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Porsche Post (April) - Suspension

968er

968er

New member
Just read the April edition and have to pick up on something Maurice has written under the 993 register section.

What he quoted from the Carnewal site is only true for US cars which need the extra thread to bring it down to M030 or RS height. UK cars can fit the standard HD's without the extra thread and run as low as M030 height. A UK car would only require the extra thread if they are looking to drop to RS height.

The Carnewal site is slightly misleading as it is aimed at the US market, take for example prices, the price on the site is purely for delivery to the US. Gert however is very helpful and as I just recently got my HD's and H&R springs from him can definately recommend him. Very good service and answers emails very quickly.

He was the one that explained what I needed to continue running at my lowered height.
 


chees for the info Will....

I'm was already looking to upgrade to the normal HD's with M030 right now [:D]

although with these london roads & endless speed bumps not sure 'much' lower will suit my day to day car !
 
In case anybody doubts what I say, the reason is as follows.

Ride heights

------- ------ ----Standard, ---- ----Standard US, ----M030, ----RS
Front---- 154 +/- 10mm, 174 +/- 10mm, 144 +/- 10mm, 124 +/- 10mm
Rear---- 147 +/- 10mm, 157 +/- 10mm, 127 +/- 10mm, 107 +/- 10mm

So looking at that the US Porsche's must run like a 4x4[:D]

Sorry about the layout, but need to do it as a table but don't know how[:(]
 
Fair point Maurice.

I am letting people know what I was told and that running M033 or H&R springs will allow you to go to M030 height with the standard HD's, and there is still thread left to go lower if I want[:)]
 
I am reading all threads and PP, and taking notes, on the subject of 993 suspension and ride heights and find it all very interesting and informative.

My question is how and where do you measure the ride height? I presume there are specific points from which to take these measurements.

I am sure that Maurice or William will know the answer and can give the details.

Michael
 
For ease, a lot of people use the top of the wheel arch to the ground as a measurement, which doesn't really help with the table of heights I posted earlier[:D]
 
William,

Thanks for your reply. This is the way I thought it could be done and is also the easiest, but as you say it does not relate to the information you posted earlier. It then begs the question can you relate the clearances you gave earlier to the wheel arch measurement?

I suppose alternatively it is to get under the car and measure the clearance at the suspension mounting points and at the same time take the wheel arch measurement. Note the relationship and then work from the wheel arch in future.

Any further thoughts on this would be interesting.


Michael.
 
Micheal,

To run close to M030 height front would be about front 25 1/4" and rear 24 3/4". Just niped outside and did a rough measurement

Hope that helps.
 
William,

Just thought I would follow on from your last as I finally went out and measured my own car, with the following results taken from the wheel arch.

Front 25 3/4" Rear 25 1/4". This equates very closely with the measurements given by 968er, giving my car the standard ride height.

Is M030 a standard ride height on some models, or is it something that has to be asked for when the car is ordered?

I do not need new suspension at the moment, just trying to learn as much as I can in advance about the various options and the benefits/drawbacks they give.

Michael

 
M033 and M030 were options where different springs, dampers and in the case of M030 different ARB were fitted which resulted in a diffrent ride height and handling characteristics.

You say your suspension does not need changed, when was it last replaced as the Monroe/Boge OEM dampers last for only about 30/40k before beginning to go.
 
Noted re M033 and M030. My car is a C4S which as I understood means it has Turbo running gear brakes etc but no turbo. Does this mean that a Turbo is supplied as standard has the same ride height as mine? Or do turbos get the lowered suspension automatically?

Noted that Monroe/Boge OEM dampers last for only about 30/40k before beginning to go. However my car has only just rolled into the 16,000 zone so probably still OK.

I have checked the dampers all round and there are no signs of any leaks. Also in the past when I have had cars where the dampers are shot it is not so difficult to tell that there is a problem. I do not have enough experience with Porsche to say how they might feel with worn dampers, but I don't think I am at that point just yet.

So far there have been no comments at any of the services I have had done. Maybe will go to JZ or similar sometime and get their comments on the suspension.

Thanks very much for all the comments. the more you enquire into these matters the more questions arise and the more interesting it becomes.

Michael






 
Maurice,

Thanks very much for your advice. I read all the 993 PP technical stuff you post and find it very interesting. It would be great if this kind of information could be placed into the 993 Register section of the web site.

I agree that the degredation of dampers is probably slow and therefore difficult to assess at any given moment especially when you are used to the car. Thats why I think you need a second opinion, someone who knows the good and the bad.

You mention ride height measurements should be taken from the designated points. Where are these points? Are they marked in some way?

My car is not my daily driver, so I don't get out every day, but I have doubled the car's mileage while I have owned it! [:)]


Michael
 
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