Plss Help!!! Replacing the anti-roll bar

Serban_MD · 29-06-2006, 16:11

Hy I have a Skoda Fabia 1.4 16v 74kw.I want to replace the front anti-roll bar.My car ia fitted with a 18mm bar and I want to install a bigger one (20mm).Is there a downside to this like losing traction or the suspension of the car becomeing to stiff on bumpy roads?I heard that this will make my car understeer more easily.Is this true?If I have too much stabilizer bar, the car tends to lose independence between the suspension members on both sides of the car. When one wheel hits a bump, the stabilizer bar transmits the bump to the other side of the car as well, which is not what I want.My question is is this 20mm bar too big for my car...

Tom_vRS · 29-06-2006, 16:50

Hmm, a bigger front ARB will make the car very understeery.

Get one on the back!

Lummox · 29-06-2006, 17:41

I fitted a vRS bar to an Ibiza Sport which had the 18mm bar as standard, owner thought it was a good mod and was happy. It did induce a little more understeer but the pluses out weigh the minusses.

Serban_MD · 30-06-2006, 14:06

The 20 mm ARB that I want to install is fitted to the 1.9 TDi engine.It is not a special sport ARB.. so I hope it will work ok on my 1.4 16V...

Serban_MD · 30-06-2006, 14:07

Quote:

Originally Posted by Tom_vRS

Hmm, a bigger front ARB will make the car very understeery.

Get one on the back!

Very understeery?

Plss explain... Note:I have the original size fitted wheels.. 185/60 R14

Mort · 30-06-2006, 14:09

Get Front and Back, all the benefits, twice the cost!

Serban_MD · 30-06-2006, 14:11

Quote:

Originally Posted by Mort

Get Front and Back, all the benefits, twice the cost!

Do you know a manufacturer for the rear ARB.. or a link... something...

Mort · 30-06-2006, 14:23

Quote:

Originally Posted by Serban_MD

Do you know a manufacturer for the rear ARB.. or a link... something...

Jabba do the rear ARB: http://www.jabbasport.com/vehicle_pr...p?variantid=58

Think there's a group buy on or coming? Might be worth asking them if it fits/is suitable for the 1.4 though. I don't see why not, but I'm not a mechanic.

Serban_MD · 30-06-2006, 14:29

Quote:

Originally Posted by Mort

Jabba do the rear ARB: http://www.jabbasport.com/vehicle_pr...p?variantid=58

Think there's a group buy on or coming? Might be worth asking them if it fits/is suitable for the 1.4 though. I don't see why not, but I'm not a mechanic.

What is the size of your front ARB? Is bigger than 20mm? Is the car understeering a lot? So I`ve heard...that if you install a thicker ARB you will get a lot of understeer and some problems on bumpy roads...

Mort · 30-06-2006, 14:43

As I've got the heavy vRS lump up front I'm not sure any comparisons are worthwhile. I suppose it all depends on what you want from the car? Will the benefits of a stiffer roll bar outweigh the understeer you might get?

P-A · 30-06-2006, 16:07

Quote:

Originally Posted by Mort

As I've got the heavy vRS lump up front I'm not sure any comparisons are worthwhile. I suppose it all depends on what you want from the car? Will the benefits of a stiffer roll bar outweigh the understeer you might get?

Exactly what I was going to say. The 1.9TDI lump is a LOT heavier than the 1.4 petrol, therefore I'm thinking that fitting an ARB from a TDI might make handling worse rather than better?

Serban_MD · 30-06-2006, 17:49

Quote:

Originally Posted by P-A

Exactly what I was going to say. The 1.9TDI lump is a LOT heavier than the 1.4 petrol, therefore I'm thinking that fitting an ARB from a TDI might make handling worse rather than better?

It`s not such a big diference in the size of the ARB,only 2 mm...I hope I don`t mess up my cars behavior... Note:I have the original size fitted wheels.. 185/60 R14
Something else... The dealer had 3 diferent sizes of ARB. 18mm (like mine),19mm, and 20mm.I know that the 18mm bar is for 1.4 petrol engines and the 20mm is for TDI.I wonder the 19mm what engine should it be for?Maybe 2.0 MPI.Should I go back to the dealer and chage it to 19mm?I really don`t know what to do...

nickliv · 30-06-2006, 20:45

I had an old (ie pre '93) saab 900 turbo, no TCS or anything like that, so when you stomped on the go pedal while exiting a corner this happened:-

The outside suspension was compressed by the weight transfer, so the front ARB tried to compensate by compressing the inside suspension (ie its' job). Or to put it another way, it was trying to pull the already unweighted wheel upwards, leading to crippling wheelspin and tyre bills.

So I put in a new rear ARB with fresh linkages and bushes, and removed the front one altogether.

Then, when I stomped on the go pedal exiting a corner, the inside wheel still lost traction, but much less frequently or markedly as it had done previously, and the car was much more driveable, less understeer, and much less wayward (It was still pretty wayward though TBH)

I'm taking the VRs to the stealership soon to get things looked at, then I wanna jabba.

Serban_MD · 01-07-2006, 11:55

As I said before... I went to the dealer and I change it with the smaller 19mm one...After I install it...you`ll hear again from me..

Serban_MD · 05-07-2006, 23:31

Yup I made a good choice...installing the 19mm ARB... No understeer at all...

