At the beginning of the movie, where Buford is recollecting the ambush, when he brings the car to a stop, he gets out and runs around the front of the car, and pulls his wife out from the passengers side. In the original movie, He climbed over his wife, got out from the passengers side, and pulled her out of the car.
Leif Garret and his sister Dawn Lyn play the Pusser children in all 3 Walking Tall films. In The Final Chapter they show the filming of the first Walking Tall. Either someone didn't' do research or realize that this was a goof.
At the Three Deuces club, the sign has "Deuces" spelled "Duces."
When Bufford walks into Club Three Deuces to the right above the juke box is a LP cover tacked on the wall of 'KISS Destroyer'from 1976. Bufford Pusser died on August 21, 1974, 'KISS Destroyer' was released March 15, 1976. Either the set dresser/prop person was a KISS fan or they had no idea it would be out of place and just used what they had.
Cables used to "knock" the barn down can be seen to the left.