Originally Posted by GPXJOE

hi guys can u please help?

this is the video of my 747.
http://www.youtube.com/watch?v=5VPa2BBnhBA

conditions:
-default set up on all parts except:
-rear tires are 37 shore
-rear tires are 63 mm
-front tires are 60 mm
-shock holes on all 4 shocks are on 4 holes
-ride height is 6.5mm front and 7.5 mm rear
problem:
1. traction roll ( you will hear me say it in the video in the middle part while an MRX5 is chasing me) how do i remove traction roll in that part of the track where it happened CONSIDERING THAT
2. high speed understeer during fast areas like the sweeper after the stretch AND
3. oversteer in the hairpins in the inside of the track

would appreciate some expert advice.more options the better please please please