Rear ARB(Ibiza 6L / Polo 9N Platform)

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Kyle
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Rear ARB(Ibiza 6L / Polo 9N Platform)

Postby Kyle » Thu May 14, 2015 8:33 am

Looking at tightening the rear of my car up, feels a bit unstable on the bends.

Not sure how something like this would impact roll? In my mind it would have to be attached to the actual chassis no? since that bar is attached to the rear control arms and moves with the suspension?

Image

Anyone have other suggestions?
Current:
'11 A3 1.6TDi
'03 S3 8L

Ex:
'00 A4 2.4 V6
'09 Ibiza Cupra 1.8T,
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Re: Rear ARB(Ibiza 6L / Polo 9N Platform)

Postby Veedubbed » Thu May 14, 2015 9:25 am

Maybe get new shocks? The rear suspension on the Cupra should be toooit!
Or
If you do the lower ARB do a strut brace in the boot as well!
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Re: Rear ARB(Ibiza 6L / Polo 9N Platform)

Postby Kyle » Thu May 14, 2015 9:30 am

VeeDubbed wrote:Maybe get new shocks? The rear suspension on the Cupra should be toooit!
Or
If you do the lower ARB do a strut brace in the boot as well!
Image


OOh that's nice... Shocks are fine, but these cars definitely do need some help at the rear because of the design of the suspension...

I'll probably go ARB and poly bushes. I want to do this before coilies so that the difference isn't masked by the coilovers.
Current:
'11 A3 1.6TDi
'03 S3 8L

Ex:
'00 A4 2.4 V6
'09 Ibiza Cupra 1.8T,
2013 Vivo Gran Turismo,
E36 M3 Coupe,
E46 320i Individual MSport,
'98 Civic V Tec,
E36 318is Msport,
E30 318i Coupe,
MK1 GT

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Re: Rear ARB(Ibiza 6L / Polo 9N Platform)

Postby Tidy » Thu May 14, 2015 10:06 am

how fast are you cornering :fear:
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Re: Rear ARB(Ibiza 6L / Polo 9N Platform)

Postby Kyle » Thu May 14, 2015 10:07 am

Tidy wrote:how fast are you cornering :fear:


The current setup does not inspire confidence :lol:
Current:
'11 A3 1.6TDi
'03 S3 8L

Ex:
'00 A4 2.4 V6
'09 Ibiza Cupra 1.8T,
2013 Vivo Gran Turismo,
E36 M3 Coupe,
E46 320i Individual MSport,
'98 Civic V Tec,
E36 318is Msport,
E30 318i Coupe,
MK1 GT

Why make things easy for yourself when you can make it incredibly difficult and complicated.

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Re: Rear ARB(Ibiza 6L / Polo 9N Platform)

Postby Roms » Thu May 14, 2015 10:13 am

I did some research some time ago and found Whiteline products imported from Australia. There are local agents/distributors in Cape Town, Pyro Performance.

Go check out : http://www.whiteline.com.au/product_detail4.php?part_number=BWR19Z

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Re: Rear ARB(Ibiza 6L / Polo 9N Platform)

Postby EX-DOHCTOR » Thu May 14, 2015 10:13 am

Kyle wrote:Looking at tightening the rear of my car up, feels a bit unstable on the bends.

Not sure how something like this would impact roll? In my mind it would have to be attached to the actual chassis no? since that bar is attached to the rear control arms and moves with the suspension?

Image

Anyone have other suggestions?


A rear ARB attaches to the rear axle. Not the chassis.

Image

It has a major impact on body roll. Will massively change the handling of the vehicle.
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Re: Rear ARB(Ibiza 6L / Polo 9N Platform)

Postby Roms » Thu May 14, 2015 10:15 am

Neuk had this setup on his Polo TDI. Maybe he can give more info on the benefits of this rear ARB.

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Re: Rear ARB(Ibiza 6L / Polo 9N Platform)

Postby Kyle » Thu May 14, 2015 10:25 am

Thanks guys, that's all the info I needed :hug:
Current:
'11 A3 1.6TDi
'03 S3 8L

Ex:
'00 A4 2.4 V6
'09 Ibiza Cupra 1.8T,
2013 Vivo Gran Turismo,
E36 M3 Coupe,
E46 320i Individual MSport,
'98 Civic V Tec,
E36 318is Msport,
E30 318i Coupe,
MK1 GT

Why make things easy for yourself when you can make it incredibly difficult and complicated.

