[norbert41]

The 6 cylinder cars (170 CID and 200 CID in line sixes) had 4 lug wheels, the V8 cars had the 5 lug wheels

 

[camden]

All inline six Mustangs then had four lugs. I believe that year it could have had either a 170 or 200 cubic inch engine.

 

[lise]

Six cylinder Mustangs and Ford Falcons for that year

 

[hristun]

The underpowered 200

 

[bald]

6 banger had the 4 lugs and the V8 had the 5 lug