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YOUR RESEARCHAudi Driver Needs 996 Sway Bar Advice
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They pretty much set the standard for street/occasional track use as far as I can tell.
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If he is only using the car for street, the stock bars are fine.
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I was forwarded to this forum from Audizine.com as folks over there said this is the place to go for Porsche advice.
My wife and I are thinking about buying my father some sway bars for his 2004 996 Porsche 911 Anniv. Edition 996. He currently has H&R sport springs - the thing is dropped and looks MEAN.
My gut is to run out and get the front & rear H&R sways to match the springs. However, I thought I'd get some feedback first to see if anyone has any other good suggestions. Front & Rear both necessary? I don't know much about Porsches in general and the stock characteristics of the handling and what the impacts are of the H&R sport springs. Just want to make sure I'm making the right decision.
Any guidance would be very much appreciated!
I'd be surprised if he doesn't already have a set of H&R sway bars if he's had springs installed. Check it out by looking at the rear bar where it connects to the drop links. If there are three holes then he has H&R bars (or equivalent sport bars). If there's only one connection point then they're probably stock.
I just bought a set of H&R sways used. I haven't tried them on yet but my mate has them on his 996 (as well as Bilstein PSS9) and they're fine. They pretty much set the standard for street/occasional track use as far as I can tell.
A bonus too is that they bolt right up. An alternative is to get GT3 sway bars but then you'll need to get GT3 drop links to mount them up. Sway bars aren't rocket science so I can't see there being any benefit to buying the Porsche bits.
Note that the front H&R sway bar is not adjustable. The rear bar has three positions.
Keep in mind that the 2004 40th Anniversary 911 came from the factory with the M030 sport suspension which has the uprated anti-roll bars from stock. They should be F 23.6 mm, R 19.6 mm.
If he is only using the car for street, the stock bars are fine. If he tracks the car, ROW M030 bars a a good upgrade - they are cheap and bolt right in - no parts needed. HR bars are another option, and like the M030 bars, they bolt in, with no parts needed. GT3 bars are another option, but you will need new drop links up front. We can get you the part numbers if you need.
Here are the sizes:
OEM: front: 23.1, rear: 18.5
ROW M030: front: 23.6, rear: 19.6 [~$500 - no links required]
GT3 front: 26.7, rear: 20.8 [~$1000 with links]
HR = front 26 mm; rear 23 mm [~$750 - no links required]
Sway bars will have little effect on ride harshness, especially now that the car is dropped. Good option for a gift as well.
A few other suggestions of varying prices:
Spacers (~15mm all the way around, hubcentric up front)
Clear side markers
Aluminum pedals
New exhaust tips
X51 oil pan
Short shift kit
New shifter / steering wheel
ECU flash
Sport Exhaust
GT3 seats
Carbon Fiber parts
If your dad is a track junky, try
www.tarett.com
.
I'm sure others may have suggestions as well.
Good luck!
-td
I haven't bolted them up yet Pete. Just picked them up yesterday.
My plan is to get them in next Friday. There's an autocross scheduled for the Sunday following so we'll see how that goes.
The 2004 40th Anniversary 911 already has has the US M030 suspension from the factory. The US M030 and ROW M030 have the SAME anti-roll bar. 9.58% stiffer in front and 24.25% stiffer in rear. The GT3 and H&R bars are even stiffer than that. IIRC the GT3 and H&R bars are similar in stiffness but the GT3s are adjustable front and rear, whereas the H&R are only adjustable in the rear. The GT3s require use of aftermarket drop links. The H&R bar is heavier.
The difference between US and ROW M030 is in the springs and dampers.
There's a PCA Panorama tech article floating around somewhere which goes into great depth about some of the 996 suspension options, "996 Standard and Sport Suspensions Analyzed".
Good catch. I missed the Anniversary part.
For the hardcore track folks, consider the new links Ira makes for the GT3 bar. All the spec boxsters swear by them. I understand a blade sway is also in the works for the 996.
-td
According to an article in Excellence magazine, Tarett Engineering has blade -type anti-roll bars for the 997 GT3, and claim they are 1/2 the weight of the GT3 RSR anti-roll bars. I don't know if they have any for the 996.
The last time I talked to Ira (or Brad Roberts) about this, they were not complete for the 996. I don't think they are legal for SpecBarbie, so the project may be in stall now anyway. But, if you give either of them a call, please let us know if something has changed.
-td
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