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Huge Unsprung Weight Difference

8026 Views 27 Replies 10 Participants Last post by  weaponX
As we do not yet have a wheel and tire vendor, and in view of the huge importance for considering weight different when changing stock wheels for aftermarket, I wanted to post this one example. While the following example resulted in significantly less unsprung weight, there are wheels that look great, but weigh many pounds more than factory StingRay wheels.

"Lowered it as much as we could on the stock bolts. Installed the HRE P101's on factory Michelin Super Sports. Weighed the factory wheels and tires.

Fronts 51.5 lbs each.
Rears 60 lbs each.

Weighed the HRE's after we mounted the Michelins onto them.

Fronts 48.2 lbs each.
Rears 54 lbs each."

HRE's are super expensive, though superb quality. Here's how this one example looks:

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Yeah, sorta in a "don't do this" thread. That would be something I would surely read!
2 tips...don't try and put stinger or regular stripes on in the wind......$200 worth of stripe was garbage in 15 seconds.....

or paint plastic parts without primer and sanding.....paint bubbles right off in 30 min... LOL
You could even subtitle your thread: "Failed Mods (or good for a laugh) thread".
You could even subtitle your thread: "Failed Mods (or good for a laugh) thread".
what is more approp is "the village idiot screws up a good car"...probably the best was installing a new CAI on my '13 Camaro 2SS, and dropping a wrench across two terminals under the hood and wiping out an ECM to the tune of $1000 or so, to get it hauled in and replaced/

Moral: disconnect batt before doing anything...LOL
Yeah, sorta in a "don't do this" thread. That would be something I would surely read!
Agreed
When shopping for after market wheels, how do you know if they can handle the side loads the C7 can create?
3
When shopping for after market wheels, how do you know if they can handle the side loads the C7 can create?
Manufacturers and their vendors will tell you whether their wheels are for "street" use or street and track. Most of your forged wheels are going to be a better option but a lot of the big high dollar showy street wheels aren't meant for the track and there have been quite a few threads of aftermarket wheels breaking under road course duty. One of my sets of street wheels (though not my specific model) broke on a road course after being advertised for the track and there was a big issue about the company standing behind them. Your wheels like TSW and Forgeline have great reputations on the track and Forgeline is one of my favs. That's the most recent set of street wheels I bought and they're making me a custom spec'ed set for the C7 right now as well.

Their new RB1s!


These are a 3pc VX3C I've done quite a few of and even their 3pc wheels are usually lighter than factory wheels:


Here's a set of SE1s. They're one piece monoblock and very light - the same style as my new GA3Rs:
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Forgeline are great wheels, too bad the monoblocks with the clear smoke finish are $7040!
Forgeline are great wheels, too bad the monoblocks with the clear smoke finish are $7040!
a good dealer can save you more than you'd think off of that ;)
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