Strut brace adjustment. - Suspension Forum - Peugeot 306 GTi-6 & Rallye Owners Club

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Subject: Strut brace adjustment.

306matt

Regular

Location: Frodsham

Registered: 13 Feb 2007

Posts: 419

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Post #1

Hi all,

Just a quick note to tell people how much benefit I have noticed from adjusting my upper strutbrace so that it has extended the bar. I have only made a ¾ of a turn difference! But what a difference in every way, turn is a lot sharper and the steering is more positive.

I normally make this adjustment in summer and re-adjust it in the winter.

Just something for people to play about with.

Thanks,

Matt

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Posted 9th Jul 2010 at 18:00

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welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

Posts: 25,817

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Post #2

should be the other way, pulling in.

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Posted 9th Jul 2010 at 18:07

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306matt

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Location: Frodsham

Registered: 13 Feb 2007

Posts: 419

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Post #3

My car had been in a garage to do my top mounts, they may have over done it, now making it spot-on.

Matt

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Posted 9th Jul 2010 at 18:14

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cosmic spanner

Moral objector

Location: North London

Registered: 11 Oct 2004

Posts: 10,399

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Post #4

welshpug! wrote:

should be the other way, pulling in.

I never really understood this - seems counter-intuitive? Unsure

Under cornering I imagine the turrets want to flex inwards towards each other. So I would expect you want to counter-act that i.e. hold them apart, not pull them even further in the direction they're wanting to go?

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Posted 9th Jul 2010 at 18:34

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welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

Posts: 25,817

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Post #5

neither do I fully, but that's what Phill said LOL

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Posted 9th Jul 2010 at 18:38

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velar

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Location: swindon

Registered: 04 Jan 2009

Posts: 448

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Post #6

When cornering isn't the top of the loaded turret trying to move outward, as the bottom of the wheel tries to tuck itself under the car.
(If it goes inwards it will create -ve camber which will benefit the cornering )
The turret tries to move inwards as the weight on it increases, but this is small compared to the cornering forces.

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Posted 9th Jul 2010 at 18:57

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phillipm

Seasoned Pro

Location: Rotherham

Registered: 15 Oct 2006

Posts: 20,607

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Post #7

^^This

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Posted 10th Jul 2010 at 01:56

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mabgti

NV motors

Location: Bham tunnel @7400rpm

Registered: 28 Aug 2003

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Post #8

ive always adjusted outards for better turn in... hmmm

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Posted 10th Jul 2010 at 04:53

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306matt

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Location: Frodsham

Registered: 13 Feb 2007

Posts: 419

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Post #9

I still can't believe how much improvement it's made.

Small adjustments for the win.

Matt

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Posted 11th Jul 2010 at 00:30

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phillipm

Seasoned Pro

Location: Rotherham

Registered: 15 Oct 2006

Posts: 20,607

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Post #10

Because there's now some preload on the bar, so it stiffens the whole structure.

You (should) do the same when installing a roll cage - make everything a tap/press in fit into the chassis so the whole cage is preloaded against the shell, which stiffens the whole structure up.

I reckon you'd have the same result if you turned it 1.5 turns back again.

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Posted 11th Jul 2010 at 00:35

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306matt

Regular

Location: Frodsham

Registered: 13 Feb 2007

Posts: 419

Status: Offline

Post #11

.....goes to get spanner.

Matt

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Posted 11th Jul 2010 at 00:43

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