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Author Topic: mv6 suspension vs lowering springs  (Read 8583 times)

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kennny

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mv6 suspension vs lowering springs
« on: 29 April 2012, 22:03:51 »

Ive been toying with the idea of lowering my mv6 tourer but wondered if i bought -40mm springs would it lower it 40mm or would it be less considering the mv6 already has slightly lowered suspension?
Any help would be appreciated.
Kenny
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feeutfo

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Re: mv6 suspension vs lowering springs
« Reply #1 on: 29 April 2012, 22:09:27 »

Mv6 tourer... Does such a thing exist? :-\
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kennny

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Re: mv6 suspension vs lowering springs
« Reply #2 on: 29 April 2012, 22:14:50 »

Mv6 estate then  ::)
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twiglet

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Re: mv6 suspension vs lowering springs
« Reply #3 on: 29 April 2012, 22:24:18 »

Most lowering kits state how much the lower the car from standard.  The MV6 suspension sits 15mm lower than standard already, so if quoted as 40mm drop, then I would expect you to only see a drop of 25mm on your car.

Just my opinion, but I would leave the MV6 suspension well alone.   :y
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feeutfo

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Re: mv6 suspension vs lowering springs
« Reply #4 on: 29 April 2012, 22:34:45 »

In that case as Twiglet says. I'd suggest not lowering below 30mill tbh. (ie 15mill lower than mv6 lowered sports chassis of the face lift mv6) as rear camber will be compromised possibly requiring a corection kit and making the ride unpleasant. But then if lowering for appearance only, non of that will be important.

All lowering kits work from the standard ride height. Mv6 is non standard ride height on face lift.

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kennny

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Re: mv6 suspension vs lowering springs
« Reply #5 on: 29 April 2012, 22:55:31 »

Yeah its a facelift. its more for looks to be honest. maybe just a set of 19" snowflakes then instead of lowering. just think it sits too high at the back. looks like its on stilts lol
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feeutfo

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Re: mv6 suspension vs lowering springs
« Reply #6 on: 29 April 2012, 22:59:49 »

The rear ride height will be needed with any sort of load or course.

 Front will restrict wheel/tyre size. Be careful not to foul strut upright and spring cup. Unless you go bigger on the rear, where there is loads of room.
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kennny

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Re: mv6 suspension vs lowering springs
« Reply #7 on: 30 April 2012, 00:40:25 »

Do you know what the biggest size i could have on the front is by any chance?
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feeutfo

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Re: mv6 suspension vs lowering springs
« Reply #8 on: 30 April 2012, 01:04:05 »

Depends on the wheel size and offset as to what tyre size to go for.

I have no experience with 19, 18's currently, and wouldn't go to 19 anyway. IMO there won't be enough tyre side wall left. First point of suspension is the tyre, so that won't help ride or grip level with too much wheel and not enough tyre. Although if for appearance only non of that will matter.

IME...
Front 18
On 8j et38, up to 245 40 18. although this is tight with rim protection at -1.10 camber.
On 8j et30, as above except the extra et of 8mill means the rim protection has more clearance to the shock body.
Rear
Loads of room, but 9j et38 with 265 40 18 currently fitted.

Ps, if you want the car to drive straight avoid Falkens of any flavour.
« Last Edit: 30 April 2012, 01:07:58 by chrisgixer »
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MV6Matt

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Re: mv6 suspension vs lowering springs
« Reply #9 on: 30 April 2012, 06:25:09 »

Do you know what the biggest size i could have on the front is by any chance?

22" is the biggest I've seen. The tyre was like a rubber band on the wheel though (at a very early PVS, I think, definitely a car show).

I had 19" on mine - 235 35 on the front (that's them in my Avatar) - no problem at all. However, having lowered mine by 20mm (on a CDX) and done the bigger wheel thing, it was like driving on no suspension at all. Even the smallest hole/bump/imperfection was felt and magnified. I used the Eibach/Bilstein combo.
It got worse when I put 275 30 on the rears. My N/S/R tyre shredded on the A12 last September (Brand new CS2!) having hit a pot hole and I was very glad that I didn't have any one else in the car with me. UK roads are not suitable (IMO) for large wheel/low profile tyres on heavy cars
I did change mine for aesthetics but found it too uncomfortable to live with as a daily driver (far too many complaints from passengers as well!).

If I could afford to run more than 1 car, I'd probably have a saloon with bigger wheels and lowered suspension as a showcar/occasional use driver.

I've returned to 17" wheels and won't be changing for larger any time soon.

You might want to talk with 2Woody about Omega tyre sizes. It was designed to be driven on 195's (on a 15 or 16 inch wheel), and anything larger is overtyred. He was driving one of his this winter on 195's and said it 'was a hoot to drive'.

HTH

Matthew
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MV6Matt

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Re: mv6 suspension vs lowering springs
« Reply #10 on: 30 April 2012, 06:31:40 »

and here's the bit about the tyre size he told me about

"To answer "what am I doing to the car ?" then in short, you are chasing away good handling in favour of more grip and "looks". Think of it as a bowler - handling is the ability to bend the ball via spin, making the ball do exactly as you want. Grip is simply bowling as fast as you can - you cannot do both. An Omega B needs 195-section tyres, no more. At that point, the car handles excellently, giving you the best control. This is indeed what the chassis was designed with ( Carlton ). Since then, the fashion has been to ever bigger wheels. To these, you need to fit low profile tyres to keep to the same wrpm. But, this hurts the comfort and handling.

An Omega B on 235s is actually quite over-tyred - something you can tell when driving, especially at the front. I'm currently running my MV6 on 195 snow tyres and it's an absolute hoot to drive. Its certainly no faster on 235s and I wouldn't say it handles any better, either.

As another comparison, I'm running just over 400 hp in the Holden, on 245's all round. Even at that power level, I'd still say its over-tyred.

hope this all helps..... ( you can post it if you want )"

HTH
Matthew
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feeutfo

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Re: mv6 suspension vs lowering springs
« Reply #11 on: 30 April 2012, 09:09:17 »

To add my last, with 18 irmscher sport stars, I believe the preferred width was 225.
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twiglet

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Re: mv6 suspension vs lowering springs
« Reply #12 on: 30 April 2012, 10:07:42 »

I'm running Irmscher ET38 18's with 235/40x18 tyres all round on my Facelift 3.2 Elite Estate and she rides lovely.  My intention is to fit new MV6 lsc shocks and springs to the front, and springs to the rear, whilst retaining the self leveling shocks.  This should sharpen up the handling nicely, without losing too much ride comfort.  :y
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i260

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Re: mv6 suspension vs lowering springs
« Reply #13 on: 30 April 2012, 16:51:30 »

To add my last, with 18 irmscher sport stars, I believe the preferred width was 225.

225s on 8x18 inch wheels look rubbish and leave it totally exposed to kerbing.

This size suits an Astra or Vectra but just looks plain wrong on the mig - sorry!
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TheBoy

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Re: mv6 suspension vs lowering springs
« Reply #14 on: 30 April 2012, 17:56:57 »

I'm running Irmscher ET38 18's with 235/40x18 tyres all round on my Facelift 3.2 Elite Estate and she rides lovely.  My intention is to fit new MV6 lsc shocks and springs to the front, and springs to the rear, whilst retaining the self leveling shocks.  This should sharpen up the handling nicely, without losing too much ride comfort.  :y
Pretty certain gayboyGixer tried that (admittedly on saloon), and it didn't work too well...
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