Install  
Extract the handling.meta to your desktop open it in notepad then 
go you edit then find type futo then my handling line with yours 
 \mods\update\update.rpf\common\data    


</Item>
    <Item type="CHandlingData">
      <handlingName>FUTO</handlingName>
      <fMass value="900.000000" />
      <fInitialDragCoeff value="6.500000" />
      <fPercentSubmerged value="85.000000" />
      <vecCentreOfMassOffset x="0.000000" y="0.000000" z="0.000000" />
      <vecInertiaMultiplier x="1.200000" y="1.200000" z="1.600000" />
      <fDriveBiasFront value="0.000000" />
      <nInitialDriveGears value="5" />
      <fInitialDriveForce value="0.290000" />
      <fDriveInertia value="1.000000" />
      <fClutchChangeRateScaleUpShift value="1.600000" />
      <fClutchChangeRateScaleDownShift value="1.600000" />
      <fInitialDriveMaxFlatVel value="135.000000" />
      <fBrakeForce value="0.500000" />
      <fBrakeBiasFront value="0.550000" />
      <fHandBrakeForce value="1.200000" />
      <fSteeringLock value="50.000000" />
      <fTractionCurveMax value="2.050000" />
      <fTractionCurveMin value="1.750000" />
      <fTractionCurveLateral value="20.500000" />
      <fTractionSpringDeltaMax value="0.150000" />
      <fLowSpeedTractionLossMult value="1.000000" />
      <fCamberStiffnesss value="0.000000" />
      <fTractionBiasFront value="0.500000" />
      <fTractionLossMult value="1.000000" />
      <fSuspensionForce value="2.70000" />
      <fSuspensionCompDamp value="1.500000" />
      <fSuspensionReboundDamp value="2.200000" />
      <fSuspensionUpperLimit value="0.050000" />
      <fSuspensionLowerLimit value="-0.090000" />
      <fSuspensionRaise value="-0.0300000" />
      <fSuspensionBiasFront value="0.500000" />
      <fAntiRollBarForce value="0.600000" />
      <fAntiRollBarBiasFront value="0.650000" />
      <fRollCentreHeightFront value="0.330000" />
      <fRollCentreHeightRear value="0.330000" />
      <fCollisionDamageMult value="1.000000" />
      <fWeaponDamageMult value="1.000000" />
      <fDeformationDamageMult value="0.800000" />
      <fEngineDamageMult value="1.500000" />
      <fPetrolTankVolume value="65.000000" />
      <fOilVolume value="5.000000" />
      <fSeatOffsetDistX value="0.000000" />
      <fSeatOffsetDistY value="0.000000" />
      <fSeatOffsetDistZ value="0.100000" />
      <nMonetaryValue value="100000" />
      <strModelFlags>440010</strModelFlags>
      <strHandlingFlags>1</strHandlingFlags>
      <strDamageFlags>0</strDamageFlags>
      <AIHandling>SPORTS_CAR</AIHandling>
      <SubHandlingData>
        <Item type="CCarHandlingData">
          <fBackEndPopUpCarImpulseMult value="0.100000" />
          <fBackEndPopUpBuildingImpulseMult value="0.030000" />
          <fBackEndPopUpMaxDeltaSpeed value="0.600000" />
        </Item>
        <Item type="NULL" />
        <Item type="NULL" />
      </SubHandlingData>
    </Item>
    <Item type="CHandlingData">
      <handlingName>FUSILADE</handlingName>
      <fMass value="1500.000000" />
      <fInitialDragCoeff value="9.000000" />
      <fPercentSubmerged value="85.000000" />
      <vecCentreOfMassOffset x="0.000000" y="0.000000" z="0.000000" />
      <vecInertiaMultiplier x="1.000000" y="1.700000" z="1.700000" />
      <fDriveBiasFront value="0.000000" />
      <nInitialDriveGears value="6" />
      <fInitialDriveForce value="0.320000" />
      <fDriveInertia value="1.000000" />
      <fClutchChangeRateScaleUpShift value="2.100000" />
      <fClutchChangeRateScaleDownShift value="2.100000" />
      <fInitialDriveMaxFlatVel value="149.000000" />
      <fBrakeForce value="0.900000" />
      <fBrakeBiasFront value="0.425000" />
      <fHandBrakeForce value="0.600000" />
      <fSteeringLock value="38.000000" />
      <fTractionCurveMax value="2.450000" />
      <fTractionCurveMin value="2.200000" />
      <fTractionCurveLateral value="22.500000" />
      <fTractionSpringDeltaMax value="0.150000" />
      <fLowSpeedTractionLossMult value="1.000000" />
      <fCamberStiffnesss value="0.000000" />
      <fTractionBiasFront value="0.487000" />
      <fTractionLossMult value="1.000000" />
      <fSuspensionForce value="2.100000" />
      <fSuspensionCompDamp value="1.200000" />
      <fSuspensionReboundDamp value="2.400000" />
      <fSuspensionUpperLimit value="0.050000" />
      <fSuspensionLowerLimit value="-0.100000" />
      <fSuspensionRaise value="0.000000" />
      <fSuspensionBiasFront value="0.500000" />
      <fAntiRollBarForce value="0.500000" />
      <fAntiRollBarBiasFront value="0.650000" />
      <fRollCentreHeightFront value="0.070000" />
      <fRollCentreHeightRear value="0.080000" />
      <fCollisionDamageMult value="0.700000" />
      <fWeaponDamageMult value="1.000000" />
      <fDeformationDamageMult value="0.500000" />
      <fEngineDamageMult value="1.500000" />
      <fPetrolTankVolume value="65.000000" />
      <fOilVolume value="5.000000" />
      <fSeatOffsetDistX value="0.000000" />
      <fSeatOffsetDistY value="0.000000" />
      <fSeatOffsetDistZ value="0.000000" />
      <nMonetaryValue value="35000" />
      <strModelFlags>400010</strModelFlags>
      <strHandlingFlags>0</strHandlingFlags>
      <strDamageFlags>0</strDamageFlags>
      <AIHandling>AVERAGE</AIHandling>
      <SubHandlingData>
        <Item type="CCarHandlingData">
          <fBackEndPopUpCarImpulseMult value="0.100000" />
          <fBackEndPopUpBuildingImpulseMult value="0.030000" />
          <fBackEndPopUpMaxDeltaSpeed value="0.600000" />
        </Item>
        <Item type="NULL" />
        <Item type="NULL" />
      </SubHandlingData>
    </Item>
plz like my 5 mods page so i can make more mods 