Does this mean anything to you - The rear spring rate is 160lbs , front springs 225 lbs .The total weight with a driver is 1048.5, left front 322.0 right front 252.5, left rear 240.5, right rear 233.5. Front weight 574.5 -54.79%, rear 474 - 45.21%, left 562.5 - 53.65%, right 486 - 46.35%, lf/rr 555.5 - 52.98%, rf/lr 493 - 47.02%, r bite 7 . The slicks were 18 psi , front tyres 35psi