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Dr993
Silverstone


Joined: 01 Sep 2005
Posts: 127
Location: Herts


PostPosted: Thu Jan 03, 2008 9:21 am    Post subject: 993 suspension - M033, M030, renewal choices etc Reply with quote

**Posts moved from 993 C2S Wanted - all on 993 suspension choices. Cheers Asim**

Asim, sorry to go 'off thread' slightly, but what is the difference between the M033 and M030 options you detailed in an earlier post? Cheers, Bob.
 
  
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993C2S
Zolder


Joined: 05 Aug 2005
Posts: 5996
Location: Berkshire

1997 Porsche 993 Carrera 2S

PostPosted: Thu Jan 03, 2008 9:36 am    Post subject: Reply with quote

Bob, M030 and M033 both lower the car by the same amount - 10mm at the front and 20mm at the back.

However M033 (as fitted to a C2S) lowers the car with linear springs which give a more comfortable ride. The standard thickness roll bars are used.

M030 (standard on Turbo, RS, GT2, optional on everything else) lowers the car wth progressve springs and used firmer valved dampers. Roll bars are also thicker. M030 gives a more handling biased set up with a firmer ride than M033.

M033 is often termed lowered chassis. M030 is termed sports chassis.

Hope this helps.
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Dr993
Silverstone


Joined: 01 Sep 2005
Posts: 127
Location: Herts


PostPosted: Fri Jan 04, 2008 10:56 am    Post subject: Reply with quote

Cheers Asim, you really know your stuff. Bob.
 
  
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carver97
Newbie


Joined: 21 Jun 2003
Posts: 47



PostPosted: Mon Jan 07, 2008 10:35 pm    Post subject: Reply with quote

993C2S wrote:
Bob, M030 and M033 both lower the car by the same amount - 10mm at the front and 20mm at the back.

However M033 (as fitted to a C2S) lowers the car with linear springs which give a more comfortable ride. The standard thickness roll bars are used.

M030 (standard on Turbo, RS, GT2, optional on everything else) lowers the car wth progressve springs and used firmer valved dampers. Roll bars are also thicker. M030 gives a more handling biased set up with a firmer ride than M033.

M033 is often termed lowered chassis. M030 is termed sports chassis.

Hope this helps.


Guys, M033 fitted as std on a C2S, what about the C4S? I know my 4S has not had anything done to the dampers in its time, so without any scientific assessment other than it does feel a bit clangy when nipping on, I will be getting things checked & changed soon.

I'd appreciate a bit of help on what really needs checked, springs dampers, bushes whatever.......

Cheers
Neil
 
  
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993C2S
Zolder


Joined: 05 Aug 2005
Posts: 5996
Location: Berkshire

1997 Porsche 993 Carrera 2S

PostPosted: Mon Jan 07, 2008 10:51 pm    Post subject: Reply with quote

carver97 wrote:
Guys, M033 fitted as std on a C2S, what about the C4S? I know my 4S has not had anything done to the dampers in its time, so without any scientific assessment other than it does feel a bit clangy when nipping on, I will be getting things checked & changed soon.

I'd appreciate a bit of help on what really needs checked, springs dampers, bushes whatever.......

Cheers
Neil


Hi Neil, sports chassis was optional on the C4S, M033 standard. Get it checked out, but if it's on it's original set up it's more than likely going to need new dampers and wishbones. The rest of it should be fine.
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Donnington
Donnington


Joined: 31 Dec 2002
Posts: 12733
Location: Nürburgring Nordschleife

2003 Porsche 996 GT3 Mk2

PostPosted: Mon Jan 07, 2008 11:04 pm    Post subject: Reply with quote

Turbo suspension was original on the C4S IIRC.
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993C2S
Zolder


Joined: 05 Aug 2005
Posts: 5996
Location: Berkshire

1997 Porsche 993 Carrera 2S

PostPosted: Mon Jan 07, 2008 11:17 pm    Post subject: Reply with quote

Sundeep wrote:
Turbo suspension was original on the C4S IIRC.


The price list for 1996 I have lists "lowered suspension" as standard fit on the C4S, with "special chassis" listed as a £480 option.
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Donnington
Donnington


Joined: 31 Dec 2002
Posts: 12733
Location: Nürburgring Nordschleife

2003 Porsche 996 GT3 Mk2

PostPosted: Mon Jan 07, 2008 11:55 pm    Post subject: Reply with quote

993C2S wrote:
Sundeep wrote:
Turbo suspension was original on the C4S IIRC.


The price list for 1996 I have lists "lowered suspension" as standard fit on the C4S, with "special chassis" listed as a £480 option.


agree, and we probably looking at that same salmon coloured doc.
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993C2S
Zolder


Joined: 05 Aug 2005
Posts: 5996
Location: Berkshire

1997 Porsche 993 Carrera 2S

PostPosted: Tue Jan 08, 2008 12:11 am    Post subject: Reply with quote

Yep, plus the optional equipment page lists the price quoted above.
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Asim
 
  
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Dr993
Silverstone


Joined: 01 Sep 2005
Posts: 127
Location: Herts


PostPosted: Tue Jan 08, 2008 9:46 am    Post subject: Reply with quote

Good thread this....so it seems there are a number of us who are likely to need wishbones and shocks on our otherwise M033 springed cars. Whats the current recommendation? Seems to be some disagreement as to the Bilstein HD's? Cheers, bob.
 
