Suspension tuning to reduce camber sensitivity

[JemHayward]

My 2003 Boxster 3.2s has 18" wheels. It's done 85000 miles. I've had all four suspension control arms replaced, and the alignments are all within spec.

I live in rural Oxfordshire (uk) and the roads are quite rough. The car is very sensitive and follows every rut, camber, and even prominent white lines can be felt as pushing the car around. My daily driver is a diesel Skoda, and on anything other than super smooth wide roads, it's will get me there faster than the Boxster.

I'm not sure where to go next: should I try smaller wheels (I used 16" on my 964) or is this something that can be fixed by suspension alignment, I'd so, what should I alter, and how?

[JFP in PA]

My 2003 Boxster 3.2s has 18" wheels. It's done 85000 miles. I've had all four suspension control arms replaced, and the alignments are all within spec.I live in rural Oxfordshire (uk) and the roads are quite rough. The car is very sensitive and follows every rut, camber, and even prominent white lines can be felt as pushing the car around. My daily driver is a diesel Skoda, and on anything other than super smooth wide roads, it's will get me there faster than the Boxster.I'm not sure where to go next: should I try smaller wheels (I used 16" on my 964) or is this something that can be fixed by suspension alignment, I'd so, what should I alter, and how?

You cannot go too small on the wheels because they will not clear your brakes. I am also not sure the you can dial this out with an alignment, but would suggest talking to a quality alignment shop in your area to see if they can help in any way.

[timbo]

I know exactly what you mean, mine does this when the tyres are worn, new tyres and the problem gies away, how much tread have you left?

[JemHayward]

Tyres are almost new, though I do have different front and rear - Pirelli front, Michelin rear, as the Pirellis are no longer available. However, it was exactly the same with the Pirelli rears - they weren't worn, they were replaced due to damage.

[JemHayward]

My 2003 Boxster 3.2s has 18" wheels. It's done 85000 miles. I've had all four suspension control arms replaced, and the alignments are all within spec.I live in rural Oxfordshire (uk) and the roads are quite rough. The car is very sensitive and follows every rut, camber, and even prominent white lines can be felt as pushing the car around. My daily driver is a diesel Skoda, and on anything other than super smooth wide roads, it's will get me there faster than the Boxster.I'm not sure where to go next: should I try smaller wheels (I used 16" on my 964) or is this something that can be fixed by suspension alignment, I'd so, what should I alter, and how?

You cannot go too small on the wheels because they will not clear your brakes. I am also not sure the you can dial this out with an alignment, but would suggest talking to a quality alignment shop in your area to see if they can help in any way.

> but would suggest talking to a quality alignment shop in your area to see if they can help in any way.

This is part of my problem - the alignment guys say "its within spec"

[RFM]

Use on public roads in poor condition the original standaard wheels and tires with N-coding, be sure that the suspension is in good condition and completely free of any play, and fill the fuel tank completely for alignment. I would the alignment, when in doubt, have it done in an Official Porsche Centre, after all, they always have the correct adjustment data, and if the result should not prove to be good, they must, in consultation with the costumer and to everyone satisfi, solve the problem.

[JemHayward]

At ten years old, even with the new arms, I suspect it won't be completely free of play. Its been aligned by a local Porsche specialist and is in the middle of the Porsche tolerances. I am tempted to try 17" wheels and narrower tyres.

[Duffy3074]

http://www.centregravity.co.uk/

Give this lot a call, they'll get it sorted if anybody can.