Anything special to installing new DIS?

[St Louis SHO]

Hmm... You using Wells parts or Motorcraft? New ones or used ones? I know your not a stupid guy, so I'm going to assume you use good parts, I just thought I'd see if you checked that part first

 

[SASHO91]

93- One new, one used.
91-New

and you know they are not cheap either.