C7 ZR1 Discussion General ZR1 Corvette Discussion, Technical Info, Performance Upgrades, Suspension Setup for Street or Track

Wheel weight

 
Old 05-31-2018, 10:56 AM
  #21  
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Originally Posted by John Micheal Henry View Post
^^^ Does that rear tire size 245/30/20.. ??
You saw that too I guess. Must be shopped on.
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Old 05-31-2018, 02:23 PM
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Old 05-31-2018, 02:50 PM
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Does anyone else think for $120,000, GM could have partnered with one of these or other great wheel manufacturers and included lightweight forged wheels. Maybe itís just me, I donít see anyone else talking about it.
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Old 01-11-2019, 10:27 AM
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My chrome ZR1 factory rear wheels 34.5 lbs that's bathroom scale weighing me and then holding wheel.
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Old 01-12-2019, 12:03 AM
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Originally Posted by Toombs View Post
Does anyone else think for $120,000, GM could have partnered with one of these or other great wheel manufacturers and included lightweight forged wheels. Maybe itís just me, I donít see anyone else talking about it.
I mean... the GT350R got $12k Carbon Revolution wheels for half the price LOL so yea Iím with ya!
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Old 01-12-2019, 09:48 AM
  #26  
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Originally Posted by Toombs View Post
Does anyone else think for $120,000, GM could have partnered with one of these or other great wheel manufacturers and included lightweight forged wheels. Maybe itís just me, I donít see anyone else talking about it.
Sure, then they could add 20K to the sticker................................. .........
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Old 01-12-2019, 10:55 AM
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Originally Posted by Toombs View Post
Does anyone else think for $120,000, GM could have partnered with one of these or other great wheel manufacturers and included lightweight forged wheels. Maybe it’s just me, I don’t see anyone else talking about it.


Replace your wheels with 1 piece carbon fiber wheels from Carbon Revolution and you can get more performance in
acceleration/stopping/track times/quietness/less vibrations. This company makes the OEM carbon fiber wheels for Porsche 993
and Ford GT and Ford Shelby GT350.
lb for lb, these Carbon Revolution have more weight in the center of the wheel so there's less gyroscope
affect than another brand's wheels that weigh the same.
http://www.carbonrev.com/news/does-w...rmance

Last edited by ptran00; 01-12-2019 at 04:07 PM.
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Old 01-12-2019, 10:57 AM
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Originally Posted by DebRedZR1 View Post
Sure, then they could add 20K to the sticker................................. .........
No, Carbon Revolution sells $12k/set but it could be less if GM cuts a deal.
https://www.automobilemag.com/news/spinning-carbon/

Last edited by ptran00; 01-12-2019 at 11:15 AM.
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Old 01-12-2019, 12:57 PM
  #29  
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Originally Posted by ptran00 View Post
No, Carbon Revolution sells $12k/set but it could be less if GM cuts a deal.
https://www.automobilemag.com/news/spinning-carbon/
Indeedy!!
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Old 01-12-2019, 04:10 PM
  #30  
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Also, Carbon Revolution price of $12k/set is for the exposed carbon fiber weave. The Ford GT has exposed carbon fiber wheels whereas the the Ford Shelby 350GT is black paint over carbon fiber to save $. So between GM cutting a better deal and on a painted carbon fiber wheel, the price would be even less.
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Old 01-12-2019, 04:56 PM
  #31  
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Yes It would have been nice. I personally like the Zo6 wheels better than the Zr1. But they are growing on me some.
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Old 01-12-2019, 05:22 PM
  #32  
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Originally Posted by ptran00 View Post
Replace your wheels with 1 piece carbon fiber wheels from Carbon Revolution and you can get more performance in
acceleration/stopping/track times/quietness/less vibrations. This company makes the OEM carbon fiber wheels for Porsche 993
and Ford GT and Ford Shelby GT350.
lb for lb, these Carbon Revolution have more weight in the center of the wheel so there's less gyroscope
affect than another brand's wheels that weigh the same.
https://www.youtube.com/watch?v=4pvGadQiB44
http://www.carbonrev.com/news/does-w...rmance
lol, this is paid marketing. I could watch that guy driving and tell you he's not driving hard enough, or even close to, to notice the difference in weight. Even if you saved 10lbs per wheel, that's like 80lbs of "dead" weight by most calculations. There are much better bangs for your buck. If it made the car 0.2 sec faster around a track with a pro driver I'd be absolutely shocked.

