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Prolly wrong area to ask, but on an R33 there are hex-like things that stick out of the headlights (when you pop the bonnet and look at them from behind)

Middle top and bottom ones do low-beam, and the ones towards the middle of the car (behind the highbeams) do the highbeams.

Line up at your local mall carpark, on a nice flat level... park a reasonable distance from the wall. (say, about the amount of distance you would leave when following someone at 60-80kmh) and then get your 8 or 10mm socket and ratchet onto those hex's, and start winding until your headlights just register on the bottom of the wall. Any higher, and you start blinding people. (and you will have me return the favour if I see you!)

Don't wind for ages in any one direction. Check where the cups are in relation to the headlight assembly. You *CAN* accidentally wind them so far that they start denting into the black assembly parts... so check them occasionally (when they're off!) with a torch.

Take a towel with you, and cover one light while you adjust, so you can see the effects of each adjustment to each headlight.

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also check how firm the clamps are on your bulbs. when i first got my 33 the lights were super low. i sat there and wound those adjusters for years and it didn't make a difference. then i opened up the back of the light and i could move the bulb about 4mm. i just bent the little metal bit so it was firmer and they were heaps better, then i had to undo all my winding to get them back to normal.

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