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Under the floor there is enough room to place
a second fuel tank and as most of the tanks in the early Falcon commercial
range are the same size this makes the chances of finding one fairly good.
There are 2 basic types the ones fitted to the XK-XP range and the ones
fitted to the XR - XY range the latter having the filler inlet on the opposite
side of the tank to the former. This makes the tanks ideal to be fitted
to either; range XR - XY tank in to XK - XP and vice-versa. There is however
one slight problem in that the diameters of the filler inlets are slightly
different in each model, the XR - XY being slightly larger. |
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The XP filler neck left and
the pre XP filler neck right.
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The tank-fixing strap will also have to be
fitted along with the front tank support in the XK - XP. The easiest way
to fit the rear anchor points is to puncture the floor in the appropriate
place in the vehicle from underneath then push in the anchor points and
weld from below.
The front anchor points can be welded directly to the floor from inside
the cab. It will also be necessary to fit a 100mm high bracket to support
the front of the tank in the same way the original tank is supported. |
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The XP filler hose left and
the pre XP filler hose right.
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There will also be a requirement to obtain
a donor filler cap housing that will need to be fitted to the driver's
side of the vehicle and should be in a matching position to the original
one on the passenger's side, simply measure down and back from the cab
to the centre of the filler hole on the original filler cap hole and transfer
those measurements to the driver's side. It's much easier to weld the
donor filler cap area as a circular section rather than a square section
as there will be more even heat distribution causing less distortion during
welding of a circle without the build-up of heat in the corners of a square.
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The Donnor Section marked ready for
cutting
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vehicle there may be some differences in the neck of the filler inlet and
the rubber connecting hose. Likewise the way you alter the tank inlet to
match the filler diameter. One way is to weld a reducing section into the
tank inlet the other is to relocate the inlet section from one side of the
tank to the other. Either way if you are welding
the Fuel Tank fill the tank with water to about ¾ full leaving a small air
pocket below the welding area. |
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The weld of the Donnor Section as
seen inside
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| Cutting lines for the swapping sides filler
option |
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Reducing the diameter of the XR -
XY filler
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