Quote Originally Posted by bscrive View Post
4 sided LEDs I find give a better light disbursement then two sided LEDs when put in lights not made for LEDs. Halogens have 360 degree light and most two sided LEDs don't give that 360 degree range. I have similar LEDs on my wife's F3L and it puts out really good light. I tried the two sided ones and they were horrible.
That's not entirely true... you most probably had the wrong lights - length or power...

Here is a better explanation from a guy that know what he is talking about - I know is from the car industry, but headlight design has the same principle for motorcycles as well.
Is a long video, but worth to watch it. Listen to his explanation on the types of bulbs and headlights housings.

https://www.youtube.com/watch?v=DeaDrH0gXZk