Quote:
Originally Posted by Thirdem
Okay, they are sealed beam Halogens. They say right on the bulb, sorry I didn't mention that earlier. 
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In that case you could swap the entire lamp for a round E-code lamp. Have a look here:
Daniel Stern Lighting Consultancy and Supply
That site also has a good explanation on it of the advantages of an E-code pattern over the US DOT pattern. Basically it puts more light where you need it and less light where it can get into other drivers' eyes. I've never used them but some people who do a lot of night driving swear by them.