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Re: Rear ARB(Ibiza 6L / Polo 9N Platform)

Postby Howie-WP » Thu May 14, 2015 3:32 pm

Kyle wrote:Not sure how something like this would impact roll?


Seeing it is called a ARB...... it is Anti roll by virtue of it's name :crazy:

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Re: Rear ARB(Ibiza 6L / Polo 9N Platform)

Postby Kyle » Thu May 14, 2015 3:44 pm

This is a proper ARB, which connect to both the axle and the chassis

Image

Eliminating side to side as well as body roll by bracing the axle. The one I posted for my car does not bolt onto the chassis. It's solely connected to the axle(moving part), which I can't understand. It might aid in strengthening the axle but how would it impact roll?
Current:
'11 A3 1.6TDi
'03 S3 8L

Ex:
'00 A4 2.4 V6
'09 Ibiza Cupra 1.8T,
2013 Vivo Gran Turismo,
E36 M3 Coupe,
E46 320i Individual MSport,
'98 Civic V Tec,
E36 318is Msport,
E30 318i Coupe,
MK1 GT

Why make things easy for yourself when you can make it incredibly difficult and complicated.

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Re: Rear ARB(Ibiza 6L / Polo 9N Platform)

Postby EX-DOHCTOR » Thu May 14, 2015 4:19 pm

It stiffens the rear axle and prevents flexing. When you corner that increased rigidity will help plant the outside wheel down on the ground.

Have you ever held an ARB in your hands?
Ever tried to fit one yourself?

The single biggest upgrade to the handling on any of my cars came from fitting the rear ARB and front lower strut brace. On a Citi it's an instant handling upgrade.
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Racing is meant for the RACE track - deal with it...

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Re: Rear ARB(Ibiza 6L / Polo 9N Platform)

Postby Kyle » Thu May 14, 2015 4:25 pm

EX-DOHCTOR wrote:It stiffens the rear axle and prevents flexing. When you corner that increased rigidity will help plant the outside wheel down on the ground.

Have you ever held an ARB in your hands?
Ever tried to fit one yourself?

The single biggest upgrade to the handling on any of my cars came from fitting the rear ARB and front lower strut brace. On a Citi it's an instant handling upgrade.


Not debating that it works bud :grin: Just trying to explain the reason for my question.

My civic from 1998 even had independent rear suspension :lol: Disappointed with the design from VW.
Current:
'11 A3 1.6TDi
'03 S3 8L

Ex:
'00 A4 2.4 V6
'09 Ibiza Cupra 1.8T,
2013 Vivo Gran Turismo,
E36 M3 Coupe,
E46 320i Individual MSport,
'98 Civic V Tec,
E36 318is Msport,
E30 318i Coupe,
MK1 GT

Why make things easy for yourself when you can make it incredibly difficult and complicated.

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Re: Rear ARB(Ibiza 6L / Polo 9N Platform)

Postby EX-DOHCTOR » Thu May 14, 2015 4:44 pm

Designs been fine since the 1970's :lol: why change it?
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Re: Rear ARB(Ibiza 6L / Polo 9N Platform)

Postby Howie-WP » Thu May 14, 2015 8:38 pm

Kyle wrote:This is a proper ARB, which connect to both the axle and the chassis

Image


This is also on a rear wheel drive car, and as a result the roll geometry is fundamentally different from a front wheel drive car. The above setup has to help with traction as well. The original pic works for a FWD car as you are only controlling roll to help with turn due to reduced weight transfer.

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Re: Rear ARB(Ibiza 6L / Polo 9N Platform)

Postby Kyle » Thu May 14, 2015 9:07 pm

EX-DOHCTOR wrote:Designs been fine since the 1970's :lol: why change it?


