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Author Topic: S3 Alloy Hubs onto a GTI?  (Read 37741 times)

Offline the bruce

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Re: S3 Alloy Hubs onto a GTI?
« Reply #30 on: April 06, 2011, 12:01:53 pm »
Yes, that's right.
And it's the reason why I will swap for the TT arms together with S3 hubs.
Another reason is I got them here ready to fit. The arms are also cheap
and didn't see cheap used TT hubs.
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Offline fuscobal

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Re: S3 Alloy Hubs onto a GTI?
« Reply #31 on: April 06, 2011, 09:22:36 pm »
Bruce, please weigh the GTI and S3 hubs if you can. I'm quite curious on the differences !
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Offline the bruce

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Re: S3 Alloy Hubs onto a GTI?
« Reply #32 on: April 06, 2011, 10:34:25 pm »
I read of the difference a long time ago and still don't know the weight exactly.
But the decrease in weight was more obvious than with the arms.
And remember the hubs are widely outside and count full in unsprung mass.
The arms count only half.


ps:
of course I will weight them  :wink:
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Offline fuscobal

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Re: S3 Alloy Hubs onto a GTI?
« Reply #33 on: April 07, 2011, 08:49:33 pm »
Cool. Off-topic : please also keep me updated with the S3 front bar behind the bumper when you install it. I'd want to see someone install it before I make the step  :smiley:
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Offline the bruce

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Re: S3 Alloy Hubs onto a GTI?
« Reply #34 on: April 13, 2011, 09:37:49 pm »
S3 hub incl. sensor:  ~ 3 kg  (maybe 2.9 or 3.1 kg)
Golf hub incl. sensor and bearing: ~ 8.2 kg
I guess wheel bearing will be around 2 kg, so iron hub should be ~ 6 kg,
but we'll see.


S3 arm -  2.9 kg
A3/Golf arm - 4.0 kg (welded)
A3/Golf arm - 4,7 kg (cast iron)


I'm gonna check the weight of my old cast iron hubs when the S3 hubs will
have been fitted.


« Last Edit: April 13, 2011, 11:06:28 pm by the bruce »
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Offline the bruce

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Re: S3 Alloy Hubs onto a GTI?
« Reply #35 on: April 14, 2011, 03:44:56 pm »
Hope this is more exactly:  :smiley:


S3 hub incl. sensor:  3.4 kg (alloy)
Golf hub incl. sensor 5.1 kg (cast iron)

wheel bearing: 3.15 kg  (both versions, S3/TT is just more beautifully machined)


S3 arm -  2.9 kg  (forged alloy)
A3/Golf arm - 4.0 kg (welded steel)
A3/Golf arm - 4.7 kg (cast iron)

 :wink:


Keep in mind the arm counts only half on unsprung mass, the hub counts 1 : 1.
« Last Edit: April 15, 2011, 12:14:54 am by the bruce »
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Offline danishmkvgti

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Re: S3 Alloy Hubs onto a GTI?
« Reply #36 on: April 14, 2011, 04:13:50 pm »
Quote from: the bruce on April 14, 2011, 03:44:56 pm
Hope this is more exactly:  :smiley:


S3 hub incl. sensor:  3.4 kg (cast iron)
Golf hub incl. sensor 5.1 kg (alloy)
 I think you have inverted the info   :happy2:

wheel bearing: 3.15 kg  (both versions, S3/TT is just more beautifully machined)


S3 arm -  2.9 kg  (forged alloy)
A3/Golf arm - 4.0 kg (welded)
A3/Golf arm - 4.7 kg (cast iron)

 :wink:


Keep in mind the arm counts only half on unsprung mass, the hub counts 1 : 1.
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Offline rex

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Re: S3 Alloy Hubs onto a GTI?
« Reply #37 on: April 14, 2011, 04:18:42 pm »
Quote from: the bruce on April 14, 2011, 03:44:56 pm
S3 arm -  2.9 kg  (forged alloy)

The S3 arm is 2.4 kg at least for me.
LE: Sorry, the TT arm is 2.4 kg
« Last Edit: April 14, 2011, 08:59:04 pm by rex »
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Offline animal

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Re: S3 Alloy Hubs onto a GTI?
« Reply #38 on: April 14, 2011, 07:14:44 pm »
Are S3 calipers the same as the R32 version?
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Offline danishmkvgti

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Re: S3 Alloy Hubs onto a GTI?
« Reply #39 on: April 14, 2011, 08:10:20 pm »
only difference is the colour  :happy2:
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Offline fuscobal

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Re: S3 Alloy Hubs onto a GTI?
« Reply #40 on: April 14, 2011, 08:11:27 pm »
Yes they are animal, just the caliper colour and retainer spring is different. My TT arm had exactly 2.9Kg. Bruce, do the bearings from GTI work on the S3 hubs ? If purchasing the hubs in the future I'd like to reuse the GTI bearings as I've alreadu changed them last year so they should be in decent condition !
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Offline animal

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Re: S3 Alloy Hubs onto a GTI?
« Reply #41 on: April 14, 2011, 09:02:37 pm »
Great, so S3 hubs should be direct swap for an R32 then...
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Offline the bruce

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Re: S3 Alloy Hubs onto a GTI?
« Reply #42 on: April 14, 2011, 11:27:03 pm »
Yes, the GTI bearings fit the S3 hubs.

Thanks Jake !! I was busy today.


Quote from: the bruce on April 14, 2011, 03:44:56 pm
Hope this is more exactly:  :smiley:


S3 hub incl. sensor:  3.4 kg (alloy)
Golf hub incl. sensor 5.1 kg (cast iron)

wheel bearing: 3.15 kg  (both versions, S3/TT is just more beautifully machined)


S3 arm -  2.9 kg  (forged alloy)
A3/Golf arm - 4.0 kg (welded)
A3/Golf arm - 4.7 kg (cast iron)

 :wink:


Keep in mind the arm counts only half on unsprung mass, the hub counts 1 : 1.








The weight of the arms depends on if they are with or without the bushing and console.

 :wink:
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Offline DaveB@Vagbremtechnic

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Re: S3 Alloy Hubs onto a GTI?
« Reply #43 on: April 15, 2011, 06:28:14 am »
You sure the s3 bearing Is the same as a gti bearing........  :confused:
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Offline david25

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Re: S3 Alloy Hubs onto a GTI?
« Reply #44 on: April 15, 2011, 09:00:21 am »
Slightly off topic, but I'd would like to know what difference I would feel JUST fitting the S3 alloy arms to my 2006 GTI? (I assume the 2006 car came with the heavier parts).

Thanks
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