First walk-around 

1964 1/2 Mustang
170cid in-line six
3 speed manual
VIN 5F07U100991
Classic mustang titles are 11 digits.
Model Year '5' : While originally made as a 64.5, the model year is considered a 1965.
Assembly plant 'F': Dearborn, MI
Body style '07': Hardtop
Engine code 'U'" 170cid; No listing for carb size, but has n Autolite 1100 1bbl
Unit # 100991: Unit number for this factory (Dearborn)
Note on the unit #'s. The count starts at 100000... So that means this is number 991 off the Dearborn line.
Next time, I'll look at the door tag, and search for the build sheet. Details on the vin taken from onemanandhismu...
All stock. Some previous restoration work. Last known running was around 1996. Walking around the new project. This was hooked up and trailered 300 miles home.