29-06-2006, 16:11	#1
Serban_MD Briskodian Join Date: Aug 2004 Posts: 13 Members Car: Thanks: 0 Thanked 0 Times in 0 Posts	Plss Help!!! Replacing the anti-roll bar Hy I have a Skoda Fabia 1.4 16v 74kw.I want to replace the front anti-roll bar.My car ia fitted with a 18mm bar and I want to install a bigger one (20mm).Is there a downside to this like losing traction or the suspension of the car becomeing to stiff on bumpy roads?I heard that this will make my car understeer more easily.Is this true?If I have too much stabilizer bar, the car tends to lose independence between the suspension members on both sides of the car. When one wheel hits a bump, the stabilizer bar transmits the bump to the other side of the car as well, which is not what I want.My question is is this 20mm bar too big for my car... Last edited by Serban_MD; 29-06-2006 at 16:16.

29-06-2006, 16:50	#2
Tom_vRS Briskodaholic Join Date: Dec 2004 Location: Fenland, Cambridgeshire Posts: 11,799 Members Car: '97R BMW 328i Saloon Thanks: 728 Thanked 451 Times in 328 Posts	Re: Plss Help!!! Replacing the anti-roll bar Hmm, a bigger front ARB will make the car very understeery. Get one on the back! __________________ 97/R BMW 328i in Boston Green.

29-06-2006, 17:41	#3
Lummox Partner Join Date: Sep 2003 Location: Newport Pagnell Posts: 22,981 Members Car: Mk2 Golf GTi 16v and building a 20VT MK2. Images: 2 Thanks: 29 Thanked 835 Times in 702 Posts	Re: Plss Help!!! Replacing the anti-roll bar I fitted a vRS bar to an Ibiza Sport which had the 18mm bar as standard, owner thought it was a good mod and was happy. It did induce a little more understeer but the pluses out weigh the minusses. __________________ www.unit18.co.uk Remapping Service now available, PM for details.

30-06-2006, 14:06	#4
Serban_MD Briskodian Join Date: Aug 2004 Posts: 13 Members Car: Thanks: 0 Thanked 0 Times in 0 Posts	Re: Plss Help!!! Replacing the anti-roll bar The 20 mm ARB that I want to install is fitted to the 1.9 TDi engine.It is not a special sport ARB.. so I hope it will work ok on my 1.4 16V...

30-06-2006, 14:09	#6
Mort Broom Broom! Join Date: May 2005 Location: Derby, England Posts: 1,454 Members Car: Fabia vRS (red '03) Thanks: 9 Thanked 49 Times in 47 Posts	Re: Plss Help!!! Replacing the anti-roll bar Get Front and Back, all the benefits, twice the cost! __________________ Fabia v/RS, in Red. Green filter & Cupra Intake, TT brakes, Josh's Sumpguard, Jabba ARB, MOMO strut brace, Powdercoated alloys. KW v1's next...

30-06-2006, 14:43	#10
Mort Broom Broom! Join Date: May 2005 Location: Derby, England Posts: 1,454 Members Car: Fabia vRS (red '03) Thanks: 9 Thanked 49 Times in 47 Posts	Re: Plss Help!!! Replacing the anti-roll bar As I've got the heavy vRS lump up front I'm not sure any comparisons are worthwhile. I suppose it all depends on what you want from the car? Will the benefits of a stiffer roll bar outweigh the understeer you might get? __________________ Fabia v/RS, in Red. Green filter & Cupra Intake, TT brakes, Josh's Sumpguard, Jabba ARB, MOMO strut brace, Powdercoated alloys. KW v1's next...

30-06-2006, 20:45	#13
nickliv Briskodian Join Date: Mar 2006 Location: Aberdeenshire Posts: 191 Members Car: Thanks: 4 Thanked 0 Times in 0 Posts	Re: Plss Help!!! Replacing the anti-roll bar I had an old (ie pre '93) saab 900 turbo, no TCS or anything like that, so when you stomped on the go pedal while exiting a corner this happened:- The outside suspension was compressed by the weight transfer, so the front ARB tried to compensate by compressing the inside suspension (ie its' job). Or to put it another way, it was trying to pull the already unweighted wheel upwards, leading to crippling wheelspin and tyre bills. So I put in a new rear ARB with fresh linkages and bushes, and removed the front one altogether. Then, when I stomped on the go pedal exiting a corner, the inside wheel still lost traction, but much less frequently or markedly as it had done previously, and the car was much more driveable, less understeer, and much less wayward (It was still pretty wayward though TBH) I'm taking the VRs to the stealership soon to get things looked at, then I wanna jabba. __________________ Present cars 1 2006 red VW Golf GT 170 tdi. SWMBOs new missile 1 2006 silver fabia vrs, with cruise, ESP, Heated Seats, Side airbags, and a VAG X1 mp3 adaptor.

01-07-2006, 11:55	#14
Serban_MD Briskodian Join Date: Aug 2004 Posts: 13 Members Car: Thanks: 0 Thanked 0 Times in 0 Posts	Re: Plss Help!!! Replacing the anti-roll bar As I said before... I went to the dealer and I change it with the smaller 19mm one...After I install it...you`ll hear again from me..

05-07-2006, 23:31	#15
Serban_MD Briskodian Join Date: Aug 2004 Posts: 13 Members Car: Thanks: 0 Thanked 0 Times in 0 Posts	Re: Plss Help!!! Replacing the anti-roll bar Yup I made a good choice...installing the 19mm ARB... No understeer at all...

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