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Old 12-24-2012, 10:22 PM   #29
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my Motegi Racing wheels are 18x8, so half inch widder than stock heritage wheels and wheigh 22 lbs. so just for the wheels i saved 43.6 lbs. and my Flowmaster 40 series weight is 10 lbs a piece. so total saving of 28 lbs from the factory saddle bags back there lol

both weights were from Amazon. They give product weight for both items.

anyone know what the stock intake wheighs and if aftermarket ones are any less?
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Old 12-24-2012, 11:48 PM   #30
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Quote:
Originally Posted by ChadG View Post
I've been looking into the TSW Nurburgrings and the Forgestar F14s to replace my steel heritage wheels, but if you're doing autocross I would imagine your best bet is to do with wheels smaller than 20".

Even Pedders went with 19's on their build:

http://www.camaro5.com/forums/showthread.php?t=90270

Anyone have solid numbers on how much the 18" Steel Heritage Wheels on the LS weigh? 18" TSW's and Forgestars are about 18.5 lbs . . . which is crazy light.
Heritage Wheels are a hair over 30Lbs, I purchased 18" Aluminum Rims from Pep Boys that weight just under 20Lbs.
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Old 12-25-2012, 02:33 PM   #31
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Quote:
Originally Posted by '11CamaroLS View Post
my Motegi Racing wheels are 18x8, so half inch widder than stock heritage wheels and wheigh 22 lbs. so just for the wheels i saved 43.6 lbs. and my Flowmaster 40 series weight is 10 lbs a piece. so total saving of 28 lbs from the factory saddle bags back there lol

both weights were from Amazon. They give product weight for both items.

anyone know what the stock intake wheighs and if aftermarket ones are any less?
Not sure, I was wondering this too. I would think the stock intake would be kinda heavy since it is big and bulky, but you never know.
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Old 12-25-2012, 10:10 PM   #32
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Heritage Wheels are a hair over 30Lbs, I purchased 18" Aluminum Rims from Pep Boys that weight just under 20Lbs.
Can you feel the difference after going to the lighter wheels?
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Old 12-25-2012, 10:19 PM   #33
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RS OEM Wheel Weight (per wheel)
Front - 30.3 lbs
Rear - 32 lbs


RS OEM Tire Weight (per tire)
Front - 32 lbs
Rear - 36 lbs
Are you sure that's right? How can the tires weigh more than the wheels?
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Old 12-26-2012, 05:34 AM   #34
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Can you feel the difference after going to the lighter wheels?

Yes, I can feel the differance after going from my stock 19's to my Nurburgrung 20's. This was a 5 lb. drop in each corner and it feels lighter on acceleration and handling is better. Even a bigger savings if going from a stock 20" or dropping to 18"Nurburgring's.



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Are you sure that's right? How can the tires weigh more than the wheels?
Yes, those are correct weights. The WIKI lists the wheel and tires weights for us.
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Old 12-26-2012, 07:23 AM   #35
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Yes, I can feel the differance after going from my stock 19's to my Nurburgrung 20's. This was a 5 lb. drop in each corner and it feels lighter on acceleration and handling is better. Even a bigger savings if going from a stock 20" or dropping to 18"Nurburgring's.





Yes, those are correct weights. The WIKI lists the wheel and tires weights for us.
I went from stock 20s to the Nurburgs and lost about 43lbs and holy crap did I notice a diff.


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Old 12-26-2012, 01:03 PM   #36
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Soo what is the weight of 4 rs wheels and tires inflated to 35psi???
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Old 12-26-2012, 02:17 PM   #37
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Soo what is the weight of 4 rs wheels and tires inflated to 35psi???

260.6 lbs. for the SS or RS wheels. All the same.

Air PSI won't make a differnace.
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Old 12-26-2012, 08:44 PM   #38
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Originally Posted by rtcat600man View Post
Yes, I can feel the differance after going from my stock 19's to my Nurburgrung 20's. This was a 5 lb. drop in each corner and it feels lighter on acceleration and handling is better. Even a bigger savings if going from a stock 20" or dropping to 18"Nurburgring's.





Yes, those are correct weights. The WIKI lists the wheel and tires weights for us.
Quote:
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I went from stock 20s to the Nurburgs and lost about 43lbs and holy crap did I notice a diff.


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That's what I wanted to hear! Really hoping to be able to pull of the upgrade soon, those heavy steelies are killing me.
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Old 12-26-2012, 09:47 PM   #39
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260.6 lbs. for the SS or RS wheels. All the same.

Air PSI won't make a differnace.
Technically, PSI would make a very small difference.
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Old 12-27-2012, 12:16 PM   #40
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Still trying to figure out the weight for the MRT V1s. Scrming didn't know and Apex Chase told me their shipping weight that
Is listed in their system but its more than MRT V2 which I know is not the case...

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Old 12-27-2012, 04:34 PM   #41
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Quote:
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Can you feel the difference after going to the lighter wheels?

That's hard to tell, even if it's 10 hp, 10 hp out of 300+ would be hard to feel the diff.
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Old 12-27-2012, 10:10 PM   #42
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That's hard to tell, even if it's 10 hp, 10 hp out of 300+ would be hard to feel the diff.
I was just thinking back of the envelope calculations where 1 pound of unsprung rotational mass = 10 pounds weight reduction. (If someone has a better number please chime in)

The 18" TSW and Forgestar F14's are about 18.5 pounds a piece, which is a 14.4 lb weight savings per wheel. So a total of 57.6 pounds of unsprung rotational mass (assuming you go with the same tires) would be worth ~570 lbs of weight loss? That seems unreal, but if that number is correct you'd definitely feel it I would think.
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