996TT Tracl Alignment Spec Recomendations?
996TT Tracl Alignment Spec Recomendations?
Here is what I got: 996TT with about 500 rw hp, Bilstein coilover suspension, lowered about 1.5 in. Running on stock rims with Michelin Pilot Sport Cup tires.
Any suggestions for negative camber, toe and caster? I am agressive driver but dont drive at the limit. Just want something that is not going to snow plow in the turns.
Any and all comments from the seasoned track guys would be greatly appreciated. Thx in advance.
Any suggestions for negative camber, toe and caster? I am agressive driver but dont drive at the limit. Just want something that is not going to snow plow in the turns.
Any and all comments from the seasoned track guys would be greatly appreciated. Thx in advance.
I'll bite: For track running, 2.5 degrees negative camber in the front,
and 2 degrees in the rear. stock toe-in in front and back (tiny amount
in front, and a bit more in the rear).
Joe
http://www.sfrscca.com/solo2/Results...nship/asp.html
and 2 degrees in the rear. stock toe-in in front and back (tiny amount
in front, and a bit more in the rear).
Joe
http://www.sfrscca.com/solo2/Results...nship/asp.html
I've always run between 1.5 & 2.0 negative in Front, and 2.25 - 2.5 in the Rear to fight off the oversteer. At some point it comes down to personal preference. Some people like the oversteer, some like a positive turn-in, and some just want a car that is neutral as possible.
I'd say start around 2.0 F&R and then fine tune it to what feels comfortable for you.
On a side note, if you're running street tires then a comfortable setting may be different than if you run sticky tires. I always found that when I ran sticky tires I wanted LESS negative camber in the rear (2.0 or less). The car would hold real good, but once it broke away it was OVER. With less neg. camber in the back it gives more feedback before it cuts loose.
I'd say start around 2.0 F&R and then fine tune it to what feels comfortable for you.
On a side note, if you're running street tires then a comfortable setting may be different than if you run sticky tires. I always found that when I ran sticky tires I wanted LESS negative camber in the rear (2.0 or less). The car would hold real good, but once it broke away it was OVER. With less neg. camber in the back it gives more feedback before it cuts loose.
I agree and run what Joe does with the tires you have. But this is a track set up for the track with what I consider track tires.
If you are just driving your car on the street just ask the dealer to set the car up more aggressively than stock so you may get -1.5 in the rear.
the MPSC's like and behave best with alot of negative camber.
But remember especially if you are just street driving. You will wear out the insides of your rear tires FAST. I usually flip them side to side several times during their life.
I dont think you are going to dial out understeer with camber settings. This is a suspension issue.
Also the breaking away suddenly is an inate charactistic of an R compound tire vs that of a street tire which is much more communicative before it lets loose. And if you are breaking loose an R compound tire on the street that would be WAY over driving!! The breaking loose refers to track conditions hopefully!
Good luck!!
If you are just driving your car on the street just ask the dealer to set the car up more aggressively than stock so you may get -1.5 in the rear.
the MPSC's like and behave best with alot of negative camber.
But remember especially if you are just street driving. You will wear out the insides of your rear tires FAST. I usually flip them side to side several times during their life.
I dont think you are going to dial out understeer with camber settings. This is a suspension issue.
Also the breaking away suddenly is an inate charactistic of an R compound tire vs that of a street tire which is much more communicative before it lets loose. And if you are breaking loose an R compound tire on the street that would be WAY over driving!! The breaking loose refers to track conditions hopefully!
Good luck!!
Last edited by tom kerr; Feb 25, 2007 at 06:52 PM.
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