GStwin.com GS500 Message Forum

Main Area => General GS500 Discussion => Topic started by: jangofett on August 11, 2003, 09:26:08 PM

Title: upgrade headlight bulb
Post by: jangofett on August 11, 2003, 09:26:08 PM
I would like to get a superwhite bulb for my bike. Anyone got a good idea about one, type, size? Thanks! :)
Title: upgrade headlight bulb
Post by: pantablo on August 11, 2003, 10:51:39 PM
Superwhites at stock wattages are still brighter. I had a 80/80W PIAA superwhite until it burned out. Next I'll try a Sylvania Superwhite in stock wattage available at local auto store for about $25.

Looks SO much better than the yellow stock light.
Title: upgrade headlight bulb
Post by: 90GS500rehab on August 11, 2003, 11:03:36 PM
I've used the Phillips "cool blue" H4 in my Shelby Charger and they are alot nicer than stockers. Don't look blue like a ricer but nice clean white. Just got one for the bike but haven't tried it out as now I can seem to squeeze this damn motor back in.  :(
Title: upgrade headlight bulb
Post by: bikesnbirds on August 12, 2003, 09:27:11 AM
I got a PIAA Xtreme White H4 bulb for my GS. I can't remember the wattage, but it is brighter than the sun itself! The brightness is great, but I got it hoping that it would have a blue-ish tint to it (I should have known since that it was called 'white' that it wouldn't but...) If this one burns out someday I think I would try the Plasma Blue PIAA. I've been very happy with my purchase none the less.
Title: upgrade headlight bulb
Post by: glenn9171 on August 12, 2003, 09:37:48 AM
As far as stock wattages goes, the Sylvania SilverStar H$ is very bright and absolutely white.  A little blueish tint from the sides, but clear white from head-on.  $25 at most auto parts stores. Well worth it. :thumb:
Title: upgrade headlight bulb
Post by: TheGoodGuy on August 12, 2003, 09:40:43 AM
i bought a pair of 90/100W tricktape.com bulbs for the bike but ended up using them on the car. Lateron I will upgrade the bike to the sylvania silverstars.
Title: upgrade headlight bulb
Post by: jangofett on August 12, 2003, 02:46:08 PM
Just picked up the Silverstar at Auto Zone for 21.19 Going to install it in a few minutes. Thanks for the info everyone. :cheers:
Title: upgrade headlight bulb
Post by: jangofett on August 13, 2003, 11:58:21 AM
Installed the Silverstar a few minutes ago. That was easy! It is bright! Waiting for darkness. :thumb:
Title: Bright lights...
Post by: The Buddha on August 13, 2003, 12:41:00 PM
Somehow these seem to fly against common sense...
Why I'll tell you why...
OK a 55 watter has a filament, a 100 watt bulb has a filament that is thicker wire diameter. So we'd think it is stronger and resists vibration better. It is not really so cos that thickness makes it draw more current and heat up to a higher temperature and that makes the bulb last less. Now go to a 55 watt super white and the equation changes...Super whites are whiteer for a reason. They are filled with a gas that change the frequency a little and make it whiter. To get more light for the same current draw they also heat up to a higher temperature. That means lower life in comparison to the stock bulbs. Got to a even higher wattage and you have compounded the problem. HID's actually cycle the voltage a few times a second so their bulbs blow less and there is no permanent filament - much less. So I'd look into these options when switching to higher wattage or whites or some like that.
1. Bulbs blow on switching on more than any other time cos the bulb is a short between the + and - and as it heats it creates resistance and that limits the current that can flow. So I'd install a inline potentiometer that sends just 2-3 watts to the bulb when you put in the key. Then start the bike etc and increase the pot slowly (in the time the bike warms up you can have it at the max). Whatever you do do not install a switch that turns it off so you switch it on after starting...My neighbor did this on his harley and blew a bulb a week and that was the standard bulb. He thought it was the vibration. We tossed the switch out and he's not blown one since (3 weeks of nearly daily riding) The bike makes much more voltage when running and if you turn on a cold bulb with more voltage you blow it more easily.
2. Carry a standard bulb with you so you can fit it and ride home.
Cool.
Srinath.