  
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993C2S
Zolder


Joined: 05 Aug 2005
Posts: 5996
Location: Berkshire

1997 Porsche 993 Carrera 2S

PostPosted: Tue Jan 08, 2008 11:39 am    Post subject: Reply with quote

Bob.Boughtflower wrote:
Good thread this....so it seems there are a number of us who are likely to need wishbones and shocks on our otherwise M033 springed cars. Whats the current recommendation? Seems to be some disagreement as to the Bilstein HD's? Cheers, bob.


Take your pick Bob:

*Keep your M033 springs, replace with Porsche dampers (Monroe)
*Keep your M033 springs, replace with Bilstein HDs
*Replace springs with H&R springs and Bilstein HDs
*Replace springs with M030 springs and M030 Porsche dampers (Monroe)
*Replace springs with M030 springs and Bilstein HDs

or

*Complete H&R suspension kit
*Complete Bilstein PSS9/10 suspension kit
*Complete KW suspension kit

Every one of these options will give you a slightly different set up. Really depends on what you want to achieve.

I wanted an original set up with better quality dampers so the car handles and rides like a new C2S.
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st
Silverstone


Joined: 02 Apr 2006
Posts: 137
Location: sydney

1997 Porsche 993 Carrera 2S

PostPosted: Tue Jan 08, 2008 2:19 pm    Post subject: Reply with quote

woah, pss10s eh? anyone know anything about these?

There's also a set called XTC coilovers that chris harris fitted to his beautiful green machine that has been on youtube / autocar site and are rumoured to be around £6000. I'd say this is a tad expensive.

I think bilstein shocks with mo30 or 33 springs would do the trick nicely if you don't go on the track. Getting it done with gert would also be the most economical. I've got KWs and I think they are overkill if like me you don't track your car. Nice to have, but not necessary for pure road use.
 
  
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993C2S
Zolder


Joined: 05 Aug 2005
Posts: 5996
Location: Berkshire

1997 Porsche 993 Carrera 2S

PostPosted: Tue Jan 08, 2008 2:40 pm    Post subject: Reply with quote

Some info here:

PSS10

I'm sure Bilstein HDs will be fine on track also, but if you're looking to extract every last ounce of performance coilover kits are the way to go.
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carver97
Newbie


Joined: 21 Jun 2003
Posts: 47



PostPosted: Tue Jan 08, 2008 6:29 pm    Post subject: Reply with quote

993C2S wrote:
carver97 wrote:
Guys, M033 fitted as std on a C2S, what about the C4S? I know my 4S has not had anything done to the dampers in its time, so without any scientific assessment other than it does feel a bit clangy when nipping on, I will be getting things checked & changed soon.

I'd appreciate a bit of help on what really needs checked, springs dampers, bushes whatever.......

Cheers
Neil


Hi Neil, sports chassis was optional on the C4S, M033 standard. Get it checked out, but if it's on it's original set up it's more than likely going to need new dampers and wishbones. The rest of it should be fine.


Thanks Asim,
Given your other coments you seem to say Bilstein HDs give the best road set up? which is for me coz I probably won't be on a track......
Neil
 
  
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993C2S
Zolder


Joined: 05 Aug 2005
Posts: 5996
Location: Berkshire

1997 Porsche 993 Carrera 2S

PostPosted: Tue Jan 08, 2008 7:06 pm    Post subject: Reply with quote

Yes, IMHO the HDs are ideal for what you require. Put it this way, after replacing the dampers and wishbones the car will be like it was when new, handling and behaving like it should.

This set up will be fine for track days also, but if you wish to do many track days and get the very best out of the car there are better options available.
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Dooser
Trainee


Joined: 06 Nov 2014
Posts: 84
Location: Aberdeenshire


PostPosted: Mon Mar 07, 2016 12:44 pm    Post subject: Reply with quote

I have a set of 030 to fit to mine, can you use existing dampers or do you need to change them.
I also note that changing the wishbones has appeared from nowhere, are they different lengths for the lowered look?
Cheers,
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GT4
Nordschleife
Nordschleife


Joined: 08 Nov 2008
Posts: 30174
Location: Hertfordshire and Hampshire


PostPosted: Mon Mar 07, 2016 2:12 pm    Post subject: Reply with quote

You will require new shocks if you were previously running M029
 
  
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sam
Monza


Joined: 28 Feb 2009
Posts: 158



PostPosted: Tue Mar 08, 2016 8:52 am    Post subject: Reply with quote

Dooser wrote:
I have a set of 030 to fit to mine, can you use existing dampers or do you need to change them.
I also note that changing the wishbones has appeared from nowhere, are they different lengths for the lowered look?
Cheers,


If you are running original dampers you are almost certainly going to notice a huge improvement in the car's handling if you change them to something like Billy B6's (fast road , light track) because of the deterioration of the old ones (miles and age) plus the originals were basically 20year old technology before they went on the car!! The aftermarket suppliers units are streets ahead of these, and if you use new standard Porsche units, they are still basically the same spec as the originals. In my decision-making process ,I discarded that option as they were not brilliant, even when new. Your wishbones are fine on the usual 5-10mm above RS height, however whilst you are in there get them re-bushed, I used pollys on mine as after you get the old ones out, they are an easy fit, and relatively inexpensive.If your bushes are worn it will be impossible to set the car up properly, therefore a total waste of time and money! One of the most important things though is getting the car set up afterwards by someone who really knows these cars, I used CG, they are brilliant thumbsup
 
  
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