Tire change
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Joined: Feb 2014
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Tire change
I would consider changing out my run flats for non when I eventually need to replace the tires on my Z51. Keep in mind I am still waiting for mine to be delivered so it is not a definite. It's just in case I'm not crazy about the road noise. Suggestions please. Handling would be my main consideration. Thanks
Safety Car
Joined: Feb 2013
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Your options are not large and if handling is your ultimate goal, the OEM PSS tires will be your very best option. There will not be a better handling tire (that would work for primarily street use). I haven't even noticed that the tires are runflats... that is I haven't noticed any difference in comfort or noise compared to the non runflat PSS I've owned. I think they are great tires stock.
If you really don't want to runflats, then I would maybe Potenza S0-4 Pole Positiion or Pirelli PZero. Neither will have the grip and handling of the PSS but they will be very good and aren't runflats.
If you really don't want to runflats, then I would maybe Potenza S0-4 Pole Positiion or Pirelli PZero. Neither will have the grip and handling of the PSS but they will be very good and aren't runflats.
Drifting
Joined: Jun 2013
Posts: 1,764
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From: Cumming GA
On order: Torch Red Z51
The tires for your Z51 are for better words FAT. That's what is causing the road noise more so than the run-flats. Even more so on concrete highways. Plus the tread wear rating on the new ones is 300 which is substantially better than in the past. Something to consider.
I would consider changing out my run flats for non when I eventually need to replace the tires on my Z51. Keep in mind I am still waiting for mine to be delivered so it is not a definite. It's just in case I'm not crazy about the road noise. Suggestions please. Handling would be my main consideration. Thanks
Le Mans Master
Joined: Dec 2012
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From: New Jersey
I would consider changing out my run flats for non when I eventually need to replace the tires on my Z51. Keep in mind I am still waiting for mine to be delivered so it is not a definite. It's just in case I'm not crazy about the road noise. Suggestions please. Handling would be my main consideration. Thanks
Team Owner
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St. Jude Donor '11-'12-'13, '16-'17-'18
Le Mans Master
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From: New Jersey
Team Owner
Joined: Aug 2007
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From: I live my life by 2 rules. 1) Never share everything you know. 2)
St. Jude Donor '11-'12-'13, '16-'17-'18
http://www.powersheen.com/blog/2011/...of-flat-tires/
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From: Jacksonville Florida BWO Dayton, Cincinnati, Bloomsbury NJ, Cincinnati
2015 C7 of the Year Finalist
I can't justify this move on the tires. I am married. If my wife were to get a flat, I would know she wouldn't be stranded needing help to continue. I also have no desire to get stranded on my long trips and play with splooge tube to limp to a repair center.
Sorry, not for me. I'll do the runflats.
Elmer
Sorry, not for me. I'll do the runflats.
Elmer
Racer
Joined: Jul 2010
Posts: 440
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From: San Antonio Texas
I would consider changing out my run flats for non when I eventually need to replace the tires on my Z51. Keep in mind I am still waiting for mine to be delivered so it is not a definite. It's just in case I'm not crazy about the road noise. Suggestions please. Handling would be my main consideration. Thanks
Last edited by indy 28; Mar 22, 2014 at 12:40 PM.
Team Owner
Joined: Sep 1999
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From: Springfield MO
And this one....http://www.michelinman.com/tires-101...re-repair.page
and this....
II. DETAILED POLICY - Puncture Repair of Goodyear Speed-Rated Tires
The puncture must be confined to the tread area only.
(See "Repair Area", item III-B).
Restrictions on the number and size of repairs must be followed.
(See "Puncture Repair Limits" table, item III-C).
A detailed repair procedure must be followed.
(See "Repair Procedure", item III-E).
A Goodyear speed-rated new tire repaired in strict accordance with items II-A, B & C, will retain its speed rating.
III. REPAIR PROCEDURE FOR SPEED-RATED TIRES
GENERAL
The objective of the puncture repair is to seal the tire against loss of inflation pressure and to prevent damage to the carcass from moisture. In all puncture repairs approved by Goodyear, the hole must be filled with a plug, and a patch covering the hole must be applied according to repair material manufacturer instructions to the inside of the tire. Never repair tires which are worn below 2/32" tread depth.
