One of my cars, a 1990 Buick Reatta, came from the factory with Guide 65/35w H6054s. Some years ago, when I realized the low beams were only 35w, I quickly replaced the Guides with Hella #72206 and currently running Sylvania Xtravision 60/55w 9003/HB2 bulbs. My question is:
Why did/do so may...