They suck. After taking the whole thing apart, I can see why. The "projector" is just a semi-domed piece of glass on two little pedestals. When using a conventional bulb (H4) with a dipped tip (anti-glare), the "projector" is virtually useless.

However, I just finished up my retrofit of the J30 projectors into a non-sealed beam housing just a few minutes ago. Due to the length of said projectors, I might have a few clearance issues causing me to space the headlight out about 1/4" to 1/3" from the bucket. Looks like a bit of the back of the projector is hitting the headlight cover itself. Minor hitch but that's what custom shit is all about. I'll put them in for good when I get the HID bulbs.

I'll have some pictures up soon of the construction process. Gotta say, it wasn't easy or fun but it'll be worth it to have something functional that nobody else has.