SpecRacer Ford Hoosier Tire Setup - Updated: 1-27-2016
FRONT
Tire Size: P185/60ZR-13 SRF (46340)
Rim Width: 13"x 5.5"
Base Settings Notes
Cold tire pressure 18 to 19 psi
Hot tire pressure 24 to 26 psi Track Grip / Driver feel dependent
Camber -3.7 to - 4.0 Track Grip / Hot Tire PSI / Turn in rate dependent
Caster +5.5 to +6.5 Driver feel / Rear bump steer dependent
Bar .125" to .500" from full soft Track Grip / Driver feel dependent
Shock 9 to 12 sweeps from full stiff Track Grip / Driver feel dependent
Toe 0 to .04” out per side
Bump Steer .015" to .250" Out per inch of bump
Ride Height 3.25"
Rake 0.25" to .500" Positive / more for slow vs less high speed turns
REAR
Tire Size: P205/60ZR-13 SRF (46350)
Rim Width: 13"x 7.0"
Base Settings Notes
Cold tire pressure 18 to 19 psi
Hot tire pressure 24 to 26 psi Hot 24 to 26 PSI / Track Grip / Driver feel dependent
Camber -3.4 to - 3.7 Track Grip / Hot Tire PSI / Turn in rate dependent
Caster 0 to -1 Driver feel / Rear bump steer dependent
Bar .500" to 1" from full soft Track Grip / Driver feel dependent
Shock 7 to10 from full stiff Track Grip / Driver feel dependent
Toe .04” to .12” in per side Track Grip / more for slow vs high speed turns
Bump Steer .005" to .015" in per inch of bump
Ride Height 3.5" to 3.75"
NOTE: All measurements taken without driver, nose and tail weight.
