okay , try this
[WeaponData2988]
TypeName=mk2020
FullName=mk-2020 LGB
ModelName=mk82
Mass=200.000000
Diameter=0.460000
Length=2.337000
SubsonicDragCoeff=2.000000
SupersonicDragCoeff=2.000000
AttachmentType=USAF,USN
SpecificStationCode=
NationName=
StartYear=1970
EndYear=2020
Availability=0
BaseQuantity=5
Exported=FALSE
ExportStartYear=0
ExportEndYear=0
ExportAvailability=-1
WeaponDataType=1
RailLaunched=FALSE
RocketPod=FALSE
Retarded=FALSE
FinStabilized=FALSE
SpinStabilized=TRUE
HasGrowl=FALSE
EffectClassName=
ReleaseDelay=1.000000
WarheadType=0
Explosives=1000.000000
FusingDistance=2.000000
ClusterBomblets=0
ClusterDispersion=0.000000
GuidanceType=4
Accuracy=100
MaxTurnRate=5.000000
MaxLaunchG=5.000000
LockonChance=40
LaunchReliability=70
ArmingTime=2.000000
SeekerFOV=2.000000
SeekerGimbleLimit=30.000000
SeekerTrackRate=2.000000
SeekerRange=10000.000000
MinLaunchRange=4000.000000
MaxLaunchRange=20000.000000
Duration=70.000000
CounterCountermeasure=0.000000
NoiseRejection=0.000000
CapabilityFlags=0x00100020
LoftAngle=0.000000
DescentAngle=0.000000
MaxLoftAltitude=0.000000
CLmax=2.000000
MinFreq=0.000000
MaxFreq=0.000000
BoosterStart=2.000000
BoosterDuration=3.000000
BoosterAccel=9.000000
BoosterEffectName=
BoosterSoundName= ----< change with the one u have
BoosterNodeName=
BoosterPosition=0.000000,0.000000,0.000000
SustainerDuration=0.000000
SustainerAccel=0.000000
SustainerEffectName=
SustainerSoundName=
SustainerPosition=0.000000,0.000000,0.000000
InFlightEffectName=
InFlightSoundName=
ReleaseAnimationID=-1
EODisplayFlags=0
CEP=0.000000