NOTE: No tire is to be repaired without first being removed from the rim.
REPAIR AREA
Repairing is limited to the tread area only within the outside grooves. No repairs are allowed in the tread area beyond the outside grooves or sidewall.
PUNCTURE REPAIR LIMITS
TIRE SPEED...............MAX. NUMBER...........MAX REPAIR
(SPEED SYMBOL)................................. ....DIAMETER
130 mph and over ...........1......................1/4 in. (6mm)
(H, V, Z)
REPAIR PROCEDURE
CAREFULLY REMOVE THE TIRE COMPLETELY FROM THE RIM.
Locate the puncture on the inside of the tire and circle with crayon.
Remove puncturing object if it is still in the tire.
Carefully inspect tire on a good tire spreader, with ample light, which will show any cracks, breaks, punctures, damaged or broken beads.
Check liner for cuts, cracks, or holes which may cause the tubeless liner to lose air.
Check the injury with an inspection awl:
(a)Determine size and angle of injury.
(b)Check for ply or belt separation.
Reject any tire that has separation, loose cords, damaged bead(s), or any other non-repairable injury.
If the hole is simple and round, steps 9 through 17 of the puncture repair procedure will be successful.
NOTE: If the hole shows evidence of fabric splitting, such an injury cannot be properly repaired using this puncture repair procedure. Such an injury must be skived out and repaired as a section (reinforced) repair, which will maintain the serviceability of the tire, but will invalidate the tire's speed rating. If a section repair is necessary, the customer must be advised, before the repair is made, that the tire will lose its speed rating, and must not exceed operation at normal highway speeds.
Use a pre-buff cleaner and a scraper to remove contaminants from the liner in the area to be buffed around the injury.
Use a 7/32"carbide cutter for 1/4" repairs to clean out the puncture.
(a)Make sure that the drill follows the direction of the puncturing object.
(b)Always drill from inside to outside of tire.
Using chemical vulcanizing cement, lightly coat at least 1/2 of the tapered end of the repair plug. Install the plug in the prepared puncture according to the manufacturer's instructions. Trim the liner side of the plug slightly higher than the surface of the liner without stretching the plug.
Center the patch (or patch template) over the injury without removing the backing. Adhere to patch or template instructions, as to positioning as related to bead location. Mark around the outside edge of the patch, approximately 1/4" larger than the patch.
Buff the liner and plug at the puncture location. The buffed area should be slightly larger than the patch. The buffed surface should be finely grained (RMA 1 or 2 texture) and even for proper bonding. Use care to prevent burning the rubber with the buffing tool. Do not buff through the liner. Do not buff into the marking crayon.
Clean the buffing dust from the tire using only a vacuum or brush. Do not use gasoline or other petroleum solvents on the buffed area.
Coat the buffed liner surface and the patch with one evenly applied coat of chemical vulcanizing cement in accordance with the recommendations of the repair materials manufacturer. Allow the cement to dry thoroughly. Do not touch the cemented areas.
Install the patch with the beads of the tire in the relaxed position. Position the patch over the puncture according to the markings on the patch. Stitch the entire patch starting from the center, keeping the strokes close together to avoid trapping air under the patch.
Cut off the protruding end of the plug about 1/8" above the tread surface.
FINAL INSPECTION - The repair must seal the inner liner and fill the injury. After remounting and inflating check the repair, both beads and valve with a soap solution to assure a complete seal.
Last edited by JoesC5; Mar 22, 2014 at 01:27 PM.
Pro
Joined: Nov 2012
Posts: 552
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From: Everett/Mesa WA/AZ
I switched from the Super Sport run flats to the Pilot Sport A/S 3's. Much less road noise, less unsprung weight, much less gravel damage. better ride qualities, no tire hop, better mileage, and great overall handling. If you're going to track it, then keep the Super Sports for race day. I do carry a compressor onboard.
