The thin blue line between work and pleasure just got a bit grayer as police officers get new Mustang GT cruisers.

Retired NYPD officers are restoring the patrol car of Officer Eddie Byrne, who was ambushed and killed in 1988 while guarding a witness’s home in Queens.

Last week, marked the 37th anniversary of the murder of 22-year-old rookie NYPD Officer Edward Byrne, of North Massapequa. His 1987 police car, which he was killed in, will be restored to its original ...