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Subject With full soft front, full tight rear bars and my dampers
     
Posted by Zster (Big Red) on December 08, 2004 at 2:35 PM
  This message has been viewed 81 times.
     
In Reply To yes, I want the rear to be as stiff as possible posted by Luke@tirerack on December 08, 2004 at 12:13 PM
     
Message set up similarly, my car still understeers too much, with those 265 dunlops all around. I've out grown the tires in one track day, unfortunately they have a very soft sidewall (seems notorious for dunlop).... At least I can get the car to trail brake now without missing apexes....

I even changed tire pressures to make the car a bit more tail happy, still not quite enough for a big track.

I need a rear strut bar and hopefully the roll bar will help if it ever goes in....

Luke, any suggestions on tire pressures for those 265 dunlop SP races? I was trying between 30psi and 50psi hot, the tire was literally 1/2-1inch off the outer rim lip in corners, the photographers pulled me aside to show me this..... Thats why I went so much higher pressure to make the tire stay on the wheel, still rolling the sidewall badly. I was pushing them, but not as hard as I would have liked.... With -3 camber in front I still traumatized the outsides of the tires and had a right triangle wear pattern with outsides (towards body) much more worn and insides of the same tread blocks (towards engine) being less worn, with 0 static toe on the front. Like this:

outside /_ /_ /_ /_ / inside
(feathered edge)

I want to try full slicks, I'm getting too fast for the car. Never thought I'd say that.....

Cheers,

Salah
Aztec Red 300ZX Twin Turbo

     
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