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Look in a gregories manual at the factory specs. This is how it's done. Mark the centre of each headlight on a wall, back the car up 3.5m and aim the headlights so the centre of the main beam is 22mm lower than the centre of the lens. This is the factory standard adjustment and should be OK.
centre of lens
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Centre of main beam
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XF died, Now It's a 6-cyl Cortina!
Rear ended 3 times, 4 close calls.
All while I was stationary, still counting the idiots..
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