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C4-STORM
Nürburgring


Joined: 29 Aug 2017
Posts: 396
Location: Hampshire

2004 Porsche 996 Carrera 4S

PostPosted: Thu Jan 04, 2018 6:13 pm    Post subject: Reply with quote

Norfolk & Idea wrote:
I've read this thread (and similar) with interest as It's something I like the look of. But I'm often told to leave well alone as it messes up the cars handling.
I even read in the last Total911 mag that lowering the suspension can cause 'snap over steer' so leave well alone. They were referring to the GT3 during track use. Perhaps if you're not pushing on it doesn't matter but I'd like to leave all settings optimum.


I can certainly give feedback on these comments once I have fitted all items.

I too read various other forum threads and there seems to be mixed feedback. Mainly why I opted for quality components..
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Phil 997
Shanghai
Shanghai


Joined: 05 Dec 2015
Posts: 11376
Location: Bournemouth,Dorset

2009 Porsche 997 Carrera 4S

PostPosted: Thu Jan 04, 2018 6:16 pm    Post subject: Reply with quote

Norfolk & Idea wrote:
I've read this thread (and similar) with interest as It's something I like the look of. But I'm often told to leave well alone as it messes up the cars handling.
I even read in the last Total911 mag that lowering the suspension can cause 'snap over steer' so leave well alone. They were referring to the GT3 during track use. Perhaps if you're not pushing on it doesn't matter but I'd like to leave all settings optimum.


I guess as we are only lowering our cars to somewhere close to a stock GT3 we are not going beyond the limits ,whereas lowering a GT3 still further may take it beyond the optimum and affect the handling as you say. I can only say from my own experience of having lowered gen1 and gen2 cars that I found a considrable improvement in handling and combined with new OE or semi solid engine mounts they sit low and flat into bends and are a further improvement. but neither springs or mounts are exceeding the gt3 stock set up.
But you have raised a good discussion point and I would be interested to hear from any GT3 owners who might have further lowered etc their cars as to how they found the handling. Thumb
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EGTE
Montreal


Joined: 06 Jul 2015
Posts: 621



PostPosted: Thu Jan 04, 2018 7:31 pm    Post subject: Reply with quote

I think they mean that GT3 height is as low as you should go? Any lower risks hitting bump stops/bottoming out.
 
  
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Marky911
Suzuka


Joined: 04 Jun 2009
Posts: 1229



PostPosted: Thu Jan 04, 2018 8:28 pm    Post subject: Reply with quote

Yeah

Any shorter spring with a standard shock is a compromise as we all know.
That's how my car currently runs but it's not the proper way of doing it as your standard shock is already using 25/30mm of its travel before it even has to do anything.

You can get away with the above if your shocks are in good condition and for road driving with a decent geo it's okay, but just okay.

A proper suspension kit is far better as it will have the shocks to match the shorter springs. Coilovers are the proper solution but they are very expensive for proper ones. I class proper ones as items from the big players such as Ohlins, KW, Bilstein, Exe-tc.

That's what I'm waiting for. For now though I'm on -30mm springs on factory M030 dampers that have done 75k miles. It's adequate but nothing more.

Thumb
 
  
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skinny_monkey
Spa-Francorchamps


Joined: 16 Sep 2014
Posts: 328



PostPosted: Thu Jan 04, 2018 9:37 pm    Post subject: Reply with quote

C4-STORM wrote:
skinny_monkey wrote:
how much of a job is it to change from bolts to studs?


Easy! The H&R studs have an allen key fitment and are also supplied with thread lock on the short thread which turns into the hub. Remove bolts to take wheel off and then turn the studs into the hub and locate spacer/wheel thereafter. Must say studs look a lot neater than bolts as the nut sits flush. Seems more of a thorough job to use studs with spacers and the fronts match the rears which have the push-through studs already fitted.
Again, will post some more pics shortly mate Thumb


Ahh ok I didn't realise they bolted in from the wheel side. Very Easy then!! Smile
I thought they would have come through from the inside (As in, hubs off first)
 
  
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C4-STORM
Nürburgring


Joined: 29 Aug 2017
Posts: 396
Location: Hampshire

2004 Porsche 996 Carrera 4S

PostPosted: Thu Jan 04, 2018 10:54 pm    Post subject: Reply with quote

skinny_monkey wrote:
C4-STORM wrote:
skinny_monkey wrote:
how much of a job is it to change from bolts to studs?


