displaying posts 26 to 37 of 37

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Author Subject: Increasing steering feel
welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

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Post #26
i thinl the older cars ran slightly less offset but not that much less, smaller+narrower

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Posted 21st Feb 2012 at 17:18
davewagon

Senior User

Location: Corby / Northampton

Registered: 21 Feb 2007

Posts: 889

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Post #27
welshpug! wrote:
Has more torque than an R, +30Lbft on overboost too.

heavy engine in the nose maybe?


Sorry to take this off topic again, but a Mondeo v6 has more torque than a V70R ??!! Is that right?

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Posted 21st Feb 2012 at 18:42
adam b

Seasoned Pro

Location: The Nam

Registered: 24 Jan 2006

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Post #28
It's a diesel iirc.
Anyway, reducing negative scrub would be to space out the wheels, or increase offset yes?

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Posted 21st Feb 2012 at 19:14
phillipm

Seasoned Pro

Location: Rotherham

Registered: 15 Oct 2006

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Post #29
Yes, but it will increase torque steer and tramlining too.

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Posted 21st Feb 2012 at 21:02
adam b

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Post #30
Great, get enough of that as it is on full throttle. Roads around here are crap!
The steering does make it a challenge to drive on the limit but that's rare on the road tbh.

Gripper or quaife for 99% road work 16k a year?

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Posted 21st Feb 2012 at 21:59
welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

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Post #31
ask Miles, he'd say plate, set a little lighter than say a gravel car or circuit car Smile

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Posted 22nd Feb 2012 at 00:33
adam b

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Location: The Nam

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Post #32
Hmm, I would too, except they've had a lot of issues with them. Anyway its a pipe dream. Way too much money.

After a chat with denis it looks like I need to reduce front springs down to 380 max. Way too stiff at the moment!

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Posted 22nd Feb 2012 at 08:23
phillipm

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Location: Rotherham

Registered: 15 Oct 2006

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Post #33
Okay, if torque steer is an issue already, then either look at lifting the roll centre at the front a touch (will understeer more with power on but turn in will feel sharper), or increasing castor on the front up to 7-8 degrees, the extra camber will allow you to run more offset for feedback without suffering from tramlining quite so much, but steering will feel slightly slower midcorner.

Have you measured the bumpsteer on the front? Might be worth altering the curve a bit (you don't always want zero bumpsteer, it can help with feel and transitions, ask Lotus...)

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- Bespoke rollcages/additions/adjustments. Half cages right up to complete custom spaceframes - MSA/FIA spec, CDS, ROPT, T45, etc - PM me
Email me!
Custom-made polybushes available - need an odd size or fitment? - anything from batch work to one-off pieces.
Posted 22nd Feb 2012 at 14:18
adam b

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Location: The Nam

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Post #34
On reflection torque steer is only an issue on the road. On track I don't get it. I think that is due to the front springs being too stiff and the car is being deflected on bumps.

The front-rear rake is about even at the moment. I can only adjust up on the front due to the daft nature of the current front spring setup. Basically I think I need to get the front springs changed and then go from there. I then have a decent starting point that I can refer back to - it is too compromised at the moment on the road.

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Posted 22nd Feb 2012 at 14:30
docwra

Regular

Location: Cambridge UK

Registered: 16 Jun 2009

Posts: 217

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Post #35
May have missed it being mentioned but new engine mounts have just made worlds of different to the steering feel in my 6 and my 350Z Smile

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Posted 22nd Feb 2012 at 14:48
adam b

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Post #36
Not its not been mentioned and I could probably do with two being done. Thanks!

To be fair they aren't known for steering feel so was trying to create a solution Smile

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Posted 22nd Feb 2012 at 15:22
docwra

Regular

Location: Cambridge UK

Registered: 16 Jun 2009

Posts: 217

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Post #37
Mine is incredibly good now, the front end feels like one solid piece. Last bits were the mounts, but at the same time the subframe mountings and suspension topmounts were replaced, the difference is quite noticeable now.

If you are looking at mounts Ive just had my Z33 used for development by a company called Vibratechnics, they offer 306 solutions that are apparently a lot better than others - shame I hadnt found them before my 6 went into the garage Sad

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Lots of Nissans, two 306 GTI-6's. They are catching up! Big grin
Posted 22nd Feb 2012 at 17:05

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