Also, you'd notice more vibrations and harshness because it's lighter. Mass damper type thing.

With that said, GM should have definitely had a forged wheel standard on the C7- certainly the ZR1.
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Old 01-13-2019, 10:04 AM
  #33  
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Default shaved 1.2-2 seconds at the track

http://www.carbonrev.com/news/carbon...r-at-the-track

https://youtu.be/1kJmbD_A5uE

Reduces vibration and road noise
http://www.carbonrev.com/faq

cf wheels are the only performance upgrade i would do to my 2017 corvette so as not to void gm warranty or introduce unreliability issues with engine mods

Plus, i can take the cf wheels with me to another car or sell them should i decide to sell my 2017 corvette

Last edited by ptran00; 01-13-2019 at 10:50 AM.
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Old 01-13-2019, 11:25 AM
  #34  
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Originally Posted by ptran00 View Post
http://www.carbonrev.com/news/carbon...r-at-the-track

https://youtu.be/1kJmbD_A5uE

Reduces vibration and road noise
https://youtu.be/k-UPmd-aIh0
http://www.carbonrev.com/faq

cf wheels are the only performance upgrade i would do to my 2017 corvette so as not to void gm warranty or introduce unreliability issues with engine mods

Plus, i can take the cf wheels with me to another car or sell them should i decide to sell my 2017 corvette
HAHAHAHAHAHA! Two seconds per lap? Because of carbon wheels? If you believe that I have some oceanfront property in Wyoming I need to sell you.
2 seconds is insane. A 200lb passenger wonít cause a second difference. These things are at most equivalent to an 80lb weight drop. 2 seconds is about the difference between a z06 and a grand sport at VIR (which definitely likes power). If you really think carbon wheels are worth about 200hp on the track go for it, but youíre going to be very disappointed after the lap times disprove the placebo effect
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Old 01-13-2019, 11:58 AM
  #35  
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Originally Posted by village idiot View Post

HAHAHAHAHAHA! Two seconds per lap? Because of carbon wheels? If you believe that I have some oceanfront property in Wyoming I need to sell you.
2 seconds is insane. A 200lb passenger won’t cause a second difference. These things are at most equivalent to an 80lb weight drop. 2 seconds is about the difference between a z06 and a grand sport at VIR (which definitely likes power). If you really think carbon wheels are worth about 200hp on the track go for it, but you’re going to be very disappointed after the lap times disprove the placebo effect


















Did you watch the video links and read the links that I posted? 1.2 to 1.5 seconds if you just slap the CF wheels on. 2 seconds if you recalibrate the suspension for the CF wheels. I believe in the videos and reviews that I've seen that I've posted by well-known car magazine reviewers.
https://www.youtube.com/watch?v=1kJmbD_A5uE&feature=youtu.be

Because you doubt the professional automotive reviewers, I assume you also doubt facts such as global warming, low 3.8% unemployment rate, etc.

In 9/2018, Ferrari has just contracted with Carbon Revolution to make cf wheels, which allowed Carbon Revolution to hire 500 people to help increase production from 10,000 to 150,000 wheels (almost 40,000 cars). This economies of scale will have newer manufacturing processes and raw materials purchasing power to drive the cost down further. I would buy them when the price is down to $4k/set which is in line with other GM Corvette upgrade packages prices.
https://www2.motorauthority.com/news...heels-annually

