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Old 01-14-2011, 10:43 AM   #1
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Which wheel is lighter?

Can you tell me the weights of these wheels? I like the 5 spoke better; mainly because it looks easier to clean, and it looks lighter than the 10 spoke. I'm sure there is a list of wheel weights somewhere on this forum.

The wheels are both from an 04 S. I think I read that the wheels got lighter in 03. I'm coming from a Miata where wheel weight makes a bigger difference.

Sorry for the attachments; I haven't figured out how to put up pics yet.
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Old 01-14-2011, 10:51 AM   #2
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The five spokes are the lightest at around 21-22 Lbs.
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Old 01-14-2011, 10:57 AM   #3
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have you try to put it a scale? Just saying..
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Old 01-14-2011, 11:03 AM   #4
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Both wheels are very light but you're talking apples and oranges because they're not the same size (17"s vs 18"s) and you have to add tire weight to the equation.
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Old 01-14-2011, 11:04 AM   #5
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Aren't the 5 spokes 18" and the 10 spoke 17"? 17" should be lighter....?
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Old 01-14-2011, 11:04 AM   #6
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I am assuming they are both 17s. Wheel weight is pretty close between these two. I have several sets of the 10 spoke Boxster S IIs and I think the fronts are 19lb, rears 21.5lb Original Porsche wheels are nearly always lighter than replicas.
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Old 01-14-2011, 12:03 PM   #7
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They're both from Carmax listings. They say they're both 17" but they say, "Actual features of this car may differ." So I guess I should call them.
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Old 01-14-2011, 12:11 PM   #8
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The 10 spoke is a 17". I'm not sure about the 5 spoke yet.

19-21 lbs? I guess the days of 11 lb Miata wheels is over. I know, apples vs oranges.
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Old 01-14-2011, 12:24 PM   #9
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Quote:
Originally Posted by baxster
The 10 spoke is a 17". I'm not sure about the 5 spoke yet.

19-21 lbs? I guess the days of 11 lb Miata wheels is over. I know, apples vs oranges.

5-spoke is only available in 18" & as far as I know is the lightest 18" boxster wheel
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Old 01-14-2011, 12:50 PM   #10
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The OEM five spoke is only available in 18", and is supposed to be the lightest 18".....

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Old 01-14-2011, 01:26 PM   #11
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I would have to see it to believe it, that any oem cast wheel weights in the 19-22 lbs. range. I understand that the Carrera "lights" are pretty svelte. However, those are specs more akin to the lightest one piece forged aftermarket designs.
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Old 01-14-2011, 01:37 PM   #12
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I found this. Maybe there are some wheels that meet those specs after all. I know that when you start to get into some of the 18 and 19 inch oem wheels (particularly the 2 piece deigns), weights increase significantly.



Porsche 911 Fuchs Forged 16x6 17.0
Porsche 911 Fuchs Forged 16x7 18.0
Porsche 911 Fuchs Forged 16x8 19.0
Porsche 911 Fuchs Forged 16x9 20.0
Porsche 914 6-cylinder 5-bolt (rare) Forged Mg 15x5.5 7.0
Porsche 928CS Forged 16x8 19.0
Porsche 944S2 Cast 16x7 18.7
Porsche 944S2 Cast 16x8 22.0
Porsche 944S2 Spare Tire & Wheel (includes tire
weight) Stamped Steel 29.3
Porsche 944 Turbo/951 "Flat Dish" Forged 16x7 18.5
Porsche 944 Turbo/951 "Flat Dish" Forged 16x8 20.0
Porsche 944 Turbo/951 Fuchs Forged 16x7 15.0
Porsche 944 Turbo/951 Fuchs Forged 16x8 16.0
Porsche 944 Turbo/951 "Phone Dial" Cast 16x7 18.5
Porsche 944 Turbo/951 "Phone Dial" Cast 16x8 20.0
Porsche 944 Turbo/951 "Phone Dial" - Optional Cast Mg 16x8 16.1
Porsche 944 Turbo/951 "Phone Dial" - Optional Cast Mg 16x9 16.5
Porsche 944 Turbo S/951S Design 90 "Clubsport" Forged 16x7 18.5
Porsche 944 Turbo S/951S Design 90 "Clubsport" Forged 16x9 20.0
Porsche 968 Cast 17x7.5 20.0
Porsche 968 Cast 17x9 23.0
Porsche 993 Cast 17x7.5 18.0
Porsche 993 Cast 17x9 19.5
Porsche 996 Cast 17x7 19.1
Porsche 996 Cast 17x9 22.3
Porsche 996 Cast 18x8 20.0
Porsche 996 Cast 18x10 23.4
Porsche Boxter Cast 17x7 20.3
Porsche Boxter Cast 17x8.5 22.7
Porsche Club Sports Cast 16x7 19.0
Porsche Club Sports Cast 16x9 21.5
Porsche Cup Cast 18x8 26.2
Porsche Cup Cast 18x10 29.3
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Last edited by Johnny Danger; 01-14-2011 at 01:41 PM.
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Old 01-14-2011, 02:10 PM   #13
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I own four of the 18" OEM five spokes in offsets to fit a Boxster; they are that light....fronts 20.5 Lbs, rears 22.7 Lbs. according to the documentation.
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Old 01-14-2011, 03:30 PM   #14
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Quote:
Originally Posted by Johnny Danger
I would have to see it to believe it, that any oem cast wheel weights in the 19-22 lbs. range. I understand that the Carrera "lights" are pretty svelte. However, those are specs more akin to the lightest one piece forged aftermarket designs.
There's wide margin on quality casting and forging between different manufacturers. Forging may not necessary be lighter than quality casting, there are a few lightweight cast wheels out there.

That's also why they cost $600 each discounted.

OZ Superlegerra - cast - 18x8" - 18lbs!!!

http://www.europeancarweb.com/tech/0212ec_yokohama_oz_superleggera_wheels/index.html

http://www.measurespeed.com/oz-rims-wheel-weight.php

Last edited by ekam; 01-14-2011 at 03:35 PM.
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Old 01-14-2011, 05:02 PM   #15
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Quote:
Originally Posted by ekam
There's wide margin on quality casting and forging between different manufacturers. Forging may not necessary be lighter than quality casting, there are a few lightweight cast wheels out there.

That's also why they cost $600 each discounted.

OZ Superlegerra - cast - 18x8" - 18lbs!!!

http://www.europeancarweb.com/tech/0212ec_yokohama_oz_superleggera_wheels/index.html

http://www.measurespeed.com/oz-rims-wheel-weight.php
A lot of manufactures like Oz have been successful at making some high quality, light weight wheels by using a "flowing forming" casting technique .

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