Quote Originally Posted by aaronng View Post
I doubt the screw is able to get the H1 HID bulb to the right location. If you compare a halogen H1 and an HID H1, the halogen is much shorter.
but the lighting spot is same! the hid bulb's lighting spot is somewhere near the middle, and if you put the halogen and HID together, you can see there lighting spot is the same