I happen to like the vent windows in my '87 D100 and cannot think of a good reason to remove them.

Even in the '86 Ramcharger racer, it would be an easy way to get my time slips. Why change something just because you can???

1986 Dodge Ramcharger 440 2wd, Bracket Racer Under Construction
1998 Ram 2500 QuadCab, new daily driver.
2008 Honda Element
2014 Carry-On 7x14 Cargo Trailer