To get more negative camber you will need Porsche Motorsports or GT2/3 lower control arms, this will allow -2-2.5 or more...

 

This is the printout of my car's last/latest alignment; just print and show it to your tuner & he'll understand. The main change from stock is more front neg. camber -- -1.1 is still very conservative, nothing outrageous here.

 

If you are concerned with inside tire wear too much negative camber will accentuate the problem. Just saying...

 

I have alignment settings just off a GT3 (-1 camber etc.) and damptronics recently installed. I had a worked 930 in 89 and really liked the steering a lot. The damptronics and the alignment change made a great difference but I am going for the sways now and AWE exhaust ( I already have the GIAC software ). I want the car to be a little more alive with the handling so that is why the settings on the sways are my next option. Alive to me is a power oversteer feeling -like a 2wd car.

 

Depends on the track, tires etc. IMO You can never really push your car enough on the street to where minor changes are significant, if you do that's called reckless driving in NYS. If you're going to Lightning with R cmpds I would go med fr/rear. A long fast track like Thunderbolt or WGI then full stiff fr/full soft rear, with R cmpds 30/36 hot. A short technical track like LRP or the short configuration at ponono I have run full stiff fr and rear with success (again R cmpds 30/36).
These are all track suggestions, I really don't F with it too much on the street.

 

What does full soft at the rear do to the handling? Seems like it would make it extremely understeer.

 

Soft rear will help with traction a little bit, understeer isn't inherently bad, actually built into the cars from the factory. Some guys will even set the cars up to push as it can be the faster way around a particular track. At any given race there are as many different setups as race cars. Bottom line trust your shop they are the experts and can guide you based on your driving style, experience etc.

 

There are a few things that you coud do to promote or mimic 2WD behavior:

1. Sway bar adjustment: As have been discussed. I could be proven wrong but I do not think this will bring the seemingly significant (?) change that you are looing for. This is the first component installed in my car: tighter steering, less leaning, but it's not a "transformation."
2. Front toe: A well respected member of rennlist's race oriented forum once remarked something to the effect that all his cars have front toe out and if he could, he would have his minivan toe out'ed too. I had slight minus .03 deg toe out; it did give better turn in response, but it also makes steering lighter, not necessarily a good thing w/ the Turbo's over assisted steering feel.
3. Sport button: Directs the PTM to become more rearward bias -- more 2wd behavior. Try for yourself and see if you could detect a difference in steering feel.
4. Rear toe: For safety, I think this had better be left alone in a rear engine car like the 911. Understeer to a certain degree is not a bad thing.

There is a good table that goes over all of these changes here, post 179: https://www.6speedonline.com/forums/...-turbo-12.html . Even tire pressure is mentioned there as a method of adjustment; judiciously I assume. I did a few of these adjustments and learned a lot in the process; the key to me is having a good tuner who listens, and conservative changes and one change, one axle at a time.

I do not know about 930 but you might want to take a look at this and see if my description is what you are looking for: http://www.rennteam.com/forum/thread...ing/page1.html. Some comfort is sacrificed but this is the happiest that I've ever been w/ my car. It does mimic the current 2wd Porsche GT3 pretty well in handling and steering feel.