85 gt 5.0 5 speed t tops

1985 Gt 5.0 5 Speed T-tops Located in Dallas, Texas 185k miles and the only mod is no cats and flow master 3 chamber mufflers. This car was owned for the last 12 years of its life by someone who is now 64 years old and never beat on it. When he got it in '96 the car had 130k miles. I have been...