GTi headlights some project ideas.

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JWC
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GTi headlights some project ideas.

Post by JWC »

Does anyone know how the GTi lights differ from the Mk5 lights? I can see that it has a projector, presumably, this is self leveling for the gas units. Does anyone know if the whole assembly fits in the mk5 or if there are any changes that need to be made?

I tried H7 xenons, but they are far too bright coming form such a large assembly, you can't drive on the road with that. I thought about the angel eyes units, but I don't know what sort if quality it would be

see http://www.storm-force.co.uk/fkdlighting7.htm

I'm not even sure if they are range controllable, I suspect they would be fixed which is no good, xenon need to be self leveling (easy to do with a pic micro controller and a few bits) I can always get a student to do it for a project!
kapur
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Post by kapur »

U can get a kit from hella, and retro fit propa xenons (Gas discharge bulbs).

My brother done it in his bora. Was the brightest conversation i'd ever seen, cuz it was projected, and the lens was also transparent!
zahir_213
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Post by zahir_213 »

how much did that set him back?
wul3er
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Post by wul3er »

I think the angel eyes would look really good, Thats what i'd buy if i had the money.
JWC
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Post by JWC »

kapur wrote:U can get a kit from hella, and retro fit propa xenons (Gas discharge bulbs).

My brother done it in his bora. Was the brightest conversation i'd ever seen, cuz it was projected, and the lens was also transparent!
My bulbs are Gas discharge, My point was that fitting them in the standard headlight is a no no, because its far too bright.
JWC
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Post by JWC »

Note from FX:

1)yes they are RHD and LHD will be available within the next couple of months
2)yes low beam is h7 illumination
3)you can purchase angels in elec. or manual format.

availability at the momemt is low as demand is high,expected deliverty times on your model august hope this helps.

So it looks like they are better than I had hoped. Anyone tried them?
kapur
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Post by kapur »

as far as i'm aware, you cant stick gas discharge bulbs in a normal unit.

Thats y it cost him over £500 per side for the xenon PROPER gas discharge conversion!

it's impossible to stick a gas discharge bulb in a halogen unit.
JWC
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Post by JWC »

kapur wrote:as far as i'm aware, you cant stick gas discharge bulbs in a normal unit.

Thats y it cost him over £500 per side for the xenon PROPER gas discharge conversion!

it's impossible to stick a gas discharge bulb in a halogen unit.
Mine cost 300 https://sslrelay.com/s74326199.oneandon ... shopscript

I can assure you they are genuine Metal Halide Discharge Bulbs. Using the same DS2 type envelope as The TT, BMW, and VW. Only the mounting is different. They also require a ballast unit per side and modification to the housing. They produce 23,000 Volts on startup and run at 35W per side at 70V - 90V AC. So you see, were not p***ng about here.

The problems are that to be legal, they must by law be self leveling. Even so that doesn't guarantee that they are legal. They produce easily 3 times the light that a halogen bulb delivers at substantially higher color temperature, no halogen lookalike can even come close. Its like driving with daylight infront of you.

As I said, in a normal reflector designed for halogen there are several problems with this type of upgrade.

1) Light scatter is all over the place, scatter from the halogen is allowable, but from the xenon it is very bright.
2) Focussing is destroyed, because the envelope that emits light is much larger than the original fillament, so because its not a point source it goes fuzzy and shine where it shouldn't
3) Its 6000k colour makes it obvious that its illegal if your driving a car that is pre 2000.

points 1 and 2 can be overcome using a projector type headlight, because it doesn't rely on reflection for focus, it uses a lense. This is why all but early mercedes and volvo HID headlights use this type of headlight.

The Polo GTi also uses a different assembly to the other models, for the reasons I have posted. Now that I have the HIDs the only realistic option is to either obtain the proper GTi assembly, or go for another assembly that works in the same way. The Angel-Eyes headlight conversion is the best I have come up with. Costing 200 Quid this brings the total conversion up to £600.

Now you see my point. Is - it - worth - it !? [at least you get a funky angel eye light as well] but I don't think I like the GTi headlights as much as the other mk5's, it looks like something from the matrix!
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headlight

Post by sorted »

^^ what that man said :?: :!: :?:
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Post by polo2k »

in responce to the above i beleve that there may be a problem woth your kit i have pm`d you regarding this and i can assure you that i can reduce the scatter to an acceptable leval. i personally use the H7 8000K kit in my mk5 and after a little tweeking i beleve i know what your problem is. the gti headlights require different wireing and some form of control for the self levaling
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Post by polo2k »

FYI the standard headlights are £178
ignitor/ballast £250
bulb £175
for one side
so about £1200 for the whole lighting system
the above prices are approximate dealer prices including vat but excluding delivery.
the law states that the lights at the front must project a white light. The 8000K kit is still concidered as a white light so as such legally they are ok.
I have spoken to Martyn and he has confirmed this
Again i shall give you my contact number it is 07979 985 543 call any time or text, also ill be at tatton park on sunday on the dub-club, up north stand.
JWC
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Post by JWC »

polo2k wrote:FYI the standard headlights are £178
ignitor/ballast £250
bulb £175
for one side
so about £1200 for the whole lighting system
the above prices are approximate dealer prices including vat but excluding delivery.
the law states that the lights at the front must project a white light. The 8000K kit is still concidered as a white light so as such legally they are ok.
I have spoken to Martyn and he has confirmed this
Again i shall give you my contact number it is 07979 985 543 call any time or text, also ill be at tatton park on sunday on the dub-club, up north stand.
Actually, since a law suit with BMW 6000k is the limit on uk imports. This may or may not apply to retrofit kits. I read that it needs to be self leveling and have a washing mechanism, but on further inspection, the EU directive requires both, but in the uk, only leveling is madatory.

Having said that, anyone noticed how the MK5 isn't compliant in the first place. Dim dip is mandatory on all cars after 1992, yet the mk5 doesn't have this!

See Statutary Regulations no. 574 86 Sub-99 15-Apr-96 governing Gas discharge light sources.
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Post by polo2k »

ill have to take your word on that one as i dont have those fact with me
ill PM you the details of the tatton show on sunday
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