installation: 
copy blista2.yft, blista2_hi.yft, blista2.ytd, blista2+hi.ytd to:
openiv\update\x64\dlcpacks\patchday2ng\dlc.rpf\x64\levels\gta5\vehicles.rpf

handling.meta:
openiv\x64w\dlcpacks\spupgrade\dlc\common\data

search for "blista2" and replace the lines:

<handlingName>BLISTA2</handlingName>
      <fMass value="1050.000000" />
      <fInitialDragCoeff value="8.000000" />
      <fPercentSubmerged value="85.000000" />
      <vecCentreOfMassOffset x="0" y="0.050000" z="-0.170000" />
      <vecInertiaMultiplier x="1.200000" y="1.200000" z="1.300000" />
      <fDriveBiasFront value="1.000000" />
      <nInitialDriveGears value="5" />
      <fInitialDriveForce value="0.230000" />
      <fDriveInertia value="1.000000" />
      <fClutchChangeRateScaleUpShift value="1.700000" />
      <fClutchChangeRateScaleDownShift value="1.700000" />
      <fInitialDriveMaxFlatVel value="132.000000" />
      <fBrakeForce value="0.550000" />
      <fBrakeBiasFront value="0.650000" />
      <fHandBrakeForce value="0.400000" />
      <fSteeringLock value="36.000000" />
      <fTractionCurveMax value="2.100000" />
      <fTractionCurveMin value="1.750000" />
      <fTractionCurveLateral value="21.500000" />
      <fTractionSpringDeltaMax value="0.150000" />
      <fLowSpeedTractionLossMult value="0.700000" />
      <fCamberStiffnesss value="0" />
      <fTractionBiasFront value="0.496000" />
      <fTractionLossMult value="1.000000" />
      <fSuspensionForce value="2.400000" />
      <fSuspensionCompDamp value="0.500000" />
      <fSuspensionReboundDamp value="1.400000" />
      <fSuspensionUpperLimit value="0.180000" />
      <fSuspensionLowerLimit value="-0.100000" />
      <fSuspensionRaise value="0" />
      <fSuspensionBiasFront value="0.420000" />
      <fAntiRollBarForce value="1.000000" />
      <fAntiRollBarBiasFront value="0.350000" />
      <fRollCentreHeightFront value="0.160000" />
      <fRollCentreHeightRear value="0.140000" />
      <fCollisionDamageMult value="0.700000" />
      <fWeaponDamageMult value="1.000000" />
      <fDeformationDamageMult value="0.700000" />
      <fEngineDamageMult value="1.500000" />
      <fPetrolTankVolume value="65.000000" />
      <fOilVolume value="5.000000" />
      <fSeatOffsetDistX value="0" />
      <fSeatOffsetDistY value="-0.250000" />
      <fSeatOffsetDistZ value="0.000000" />
      <nMonetaryValue value="35000" />
      <strModelFlags>440010</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>
  </HandlingData>
</CHandlingDataMgr>