racer270
05/21/12 06:59 AM | | Quote: |
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Message initially posted by crewchief99:
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Message initially posted by timmj:
Pre-race I made some improvements to bumpsteer, reset caster to 0.75 right and 3.6 left, increased RF camber to 5.6, decreased rear %, and decreased rear stagger to 2.25". Caster and camber in the RF are maxed out to keep the Arm from hitting the shock.
Pre and post race weights 56% cross, 57.6% left, and 46.6% rear
Feature tire temps (25 laps no cautions)
LF 179 174 156 RF 203 206 213
LR 154 172 169 RR 140 195 200
Car was best its been for 5 or 6 laps then pushing and plowing the RF. I was convinced a spring settled or something and jacked up the cross. I was surprised the post race % was the same as the garage.
The car was much improved with the caster changes going in and coming out of the turns. Way easier to hold a line. Still a little loose off but better.
Still need a solution to tighten the car with less cross weight.
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Should that read "reset caster to .75 left and 3.6 right?" |
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your still to high on cross%
the first 5 or 6 laps were good tell the psi & temps came up...
it's pushing , in the middle because of to much cross ,
and too much sway bar..
it's pushing / then it's snapping loose
because you got to much rear stagger..,it will step out , no matter how much cross you add also..
your tire temps show to much air in both rear tires..& the LF...!
you need to pay attention to your tire temps..and drop the cross..& use less sway bar..
and less stagger..
as has been suggested..,
you can then bump stop the LR...for the bite you need coming off...
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