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07-18-2017, 01:22 PM
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#1 |
 
Drives: 2011 Camaro 2SS Join Date: Apr 2015
Location: Houston
Posts: 54
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Had a blow out... tire replacement doesnt match up?
2011 2SS Camaro
I blew out the back right tire and they replaced it with this 245/45R20 https://drive.google.com/open?id=1BM...3SuD93lPbksa1g This is the back left tire 245/45ZR20 https://drive.google.com/open?id=11w...Sns5Jj3U3NhP1w For some reason my camaro had 245/45ZR20's on all 4 tires (guessing the dealership went cheap?) Am I nitpicking here? it seems like a big difference, did they put it on wrong? maybe the tire doesnt fit?
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2011 Camaro 2SS
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07-18-2017, 02:14 PM
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#2 |
  
Drives: 2015 Chevy Camaro 2LS Join Date: May 2017
Location: MWC, OK
Posts: 815
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was that an OEM tire that GM installed? it was Z rated but new one isn't. quite cheap!
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07-18-2017, 02:17 PM
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#3 | |
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Drives: 2011 Camaro 2SS Join Date: Apr 2015
Location: Houston
Posts: 54
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Quote:
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2011 Camaro 2SS
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07-18-2017, 02:21 PM
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#4 |
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Drives: 2015 Chevy Camaro 2LS Join Date: May 2017
Location: MWC, OK
Posts: 815
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Z speed rated means it can handle higher speeds. R is common to all "R"adial tires. just how the tire is built.
Z rated tires can handle speeds over 149mph. standard tires from factory are S rated to 112 mph. |
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07-18-2017, 02:23 PM
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#5 |
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AKA "Beefcake"
Drives: 2023 ZL1 Sharkskin Join Date: Oct 2009
Location: Indy
Posts: 8,529
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essentially, traction, rubber compound is the difference.
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07-18-2017, 02:35 PM
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#6 |
         
Drives: 2017 Mosaic Bk ZL1 M6 Join Date: Jul 2009
Location: South of Raleigh, NC
Posts: 9,477
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Either way, your SS came with 275s on the rear. Speed ratings explained here.
https://www.tirerack.com/tires/tiret....jsp?techid=35
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07-18-2017, 03:24 PM
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#7 |
Drives: 2010 CGM 2SS/RS LS3 Swapped A6 Join Date: Sep 2016
Location: Spring Hill, FL
Posts: 4,575
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I was under the impression that they stopped using the 'Z' rating a while back?
EDIT; according to Tire Rack: "When Z-speed rated tires were first introduced, they were thought to reflect the highest tire speed rating that would ever be required, in excess of 240 km/h or 149 mph. While Z-speed rated tires are capable of speeds in excess of 149 mph, how far above 149 mph was not identified. That ultimately caused the automotive industry to add W- and Y-speed ratings to identify the tires that meet the needs of vehicles that have extremely high top-speed capabilities." "While a Z-speed rating still often appears in the tire size designation of these tires, such as 225/50ZR16 91W, the Z in the size signifies a maximum speed capability in excess of 149 mph, 240 km/h; the W in the service description indicates the tire's 168 mph, 270 km/h maximum speed."
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2010 CGM Camaro 2SS LS3 Swapped A6 - GPI LS3 SS1 .647/.638, (224/237, 112 +4, 7º overlap) on CamMotion 8620 core, BTR Platinum .660" Dual Spring kit w/titanium retainers, CHE bronze trunnion upgrade, stock heads milled @ .015, Melling HV 10296 oil pump, TSP 1-7/8" long tube headers (W/Catless Off-road Pipes), Corsa Xtreme 3" Catback, GPI Ported/Rod Mod Intake, Stage 2 Ported Throttle Body, Vararam OTR CAI, Mike Norris Gen 2 catch can + GM 1LE clean side separator, 160º thermostat - Megan Racing adjustable coilovers (lowered 1.75"), MRR M017 10/11" wheels-Tuned by Ryan @ GPI
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07-18-2017, 03:32 PM
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#8 |
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Drives: 2011 Camaro 2SS Join Date: Apr 2015
Location: Houston
Posts: 54
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I guess the issue here is... the used car dealership I bought this from put on 245's all around and I should be using 275/40s on the back.
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2011 Camaro 2SS
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07-18-2017, 04:28 PM
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#9 | |
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376 cubic inches of fun
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You should be going after them. |
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07-18-2017, 04:56 PM
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#10 | |
Drives: 2010 Camaro 2SS Join Date: Jun 2017
Location: Ottawa, ON
Posts: 79
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Quote:
Yup, I bought a 2SS off a used dealer, it needed tires for the provincial safety, they put 245's on all around, I laughed and said hell no. 275s, or I walk from the deal. Got a brand new set of staggered tires, Pirellis to boot 
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07-18-2017, 05:02 PM
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#11 |
Drives: 2012 45th Anniversary Edition Join Date: Aug 2012
Location: San Diego, CA
Posts: 1,618
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neither one of those tires look right... angle of picture? rims? maybe its just me...
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07-18-2017, 05:48 PM
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#12 | |
Drives: 2014 Red Hot LS3 Join Date: Oct 2014
Location: SF Bay Area, CA
Posts: 4,266
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Quote:
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07-18-2017, 05:50 PM
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#13 |
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376 cubic inches of fun
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Just so you know. The rear rims are wider than the fronts, and too wide for 245 tires.
You was robbed. |
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07-18-2017, 06:24 PM
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#14 | |
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corner barstool sitter
Drives: 08 Mustang GT, 19 WRX Join Date: Jul 2012
Location: Eastern Time Zone
Posts: 6,990
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Quote:
There's nothing technically wrong with a max-recommended fitment, and it does offer some advantages (cornering and steering response/precision) to go with the disadvantages. Chief among the disadvantages is that it does not have a "conventional" appearance and it doesn't provide as much scuff protection for the wheel (for many people, in that order of importance). Keep in mind that at 11" wide, the 5th gen 1LE rear wheels are also a max-recommended width for the tire size fitted (285/35-20's). For a reason . . . Norm
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'08 GT coupe 5M (the occasional track toy)
'19 WRX 6M (the family sedan . . . seriously)  Last edited by Norm Peterson; 07-19-2017 at 05:47 AM. Reason: bad speling |
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