Napa halogen bulb part number

hugeal

Member
Hi,

just a few weeks ago a fordbarner asked about installing halogen bulbs in his car. There was the usual pros and cons, but one guy said he had real good luck with a pair he purchased from his local napa dealer he listed the part number but i can,t find his message. The part number was some five or six number/letters long. If anyone has the part number, would you please list it. Thanks.



Al
 
I would suggest that you save yourself a lot of trouble and not bother to attempt to change your headlights to halogen... Been there done that as has several guys I know. The halogens do not work in the old reflector headlights..
Here is why: The old lens and bulbs are designed to work together.. The '36/39 cars, regardless of what brand, all use the same bulb. The bulb is called a "pre-focused bulb", this style of bulb works with the design of the lens to direct the light onto the road. The halogen bulbs are generally designed to work with clear lens.
It is true that the halogen bulbs put out a lot of light, however, the light is non-directional, so it is not focused on the road... It is all over the place.
A second factor to consider is the modification of the reflector to accept the halogen unit..
Ron Francis makes a bulb called "Bright Bulbs"... They are a direct fit for the stock bulb holder and require no modification to the reflector..
I modified a pair of reflectors for my '39 and then had them re-silvered... $150. for the pair in '08... I installed the halogen bulbs and impatiently awaited darkness to test them out.. I was really disappointed.. Bought another set of reflectors, had then re-silvered.. mega bucks for the pair.. Installed the Bright Bulbs and was very happy with the results...
 
Several threads are in the archives on this problem. On my 36 with original lenses, there is still a "dark side" to every solution proposed. I've tried them all.

Right now, on a 12 v system, I'm running H4 halogens with 135 watt high beams. In the high beam, the lights are as bright as low beams usually are and the low beam looks like a parking light. It's all a matter of focal length. The H4 filaments are about 1/2 inch apart with the high one closest to the original distance with stock bulbs. I tried the Ron Francis bulbs and they where about the same as the H4's. Too dim on low beams.

I like my "bug eye" lenses too much to give them up with a sealed beam conversion.

I wonder what would happen if you could pump 18 volts into Ron francis bulbs??? Yes they would burn out sooner but would they be bright enough on low beam??
 
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