All Things Mk5 > Performance Modifications
What is best for Neg Camber?
fuscobal:
I've got PSS16 lowered about 1" from stock wich isn't much at all and the TT-arms gave me -2.3deg wich gave me great results on my last track day at Hungaroring. Problem is, I also switched to semi-slicks so I can't tell how much of the improvement came from the tires and how much from the arms !
KleinAberFein:
--- Quote from: fuscobal on October 19, 2010, 07:36:57 pm ---I've got PSS16 lowered about 1" from stock wich isn't much at all and the TT-arms gave me -2.3deg wich gave me great results on my last track day at Hungaroring. Problem is, I also switched to semi-slicks so I can't tell how much of the improvement came from the tires and how much from the arms !
--- End quote ---
If you have your track tires on different wheels, maybe next time bring your street wheels and time some laps with those. I have found it is nice to feel and know what modifications have what effekt. I have usually only modified a small bit at a time on my previous car. Only so can see what the difference was. I have friends who modify so much at once. Car is handling nice but they do not know what part affects what thing. I think it is a lost chance to learn about the suspension and the modification.
What semi-slicks did you have? What were your tire pressure? Have you drive semi-slick tire before?
RedRobin:
--- Quote from: KleinAberFein on October 25, 2010, 11:45:13 am ---
I have found it is nice to feel and know what modifications have what effect. I have usually only modified a small bit at a time on my previous car. Only so can see what the difference was. I have friends who modify so much at once. Car is handling nice but they do not know what part affects what thing. I think it is a lost chance to learn about the suspension and the modification.
--- End quote ---
....I wholeheartedly agree. It's very helpful to feel and so understand what's going on. :happy2:
Also, if you happen to get a problem it's easier to find it.
fuscobal:
I had the street tires on the previous session but they were GY asymmetric on 235/35/19 . The semislicks are Kumho V70a K90 (hard compound). The only other mod I did was the TT arms wich gave me more cmaber and the time difference was huge : from 2'29" to 2'18" (11 seconds faster) ! The tire pressures were about 2.2-2.3 bar (cold pressures) ! In the first session, they went up to 3.2 bar because over the night there were close to 0 deg celsius and then I warmed them up suddenly. I set them again to 2.2-2.3bar and they didn't go up again in the following sessions more than 2.4bar !...and no, I haven't used semi-slicks before !
KleinAberFein:
--- Quote from: fuscobal on October 25, 2010, 04:00:07 pm ---I had the street tires on the previous session but they were GY asymmetric on 235/35/19 . The semislicks are Kumho V70a K90 (hard compound). The only other mod I did was the TT arms wich gave me more cmaber and the time difference was huge : from 2'29" to 2'18" (11 seconds faster) ! The tire pressures were about 2.2-2.3 bar (cold pressures) ! In the first session, they went up to 3.2 bar because over the night there were close to 0 deg celsius and then I warmed them up suddenly. I set them again to 2.2-2.3bar and they didn't go up again in the following sessions more than 2.4bar !...and no, I haven't used semi-slicks before !
--- End quote ---
So are you saying you tried the new arms with more camber with the Goodyear tires? Then you tried the semislicks? I am just trying to see what sort of time improvements you are having only from the more neg camber. Then see how much time is improved by using the slicks.
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