Easy! The H&R studs have an allen key fitment and are also supplied with thread lock on the short thread which turns into the hub. Remove bolts to take wheel off and then turn the studs into the hub and locate spacer/wheel thereafter. Must say studs look a lot neater than bolts as the nut sits flush. Seems more of a thorough job to use studs with spacers and the fronts match the rears which have the push-through studs already fitted.
Again, will post some more pics shortly mate Thumb


Ahh ok I didn't realise they bolted in from the wheel side. Very Easy then!! Smile
I thought they would have come through from the inside (As in, hubs off first)


Most of the floating collars on my wheel bolts where corroded anyway so I used the best 10 to bolt the rear spacers on with Wink
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C4-STORM
Nürburgring


Joined: 29 Aug 2017
Posts: 396
Location: Hampshire

2004 Porsche 996 Carrera 4S

PostPosted: Fri Jan 05, 2018 12:21 am    Post subject: Reply with quote

Not a great shot but gives an idea. Personally I think 7mm at the front is enough. The rears look as though tyres will rub arches when lowered but as Phil said hopefully the drop will cause a bit of camber to tuck the tyres in a bit. There is no rubbing at all with the standard ride height..

EDIT - PIC Damn Smart Phone!! Okay now Phil Thumb
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Phil 997
Shanghai
Shanghai


Joined: 05 Dec 2015
Posts: 11376
Location: Bournemouth,Dorset

2009 Porsche 997 Carrera 4S

PostPosted: Fri Jan 05, 2018 9:34 am    Post subject: Reply with quote

Hard to tell from that pic but I think your right on the fronts lookforward to seeing it on Sunday morning mate Thumb
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C4-STORM
Nürburgring


Joined: 29 Aug 2017
Posts: 396
Location: Hampshire

2004 Porsche 996 Carrera 4S

PostPosted: Fri Jan 05, 2018 10:44 am    Post subject: Reply with quote

Phil 997 wrote:
Hard to tell from that pic but I think your right on the fronts lookforward to seeing it on Sunday morning mate Thumb


Useless phone pic! Have re-edited Thumb
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C4-STORM
Nürburgring


Joined: 29 Aug 2017
Posts: 396
Location: Hampshire

2004 Porsche 996 Carrera 4S

PostPosted: Fri Jan 05, 2018 10:53 am    Post subject: Reply with quote

Best before and after I can find for now (flipped image)..
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galahad
Trainee


Joined: 06 Sep 2016
Posts: 94



PostPosted: Tue Jan 09, 2018 11:23 am    Post subject: Reply with quote

May I ask what the springs and spacers cost? (PM me if you prefer).

Looks good. How does it drive? Did you notice a difference with just the spacers and then more with the springs too?

Just bought four new tyres for mine, so spacers and springs may be next on the list (after a 997 GT3 shifter)
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C4-STORM
Nürburgring


Joined: 29 Aug 2017
Posts: 396
Location: Hampshire

2004 Porsche 996 Carrera 4S

PostPosted: Tue Jan 09, 2018 10:45 pm    Post subject: Reply with quote

galahad wrote:
May I ask what the springs and spacers cost? (PM me if you prefer).

Looks good. How does it drive? Did you notice a difference with just the spacers and then more with the springs too?

Just bought four new tyres for mine, so spacers and springs may be next on the list (after a 997 GT3 shifter)


Quite expensive for basic items - €911 all in (coincidentally!)
The spacers were quite pricey compared to the usual examples found online - similar in price to H&R but I have to say they are extremely well engineered.
I haven't fitted the springs yet and I have an issue with my nsr tyre so at the moment if I am honest it drives like a sack of ***** Mad
Order of items will be:
Fit springs
Replace all tyres hoping to go for michelins
Wheels balanced and full wheel alignment
I will update the thread once I have finished but I totally agree with Marky911's comments regarding shocks/springs. I've tried to go the best quality/budget route if that makes sense thumbsup
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