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Old 09-09-2017, 05:41 PM   #1
MoreSpeed
 
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Holy Weight Savings... Batman

I knew my new wheels and tires seemed lighter than stock, but I didn't expect a full 10 pounds per wheel+tire.

Cheap bathroom scale but here is what I got.

Stock Rear - 60Lbs per
New Rear - 50Lbs

Stock Front - 57Lbs per
New Front - 47Lbs per

Stock to Forgeline GS1R's 19X10 and 19X11 with Potenza RE-71R's.

What are other people getting? Probably one of the reasons the ZL1 ILE went to 19's.

http://www.camaro6.com/forums/attach...1&d=1504996612
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Old 09-09-2017, 09:10 PM   #2
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I have Forgelines on my Gen 5 1LE, GA1R, 19x11/19x11.5, deep lug, no cap, and they came in at 20.2 lbs for the 11" wide and 22.8lbs for the 11.5". I am also runinng RE-71R's, 305/30 all around.

The OE Gen 5 1LE wheels were 29lbs each for the front and rears, 20x10/20x11.
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Old 09-09-2017, 09:14 PM   #3
The_Blur
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Stock wheels are really heavy across the board. I bet it's measurably faster just taking those pounds off.
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Old 09-09-2017, 09:36 PM   #4
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reduction in unsprung mass helps handling more than reducing sprung mass. Thats pretty significant
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Old 09-10-2017, 12:26 AM   #5
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I could stand to lose 25lbs of seated mass.
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Old 09-10-2017, 12:41 AM   #6
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Quote:
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I could stand to lose 25lbs of seated mass.
Lol...same!
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Old 09-10-2017, 08:24 AM   #7
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Not on a ZL1, but I went from stock 2SS wheels/tires to 1LE/ZL1 sizes with VS Forged VS03's and Pilot Sport 4s:

2SS OEM front: 61 lbs.
2SS OEM rear: 65lbs

VS03/MPS4s front: 48.5 lbs.
VS03/MPS4s rear: 53 lbs.

(weights above include sensors, lug nuts, center caps)

Total reduction of 49 lbs unsprung mass - very noticeable improvement in ride quality and handling.
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Old 09-11-2017, 09:33 AM   #8
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Quote:
Originally Posted by MoreSpeed View Post
I knew my new wheels and tires seemed lighter than stock, but I didn't expect a full 10 pounds per wheel+tire.

Cheap bathroom scale but here is what I got.

Stock Rear - 60Lbs per
New Rear - 50Lbs

Stock Front - 57Lbs per
New Front - 47Lbs per

Stock to Forgeline GS1R's 19X10 and 19X11 with Potenza RE-71R's.

What are other people getting? Probably one of the reasons the ZL1 ILE went to 19's.

http://www.camaro6.com/forums/attach...1&d=1504996612
305 30 19s all around?
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Old 09-11-2017, 10:04 AM   #9
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I love the Forgelines and wouldn't mind getting a set for the ZL1.
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Old 09-11-2017, 11:51 PM   #10
MoreSpeed
 
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Quote:
Originally Posted by EDFHOBBIES View Post
305 30 19s all around?
305's rear, 285's front. Stock widths but in 19's.
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Old 09-12-2017, 09:38 AM   #11
ICTsccaCamaro
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Quote:
Originally Posted by MoreSpeed View Post
305's rear, 285's front. Stock widths but in 19's.
How narrow is the stock ZL1 front wheel? My set of autocross 19's on the 5th gen 1LE 19x10 and 19x11 have re-71r's 305's front and rear.
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Old 09-12-2017, 11:51 AM   #12
LesBaer
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I remember weighing my Forgeline VX1's. My 20x11 rear wheels were 24lbs each.
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