Last edited by ptran00; 01-13-2019 at 12:22 PM.
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Old 01-13-2019, 01:56 PM
  #36  
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lol it’s paid marketing. If an extra $7k on track wheels made you 2 seconds faster, everyone would have them and they’d be operating at an economy of scale. 2 seconds is me vs a top pro driver. 2 seconds is 200hp. 2 seconds a good street tires to slicks. It’s not the equivalent of 80lbs out of the car.
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Old 01-14-2019, 01:14 AM
  #37  
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Originally Posted by village idiot View Post
lol it’s paid marketing. If an extra $7k on track wheels made you 2 seconds faster, everyone would have them and they’d be operating at an economy of scale. 2 seconds is me vs a top pro driver. 2 seconds is 200hp. 2 seconds a good street tires to slicks. It’s not the equivalent of 80lbs out of the car.
For more performance, I'd rather do a CF wheel mod (someday) than an engine mod. Engine mods introduce overheating, unreliability, etc.
Keeping my 2017 Corvette Stingray naturally aspirated means easier to maintain, better reliability, and better throttle response.
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Old 01-14-2019, 01:37 AM
  #38  
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In my 2017 Corvette Stingray, on public roads, the engine produces way more power than my 285 wide rear tires can grip the road which causes the tires to break traction easily when I accelerate fast. Therefore, before doing any more power mod, I'd rather get wider 295 wide tires to help get more traction. Even my friend's Grand Sport with 335 wide rear tires break traction easily during hard acceleration.
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Old 01-14-2019, 01:38 AM
  #39  
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Originally Posted by village idiot View Post
lol it’s paid marketing. If an extra $7k on track wheels made you 2 seconds faster, everyone would have them and they’d be operating at an economy of scale. 2 seconds is me vs a top pro driver. 2 seconds is 200hp. 2 seconds a good street tires to slicks. It’s not the equivalent of 80lbs out of the car.
In my 2017 Corvette Stingray with stickshift, on public roads, the engine produces way more torque power than my 285 wide rear tires can grip the road which causes the tires to break traction easily when I accelerate fast. Therefore, before doing any more power mod, I'd rather get wider 295 wide tires to help get more traction. Even my friend's Grand Sport (with stickshift) with 335 wide rear tires break traction easily during hard acceleration (he says he hydroplanes going up freeway ramps).

Last edited by ptran00; 01-14-2019 at 01:40 AM.
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Old 01-14-2019, 04:54 PM
  #40  
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Originally Posted by ptran00 View Post
For more performance, I'd rather do a CF wheel mod (someday) than an engine mod. Engine mods introduce overheating, unreliability, etc.
Keeping my 2017 Corvette Stingray naturally aspirated means easier to maintain, better reliability, and better throttle response.
Yeah, I'd take weight reduction over power too, but weight reduction is generally very expensive, limited in availability and otherwise has less effect on performance per dollar spent. I'd rather drop 200lbs than gain 20hp, but it costs a tens of thousands to drop 200lbs (unless you're talking about gutting the car) and under $1000 to gain 20hp. Heck, I'd take a 200lb loss over 50hp gain any day of the week.

Originally Posted by ptran00 View Post
In my 2017 Corvette Stingray with stickshift, on public roads, the engine produces way more torque power than my 285 wide rear tires can grip the road which causes the tires to break traction easily when I accelerate fast. Therefore, before doing any more power mod, I'd rather get wider 295 wide tires to help get more traction. Even my friend's Grand Sport (with stickshift) with 335 wide rear tires break traction easily during hard acceleration (he says he hydroplanes going up freeway ramps).
I don't think your friend knows what hydroplaning means. Either that or he should stop accelerating hard UP freeway ramps. No wheel is going to fix that.
Every car can always use more grip, but I don't really have any concerns overpowering the rear in my GS, even on stock PSS. On something like an NT01, you can pretty much floor it whenever and not worry about the rear breaking loose unless I'm trying to break the rear loose.

With that said, 295 on a stock wheel probably won't help noticeably. Just go to a stickier compound (Re71, NT01, etc) and/or get wider wheels so you can run a 315 rear.

No idea what this has to do with wheel weights though.

Last edited by village idiot; 01-14-2019 at 05:58 PM.
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