Hope C7 tires get better mileage than the ones on my wife's Lexus. They are not runflats. Car came with a sticker in the window warning not to expect more than 15K miles. Super soft and wide. It has the same front tire chatter on slow hard turns some have complained about with the C7.
Racer
Joined: Jul 2010
Posts: 440
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From: San Antonio Texas
So did you keep your runflats? I wish GM would offer a non runflat option.
Hope C7 tires get better mileage than the ones on my wife's Lexus. They are not runflats. Car came with a sticker in the window warning not to expect more than 15K miles. Super soft and wide. It has the same front tire chatter on slow hard turns some have complained about with the C7.
Hope C7 tires get better mileage than the ones on my wife's Lexus. They are not runflats. Car came with a sticker in the window warning not to expect more than 15K miles. Super soft and wide. It has the same front tire chatter on slow hard turns some have complained about with the C7.
Burning Brakes
Joined: Sep 2011
Posts: 960
Likes: 40
Non run-flat tires are available in the Pilot Super Sport and in the Pilot A/S 3. It's the Pilot Super Sport ZP that are the run-flats.
If someone wants to get autocross tires on the car, here is a list:
245/40-18
285/35-19
RE-11 and Ecsta XS
265/35-18, calls for 9.5" wide wheel
305/30-19, calls for 11" wide wheel
R-S3, AD08 R, and RE-11
245/40-19, tall tire at 26.7" diameter
285/35-20, tall tire at 27.9" diameter
R-S3
275/35-19, calls for 9.5" wide wheel
305/30-20, calls for 11" wide wheel, this Sport Cup 2 tire is actually listed for a Porsche
Pilot Sport Cup 2
.
If someone wants to get autocross tires on the car, here is a list:
245/40-18
285/35-19
RE-11 and Ecsta XS
265/35-18, calls for 9.5" wide wheel
305/30-19, calls for 11" wide wheel
R-S3, AD08 R, and RE-11
245/40-19, tall tire at 26.7" diameter
285/35-20, tall tire at 27.9" diameter
R-S3
275/35-19, calls for 9.5" wide wheel
305/30-20, calls for 11" wide wheel, this Sport Cup 2 tire is actually listed for a Porsche
Pilot Sport Cup 2
.
Last edited by B Stead; Mar 22, 2014 at 11:26 PM.
Le Mans Master
Joined: Dec 2012
Posts: 6,442
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From: New Jersey
Ah a minor detail like a flat that cannot be fixed- which is my point. These can happen, even if they are an exception, and whatever you do at that point is a real hassle.
Team Owner
Joined: Jul 2006
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From: Calgary, AB. There's a reason why white was the only color offered on every year Corvette. Proud Canadian German Jamaican!
St. Jude Donor '09, '12-'13-'14-'15-'16-'17
how do the MPSS handle in the rain? I have Continental DWS on right now and am considering putting the MPSS back on in a couple of months but I worry that their rain performance would be less than stellar.
Racer
Joined: Mar 2014
Posts: 321
Likes: 84
From: Marco Island FL
The Michelin Pilot Super Sport tires were designed for excellent handlying in the rain!
First hand experience - Awesome!
They don't call them "Ultra Performance Tires" for nothing.
Burning Brakes
Joined: Feb 2014
Posts: 920
Likes: 81
From: Frankfort Kentucky
We switched to the Michelin Pilot Sport A/S 3's and so far we love them. We made the switch with our mini some time ago and have not regretted our decision. Echoing the earlier posts, no tire hop, smoother quieter ride, better wet and cold weather handling, less road noise, less gravel dings than with sticky tires, and better ride comfort. We also carry a high end 12V compressor and plug kit with us. There is the extremely remote possibility of a catastrophic tire failure and if that happens there is Onstar. This is a personal decision based upon my experiences with non run flats v. run flats.
Instructor
Joined: Dec 2013
Posts: 215
Likes: 2
From: Central Oregon
I switched from the Super Sport run flats to the Pilot Sport A/S 3's. Much less road noise, less unsprung weight, much less gravel damage. better ride qualities, no tire hop, better mileage, and great overall handling. If you're going to track it, then keep the Super Sports for race day. I do carry a compressor onboard.
