Well, it can look untidy, and on some engines, they can "get drooped" down over hot manifolds/ headers. Why not get some crimpers, some silicone lube, and re-do the distributor ends?
273 said it, won't make a difference performance wise (in your application) but keep em off of the hot surfaces. You can go to any auto parts store and get a Slant set for under $20 all day long.