I love the side markers on my car, they twinkle so cool at night. I also like my fog lights but I like them white and not amber. Side markers offer a little bit of safety as driver's who lack awareness can catch you with their peripheral vision when they execute lane changes.
My car is very different than yours, I have a 76 280C. I like your vintage better.

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1976 280C
SLOWER DRIVERS KEEP TO THE RIGHT.
DRIVE RIGHT PASS LEFT