1979 Adveturer 100 VIN D14AE9S118667 318 2V Auto Trans PS,PB,AC No radio standard instruments Ext. Ensign blue Metalic and Cadet blue metalic Int. Ensign blue with light blue seat, dash and panels with wood grain inserts. Gear ratio unknown Orig steel wheels smooth bumpers with a receiver hitch. The rad support tag reads, 021763 D1 131 Conv cab PY8769 PZ 8795 PX3 GE904901 Warren truck #1 Mnfg. date 10-78 It has 77K orig miles Previous owner passed away and husban parked it under an oak tree for many years.I traded an old boat for it and had to replace the fuel lines, fuel tank, brake calipers wiper motor, and put a kit in the carb. It now run very well.I am going to repaint it. The tree sap destroyed the paint. Can any of these numbers tell me what the gear ratio is?