benefit for slow drivers who have an elevated sense of their abilities."
Old 07-21-2009, 08:16 AM
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Originally Posted by thebigjimsho
tehehehe


"Although reasonably hushed according to the sound-level meter, the Azenis seemed very stiff, making them noisy over expansion joints and producing audible tire hum.

But this also allows for a precise, connected feel in the dry that makes these tires seem extremely sporty, which could provide an ego-boost benefit for slow drivers who have an elevated sense of their abilities."
:facepalm:

I wish they would provide the data behind that article. I hate the editorializing they do in those things.

I've never had any issues with the RT-615's in the wet, even at the wear bars. Now the GY F1SC's is a whole different story. Those things were beyond scary. I'm not sure how they even let those things out the door, they were so bad in the rain.

-Chris
Old 07-21-2009, 12:09 PM
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Originally Posted by thebigjimsho
tehehehe


"Although reasonably hushed according to the sound-level meter, the Azenis seemed very stiff, making them noisy over expansion joints and producing audible tire hum.

But this also allows for a precise, connected feel in the dry that makes these tires seem extremely sporty, which could provide an ego-boost benefit for slow drivers who have an elevated sense of their abilities."
The subjective comments are snoozeville, but the data posted makes you wonder if the PS2's pricing is justified. One thing I did learn, as with all of their products, stay away from the Chinese, as there is no assurance of minimum quality/performance levels. I was not impressed with how the Invos performed, as posters on corvetteforum.com led me to believe they were at par with the PS2s, which is obviously not the case.
Old 07-21-2009, 12:11 PM
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Originally Posted by Justin311
Tirerack has Dunlop Sport Maxx 245/45/18's for 99 bucks. Plus like a 60 dollar mail-in rebate.
These Dunlaps, Dunlop Direzza Sport Z1 Star Spec, took first place in the comparo.

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