hybrid arb people - Suspension Forum - Peugeot 306 GTi-6 & Rallye Owners Club

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Subject: hybrid arb people

hovis16

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Location: Reading/parts for sale

Registered: 21 Nov 2008

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Post #1

quick thing to those of you with these Devil

what suspension set up do you have? i have Dry

bilstein b4's which i think are great,but since ive fitted my arb i tend to get a tad of understeer Razz

it mite also be down to the fact that i have just popped to new tires on and it has been wet Whistle

but will be good to no what you all have. at the moment i have b4s Dry

on pi springs dropped 30mm with solid beam mounts

hybrid arb best mod for the 306!!!

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Posted 6th Dec 2009 at 03:14

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SteviePut

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Post #2

It's probably more down to your new tyres than owt else. I can't comment on the hybrid ARB as I've still not fitted mine LOL

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Posted 6th Dec 2009 at 03:22

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adam b

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Post #3

What tyre pressures and tyres? Have you checked them after they were fitted (tend to be overinflated in my experience). Not sure the B4 rear dampers are that great - they could be the issue. Springs could be too soft and the rear could be too low compared to the front.

However, I think your problem is probably the solid beam mounts.

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Posted 6th Dec 2009 at 03:26

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hovis16

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Post #4

so you reckon it mite be down to the solids? Huh?

hmmmm wouldn't think so but i havent checked the tire pressure yet so i think i'll take a looksee. and yeah b4s are same quality as standard but i have the xsara ones LOL

heavier car = stiffer shox i hope

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Posted 6th Dec 2009 at 03:39

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adam b

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Post #5

Might be slightly stiffer but I bet they aren't. Thought the 205 B4s were worse than standard. The normal beam mounts move the rotation point of the car forward improving turn-in. Pointless on a road car imo. Especially when you aren't sorting the rest of the suspension to cope with the change (stiffer fronts springs etc etc).

Tyre pressures first though Thumbs up

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Posted 6th Dec 2009 at 03:43

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stilly

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Post #6

it may be worth getting higher poundage front springs... i have found mine to understeer quiet badly... but then i am running with 30mm arb and 23mm torsion bars... i am going for 525lb front spring over the winter to see if that will help... Big grin

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Posted 6th Dec 2009 at 12:39

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SteviePut

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Post #7

stilly wrote:

i am going for 525lb front spring over the winter to see if that will help... Big grin

At your age Dave?? Blink

It's going to rattle your bones Laugh my ass off

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Posted 6th Dec 2009 at 12:45

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andy_casey

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Location: Bristol

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Post #8

Unless it's silly soft at the front then stiffening up the front will only incerase the understeer. Out of interest, what's your theory on going to 525lb springs?

Lowering MacPherson strut cars also causes problems with camber as the suspension compresses, not many ways around that and it will cause understeer Sad

You can use lower ball joint extenders to force the wishbones downwards but that causes clearance issues for a start.

Stiff rear end should counter understeer (I've got an Audi so I've spend 5 years trying to get rid of the factory understeer LOL

) Other things are to keep the FARB stock with lowering springs otherwise you'll be stiffening it up doubly so and doing nothing to the rear, again, causing understeer.

Do you have helper springs on the rear to counter the stiffer front springs (if indeed they are stiffer)? Stiffening up the front on its own is going to cause you issues as lowering the torsion bars doesn't make them any stiffer...

Interestingly the HnR springs I fitted to the Audi are actaully softer than stock, however, they are progressive so end up about 20% stiffer when the close coils bind. Does mean that the initial feel of the car is softer then it stiffens up very quickly. Can't say I like it yet but time will tell.

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Posted 6th Dec 2009 at 16:24

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hovis16

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Post #9

Dry weather today took the car for a spin before work with the tires let down.they were on 36psi Huh?

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Posted 6th Dec 2009 at 19:14

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midlife

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Post #10

I have always run mine @ 36psi, its the factory setting afterall Unsure

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Posted 6th Dec 2009 at 20:08

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hovis16

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Post #11

i was told 30 32 psi is around the best to run can't member who told me??

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Posted 6th Dec 2009 at 23:18

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adam b

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Post #12

stilly wrote:

Pointless matey... Just won't be any good at all on the road. Will make it very hard to drive quickly unless you are on incredibly smooth tarmac. You'll need beasty dampers to work with those too.

If you do it can we meet up and have a quick blast to compare setups?

Wink

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Posted 6th Dec 2009 at 23:18

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vts_tibi

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Post #13

hovis16 wrote:

and yeah b4s are same quality as standard but i have the xsara ones LOL

heavier car = stiffer shox i hope

well... the ph.1 Xsara VTS is 1189kg

and the GTI-6 is 1214kg

So if your shocks are for the VTS your theory is not right! LOL

Although, the VTS has 21mm torsion bar at the rear so I guess the shocks should be a bit stiffer.

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Posted 6th Dec 2009 at 23:53

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hovis16

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Post #14

Yeah its the rear

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Posted 7th Dec 2009 at 00:02

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adam b

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Post #15

vts_tibi wrote:

hovis16 wrote:

and yeah b4s are same quality as standard but i have the xsara ones LOL

heavier car = stiffer shox i hope

well... the ph.1 Xsara VTS is 1189kg

and the GTI-6 is 1214kg

So if your shocks are for the VTS your theory is not right! LOL

Although, the VTS has 21mm torsion bar at the rear so I guess the shocks should be a bit stiffer.

Your ASTs on yet?

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Posted 7th Dec 2009 at 01:32

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vts_tibi

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Post #16

oh dear... the reason why I didn't want to post here LOL

not

I had free time on Friday and had free space aswell, but a friend came around to do a "quick" oil change on his shitty 190E Merc. Roll eyes

, and we spent the whole day fixing that shit, as he had to go back to work 250km away.

Will do it tomorrow I guess.

________________________________________

VTS
best 60' : 2.272
best 1/8 ET : 9.375 @ 74.42mph
best 1/4 ET: 14.603 @ 97.047mph

Team Trackday™

Posted 7th Dec 2009 at 01:51

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adam b

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Post #17

TART! Get on with it - be nice to know if it blinking fits LOL

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Posted 7th Dec 2009 at 15:41

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rallyestyle

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Post #18

hovis16 wrote:

i was told 30 32 psi is around the best to run can't member who told me??

Personal choice really but i always run mine at 36 up front and 34 at the rear Yes

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Posted 7th Dec 2009 at 16:37

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adam b

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Post #19

Depends on your tyres. But thats what I run as well.

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Posted 7th Dec 2009 at 16:39

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phillipm

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Post #20

I used to run Eagles @ 30/32psi front, 34/36 rear depending on the weather.
The old Michelins seemed best @ 34psi all around, but the Parada's are shite at anything under 36psi.

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Posted 7th Dec 2009 at 16:43

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welshpug!

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Post #21

306 spec Bilstein B4 = w*nk

Xsara Spec B4's, far better Smile

as mentioned, tyre choice and pressure has a lot to do with it Smile

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Posted 7th Dec 2009 at 21:51

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