:lol:
Current:
'11 A3 1.6TDi
'03 S3 8L

Ex:
'00 A4 2.4 V6
'09 Ibiza Cupra 1.8T,
2013 Vivo Gran Turismo,
E36 M3 Coupe,
E46 320i Individual MSport,
'98 Civic V Tec,
E36 318is Msport,
E30 318i Coupe,
MK1 GT

Why make things easy for yourself when you can make it incredibly difficult and complicated.

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Re: Rear ARB(Ibiza 6L / Polo 9N Platform)

Postby Smok3X » Fri May 15, 2015 9:06 am

Kyle wrote:This is a proper ARB, which connect to both the axle and the chassis

Image

Eliminating side to side as well as body roll by bracing the axle. The one I posted for my car does not bolt onto the chassis. It's solely connected to the axle(moving part), which I can't understand. It might aid in strengthening the axle but how would it impact roll?


I totally understand what you are asking here.... because I asked myself the same thing when I first fitted a rear ARB to my Citi Golf.

You are looking at it and thinking... if the axle is a single piece... the two wheels don't move independent of each other... so then... WTF is another straight bar going to do by being attached to another straight bar...

BUT trust me... once fitted... the handling is completely different!

The rear just becomes planted to the ground in the bends, you get so much confidence! Eventually the only thing that happens is the front end scrubbing across the road (Understeer) as they lose grip way before the rear does.

If you look at that picture of the rear ARB and imagine what happens when you corner... you can see that the bar will apply an opposing force to the other side of the axle as the chassis rolls the other way...its that opposing force that helps to resist the body rolling and gives you that extra stability at the rear.

The rear ARB is definitely on my to do list for the Cupra!
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Re: Rear ARB(Ibiza 6L / Polo 9N Platform)

Postby Kyle » Fri May 15, 2015 9:12 am

Smok3X wrote:
I totally understand what you are asking here.... because I asked myself the same thing when I first fitted a rear ARB to my Citi Golf.

You are looking at it and thinking... if the axle is a single piece... the two wheels don't move independent of each other... so then... WTF is another straight bar going to do by being attached to another straight bar...

BUT trust me... once fitted... the handling is completely different!

The rear just becomes planted to the ground in the bends, you get so much confidence! Eventually the only thing that happens is the front end scrubbing across the road (Understeer) as they lose grip way before the rear does.

If you look at that picture of the rear ARB and imagine what happens when you corner... you can see that the bar will apply an opposing force to the other side of the axle as the chassis rolls the other way...its that opposing force that helps to resist the body rolling and gives you that extra stability at the rear.

The rear ARB is definitely on my to do list for the Cupra!


Exactly what I was wondering :hurray: :hurray:

Will be ordering one soon
Current:
'11 A3 1.6TDi
'03 S3 8L

Ex:
'00 A4 2.4 V6
'09 Ibiza Cupra 1.8T,
2013 Vivo Gran Turismo,
E36 M3 Coupe,
E46 320i Individual MSport,
'98 Civic V Tec,
E36 318is Msport,
E30 318i Coupe,
MK1 GT

Why make things easy for yourself when you can make it incredibly difficult and complicated.

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Re: Rear ARB(Ibiza 6L / Polo 9N Platform)

Postby Caddyon » Fri May 15, 2015 11:23 am

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Re: Rear ARB(Ibiza 6L / Polo 9N Platform)

Postby EX-DOHCTOR » Fri May 15, 2015 11:55 am

Image

Dont waste your money on this, the subframe is already doing the job that this thing claims to be doing.
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Racing is meant for the RACE track - deal with it...

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Re: Rear ARB(Ibiza 6L / Polo 9N Platform)

Postby Kyle » Fri May 15, 2015 12:57 pm

This!

Image

:hurray: :hurray:
Current:
'11 A3 1.6TDi
'03 S3 8L

Ex:
'00 A4 2.4 V6
'09 Ibiza Cupra 1.8T,
2013 Vivo Gran Turismo,
E36 M3 Coupe,
E46 320i Individual MSport,
'98 Civic V Tec,
E36 318is Msport,
E30 318i Coupe,
MK1 GT

Why make things easy for yourself when you can make it incredibly difficult and complicated.

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Re: Rear ARB(Ibiza 6L / Polo 9N Platform)

Postby Big Vic » Fri May 15, 2015 1:18 pm

:kewlpics:
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