Some new comp tires from Toyo
Some new comp tires from Toyo
It has Porsche OEM 235/295 setup in 19's as well as 245/305's in 18's. Here is the link..
http://www.toyo.com/docs/tires/tires...category=sport
Dave
http://www.toyo.com/docs/tires/tires...category=sport
Dave
To proper run these tires and even the Michelin Pilot Sport Cups on the track you need at least -2 degree camber or more. The stock 997S camber setting will chew the outside of the fronts right up at the track. The most you can get on a stock 997S is -1 degrees camber unless you invest $1500 into GT3 control arms. I might do just that on my next car in 2009 but running on the street with -2 degrees camber has me concerned about highway wet traction and wearing out the inside of the fronts fast.
mdrums... Great info. All of you, I know it's kind of redneck/gangster, but I'm kind of thinking about keeping with my Avus 20s and trying to make a really good compromise car. I'll probably start another thread about it, but as it applies to this thread, I wonder if someone makes a decent track tire for the 20s. Know of anything?
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My S2000 alignment is -1.7F -2.6R
No crazy wear since I'm usually driving it pretty hard.
My C2S has the stock alignment and the corners are worn completely off.
I've read that the GT3 control arms give you greater adjustability - does anyone know how much more negative camber you get from lowering the car?
I'm thinking of some kind of mild lowering via either the Bilsteins compatible w/ PASM or some springs. I know - springs kill shocks, etc... but it will probably be a temporary deal anyways.
If I keep the car long term I might then go nuts and get some Motons or JRZs or whatever the optimal shock/spring setup is.
As far as 20s are concerned - I think the $$$ you save by getting some 18s will likely pay for itself rather quickly.
18s are pretty cheap. 20s (if they exist) will be serious dough and likely slower than a decent 18" setup. Not only that - there aren't that many track options for 19s much less 20s.
No crazy wear since I'm usually driving it pretty hard.
My C2S has the stock alignment and the corners are worn completely off.

I've read that the GT3 control arms give you greater adjustability - does anyone know how much more negative camber you get from lowering the car?
I'm thinking of some kind of mild lowering via either the Bilsteins compatible w/ PASM or some springs. I know - springs kill shocks, etc... but it will probably be a temporary deal anyways.
If I keep the car long term I might then go nuts and get some Motons or JRZs or whatever the optimal shock/spring setup is.
As far as 20s are concerned - I think the $$$ you save by getting some 18s will likely pay for itself rather quickly.
18s are pretty cheap. 20s (if they exist) will be serious dough and likely slower than a decent 18" setup. Not only that - there aren't that many track options for 19s much less 20s.
Last edited by lig; Sep 1, 2007 at 11:11 AM.
To proper run these tires and even the Michelin Pilot Sport Cups on the track you need at least -2 degree camber or more. The stock 997S camber setting will chew the outside of the fronts right up at the track. The most you can get on a stock 997S is -1 degrees camber unless you invest $1500 into GT3 control arms. I might do just that on my next car in 2009 but running on the street with -2 degrees camber has me concerned about highway wet traction and wearing out the inside of the fronts fast.
Toyo RA1's also require the same amount of camber...I put these out there for those that are tracking and don't mind the GT3 FCA's than these could be a great tire. With a tread rating of 100 they won't last very long..
Dave
lig, I hear and do not know from experience that lowering the car on springs will give you around -1.5 degrees of front camber. However there are a few posts out there of failed PASM shocks due to lowering and useing the car on the track.
I have really been thinking this track wheel and tire issue over for a few weeks. I think I will stick to street tires like the Michelin PS2 and so forth. I can not find any so called cheap wheels that will be safe and strong on the track. The 18" wheels I have found will cost anywhere from $2700-3000 plus I will need another $1300-1400 for tires.
If I had a Boxter or Cayman or Vette track tires and wheels would be so much eaiser and cheaper! But I do not fit in a Boxter or Cayman..to tall!
I have really been thinking this track wheel and tire issue over for a few weeks. I think I will stick to street tires like the Michelin PS2 and so forth. I can not find any so called cheap wheels that will be safe and strong on the track. The 18" wheels I have found will cost anywhere from $2700-3000 plus I will need another $1300-1400 for tires.
If I had a Boxter or Cayman or Vette track tires and wheels would be so much eaiser and cheaper! But I do not fit in a Boxter or Cayman..to tall!
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