Quote:
Originally Posted by Mystic ZR-1
Try 100/55w H4 bulbs (Hella Z Beams)
High beams will burn the paint off the car in front of you!
And, you don't have to screw around modifying your car's
electrical system...
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The higher off the ground the headlights are mounted, the greater the issue with glare...which makes sense. I get away with my (Larsen) LEDs on the Z, and they're ~ 6000º (K) bright, white. I've never been "FLASHED" by on-coming traffic. But my (2017) F250 truck lights appear to be standard incandescent (warm in color [4500º?]- not white) - not particularly bright either (except there are 4 headlights and 2 fogs illuminated on LO beam) - and I occasionally get "FLASHED" by on-coming traffic.
I hypothesize that if the LO beam cutoff is always below the eye level of oncoming traffic, then the glare factor is greatly (mostly) eliminated: such being the case in the Vette. I've never been "flashed" by on-coming traffic when driving the Z, in spite of being much brighter that stock. That ain't the case for the truck tho! I get flashed in spite of the fact the lights are not much brighter than standard incandescent sealed beam lights. (But, there are twice as many of them running on LO beam to offset the lack of (brightness)).
My point? If one is going to run HID or LED upgraded headlights, it is apparently important to have a well defined cutoff to prevent blasting on-coming drivers - except perhaps when cresting a hill that other guy gets blasted until the cutoff drops below his eye level.