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I am in the process of upgrading my lights (have had the e-code lights for several years) and finally bought the kit from Daniel Stern to upgrade the bulbs and wires. Since this mod came out early in the life of the C5 run I have not been able to find any good directions on this site so I plan to document everything I do with instructions and pictures.
I have tried several aftermarket bulbs (in stock wattage - higher wattage could busn you down) and nothing provides decent light from the stock lamp housings.
The first bulb will not put out anymore light than your stockers, and the second bulb could possibly melt your stock wires (unless you upgrade those) because it draws twice the current as stockers. But I'm no expert on the second situation.
Get real HIDs and be done with it. The price of these have dropped dramitally, and are comparative with these bulbs. Anything else, you're just wasting your money IMO.
Last edited by sneakelman; Feb 25, 2009 at 11:35 AM.
for easy plug and play I changed all mine out with the Sylvania Silverstars and they are about twice as bright with no issues. I don't drive a lot after dark but the original lights suck.
Headlight brightness has got nothing at all to do with wattage. All a higher wattage bulb is going to do is draw more power, and get much hotter. What you're looking for is the lumens rating. Most HID lights are only 35 watts, but have a ridiculous number of lumens rating.
Headlight brightness has got nothing at all to do with wattage. All a higher wattage bulb is going to do is draw more power, and get much hotter. What you're looking for is the lumens rating. Most HID lights are only 35 watts, but have a ridiculous number of lumens rating.
I have to disagree. While wattage is only part of the equation, it is an important factor. With halogens, the temperature of the burning filimant directly affects the amount of lumns output from the bulb (assuming a clear glass bulb) The biggest problem is that most aftermarket high-wattage bulbs have a tinting on the glass to give it an HID look. This reduces light output reguardless of wattage.
With HIDs it's a little different. Most OEM and aftermarket HIDs are 35w. Higher powered 50-55w aftermarket kits offer bulbs where the arc length is slightly longer and can produce significantly more light.
Ex:
A 35w HID kit in 4300K puts out 3200 lumens of visible light per bulb
A 55w HID kit in 4300K puts out 4400 lumens of visible light per bulb
Visible light is important because True HID bulb put out the same amount of lumens Reguardless of color. The Human eye is most sensitive to the 3000-4500K color range so we percieve that to be brighter. A Deer's eyes are more sensitive to higher freqiencies on visible spectrum so 6000-8000K would appear brighter to them than 4300K. A Peacock's eyes can pick up ultraviolet so to them purples are very bright.
IMO a 35w 6000K kit properly aimed in a decent projector will give you more than enough light to safely drive on even the darkest roads.
I have to disagree. While wattage is only part of the equation, it is an important factor. With halogens, the temperature of the burning filimant directly affects the amount of lumns output from the bulb (assuming a clear glass bulb) The biggest problem is that most aftermarket high-wattage bulbs have a tinting on the glass to give it an HID look. This reduces light output reguardless of wattage.
With HIDs it's a little different. Most OEM and aftermarket HIDs are 35w. Higher powered 50-55w aftermarket kits offer bulbs where the arc length is slightly longer and can produce significantly more light.
Ex:
A 35w HID kit in 4300K puts out 3200 lumens of visible light per bulb
A 55w HID kit in 4300K puts out 4400 lumens of visible light per bulb
Visible light is important because True HID bulb put out the same amount of lumens Reguardless of color. The Human eye is most sensitive to the 3000-4500K color range so we percieve that to be brighter. A Deer's eyes are more sensitive to higher freqiencies on visible spectrum so 6000-8000K would appear brighter to them than 4300K. A Peacock's eyes can pick up ultraviolet so to them purples are very bright.
IMO a 35w 6000K kit properly aimed in a decent projector will give you more than enough light to safely drive on even the darkest roads.
Do a search for Luminics bulbs. 5150K bulbs. Real white and bright. Plug and play and drive.