LOL
It works now! Big THX !!! (still only interior fuel, it adds missing 4th tank, but now is better ;) )
I think The Game see external tanks, only gouges don't work. I suppose here is the problem (from cocpit.ini of F-105):
...
Instrument[017]=TankFuelGauge1
Instrument[018]=TankFuelGauge2
Instrument[019]=TankFuelGauge3
...
and
...
[TankFuelGauge1]
Type=EXTERNAL_FUEL_QUANTITY_INDICATOR
NodeName=needle_fuel02
ItemNumber=3
MovementType=ROTATION_Y
ValueUnit=LB
Set[01].Position=0.0
Set[01].Value=0.0
Set[02].Position=-104.0
Set[02].Value=3000.0
[TankFuelGauge2]
Type=EXTERNAL_FUEL_QUANTITY_INDICATOR
NodeName=needle_fuel03
ItemNumber=4
MovementType=ROTATION_Y
ValueUnit=LB
Set[01].Position=0.0
Set[01].Value=0.0
Set[02].Position=104.0
Set[02].Value=3000.0
[TankFuelGauge3]
Type=EXTERNAL_FUEL_QUANTITY_INDICATOR
NodeName=needle_fuel04
ItemNumber=5
MovementType=ROTATION_Y
ValueUnit=LB
Set[01].Position=-0.0
Set[01].Value=0.0
Set[02].Position=100.0
Set[02].Value=3000.0
....
And some of my screenies of "Thud":