lmoengnr
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I'm trying to navigate the ADRs which link to UN-ECE Regulation 98 for HID headlamps (the addendum goes into LED lamps) but it's a lot of technical reading. Hopefully i'll get through it and learn a little more of whats required to stay legal but i suspect it wont be possible to stay on the correct side of ADRs.
I have strong doubts that any HID globe placed within a headlight assembly designed for a halogen glode, be it a reflector or projector type, would comply to the regulations if a HID lamp was placed within. And that's even if the owner installed self leveling mechanism, whether acting on the lamp assembly or vehicle, installed washers or whatever. That's because the headlamp asemblies were designed for a different spead of light from the globe and halogen globes are not the same as HID globes in the way they spread light (unless i've missunderstood something technical).
In any case such frankenstien combos are not a 'complied' product combination so technically illegal.
But most would simply install the HIDs and seem more at night and think it's an improvement. Now before you bag me, i wonder how many installed a HID globe on one side, walked down the road, say 50 meters, and then looked back at his vehicle with the HID globe covered. Very simply assessed the halogen light output then had someone uncover the HID globe and cover the Halogen globe to again very simply assess the HID light output and determine if the HID bulb would blind oncoming vehicles. And such simplistic tests are not even close to the complex tests used to determine if light output meets regulation. I'd expect close to nobody would bother walking down the road to assess their 'new' lights as the prevailing attitude seems to be the seller knows best and it must be close enough to legal.
So maybe, i'd think you missed the 4th requirement - certification of the assembly AND globe.
But i'm no prude so if i could establish that a frankenstien HID/halogen projector assembly would meet legal requirements, then i'd be OK with it even if the certification wasn't done... but i have my reservations at the moment that they are even close to being OK.
You're correct on most of those points, they don't comply with ADR's regarding Commodores.
Caprice's and Grange's come with HID's and are compliant.
Most retailers will have fine print somewhere stating "Off road use only".
Regarding the bulb, the 'standard' halogen bulb has the filament at a particular position, 'immersion depth'.
The beam patterns required are formed by the design of the reflector/projector in relation to the point source of light, the filament position.
You'll find the HID lamps designed for the VE's and VF's, with the ballast in the dust cap, will have the same point source immersion depth.
The beam patterns will be the same. It's easy to test. Before I swapped to HID, I tried many halogen bulbs.
I spent a lot of money on bulbs, with varying levels of disappointment. Then went and started to research HID's
The back wall of my garage is bricks, turned the headlights on and used duct tape to mark out the beam cut outs with the standard level.
Now I have a reference point.
Regarding other road users, if they're correctly level, it wont be a problem.
When I first did the Redline, I had my daughter come over so we could swap cars. I wanted to see what it is like for other drivers.
Went for a test drive, we tried as many situations as we could think of, it didn't affect other drivers.
Just some info.