Suspension Dilemma!

BChivs · 25 Nov 2017

APL911 said:
What sort of price are you looking at for the full mo30 kit including fitting?

£900ish for the parts, & a few hours labour so circa £1200.

Dammit · 26 Nov 2017

This is X74 ride height:

Hans Gruber · 26 Nov 2017

I am in the process of a full suspension rebuild that started as my just swapping the top mounts! ..but anyway I was about to press the button on an order for 4 shocks and a set of HR springs from D911 when I thought about M030.

Here's the question - where is the best place to buy it (I know its been asked a million times) as I seem to be struggling to get it for a C4s.

If I go down the M030 route I will probably still get the HR springs as I believe they offer a lower stance so the M030 will probably be offered for sale on here.

I have emailed Gert at Carnewal but if anyone has any other ideas other than trying my local stealer it would be welcome

Diablos-666 · 26 Nov 2017

I recently went through the same thought process. I wanted to lower the car so looked into lowering springs and then man maths took over and I ordered a set of pss9 coilovers for around £1,800. I ended up cancelling the order as they couldn't deliver until Jan.
I couldn't find the same deal so ended up back to just lowering the car and ordered a set of RUF lowering springs. I've also bought a set of 7mm and 15mm wheel spacers.
I haven't fitted these yet, the car goes on in Thursday to have the work done.
I'll take some before and after pics and do a little write up on how the car feels.

C4-STORM · 26 Nov 2017

Diablos-666 said:
I recently went through the same thought process. I wanted to lower the car so looked into lowering springs and then man maths took over and I ordered a set of pss9 coilovers for around £1,800. I ended up cancelling the order as they couldn't deliver until Jan.
I couldn't find the same deal so ended up back to just lowering the car and ordered a set of RUF lowering springs. I've also bought a set of 7mm and 15mm wheel spacers.
I haven't fitted these yet, the car goes on in Thursday to have the work done.
I'll take some before and after pics and do a little write up on how the car feels.

Before and after pics spot on :thumbs:

Can you fit the ruf springs to the standard shocks bud?

How much drop?

My thoughts same re. Spacers but can't find any decent before/after reference despite this being much debated before now :dont know:

Diablos-666 · 26 Nov 2017

Yes, I checked and the lowering springs are designed to work with the standard shocks.

The springs lower the car by 25mm

BChivs · 26 Nov 2017

The way I looked at it personally is that the M030 whilst freshens up the suspension and is good value didn't offer the look I was after, and if it doesn't do what I want it's no longer good value,
The RUF springs will give me the look I want, and then later I can add updated shocks all still for reasonable cost.

BK911 · 26 Nov 2017

Hans Gruber said:
I am in the process of a full suspension rebuild that started as my just swapping the top mounts! ..but anyway I was about to press the button on an order for 4 shocks and a set of HR springs from D911 when I thought about M030.

Here's the question - where is the best place to buy it (I know its been asked a million times) as I seem to be struggling to get it for a C4s.

If I go down the M030 route I will probably still get the HR springs as I believe they offer a lower stance so the M030 will probably be offered for sale on here.

I have emailed Gert at Carnewal but if anyone has any other ideas other than trying my local stealer it would be welcome

I believe this is where my Porsche Specialist bought it from:-
https://www.porscheshop.co.uk/porsc...-to-2005/sports-suspension-kit-oe-996-c4.html

It cost:-
Fitting labour £804.00 + VAT (excluding seizures)

Parts-M030 kit £1200.00 + VAT (includes front and rear dampers, springs (lowered 10mm) and antiroll bars with new bushes)

This is what it looks like next to a GT3... So MO30 isnt anywhere near as low as the GT3. Maybe the Ruf spring idea is the way to go for that GT3 look.. does anyone on here know if the shorter springs affect ride quality?

As I've eluded to before, the MO30 suspension refresh is worth every penny imo! :thumb:

Dammit · 26 Nov 2017

Mine is -30mm and it's still not GT3 low.

Jamesx19 · 26 Nov 2017

I have H&R springs that are -30mm from standard height.

As per the RUF springs I see posted above, they are a progressive rate spring, i.e. different parts of the spring compresses at a different rate or load meaning the initial take up of a bump can be quite soft until the actuating the higher rate part of the spring as it further compresses.

The ride quality is mostly governed by the dampers not the springs. I have no issues with "grounding out" and the ride / handling balance with Bilstein B8 dampers suits me well. Low speed ride is a bit compromised, but that is a matter of individual taste I think.

I have had a car with MO30 Dampers and H&R springs, and that worked well too.

Hope that helps .....

Jamesx19 · 26 Nov 2017

Also.... Isn't a C4S 10mm lower than a standard carrera already? i.e. fitting -30mm springs will lower car by 20mm over what you already have? :dont know:

Diablos-666 · 27 Nov 2017

I did a search before I bought the RUF springs to see the height difference, below is a pic someone posted on Rennlist.

BK911 · 27 Nov 2017

C4-STORM said:
The dilemma I have is this:

Keep her stock?

Or

Lowering kit and additional spacers?

Some really useful information on here now.. If you're going to lower it I'd seriously consider the PSS9 adjustable dampers with Ruf Springs and give it completely different purpose and feel (as well as aesthetic).. Or OEM Sports suspension so she really drives and feels like a C4s should over a regular Carrera.

I'll take some photos of what 15 year old bushes on a 49k mile car look like later.. you'll be wanting to drop your car off tomorrow

If you're dismantling the car for new bushes, springs and spacers (I presume you'll need to 4 wheel alignment for this) you may as well spend a bit more and treat yourself to new dampers... As Jamesx19 has stated that's what will determine the quality of the ride, my car (identical to yours) is transformed as a result. :thumb:

dombo · 27 Nov 2017

Gents, forgive my ignorance, as I'm relatively new to the joys of 996 ownership, but what does lowering the car do? Apart from the obvious. Thanks.

Hans Gruber · 27 Nov 2017

dombo said:
Gents, forgive my ignorance, as I'm relatively new to the joys of 996 ownership, but what does lowering the car do? Apart from the obvious. Thanks.

In a nutshell it makes its look well cool as demonstrated above

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