After Harry shoots the truck with the bazooka, the shot from the front shows him with the protective face mask up, yet the following shot from the back shows him with the protective mask down and him raising it to the upwards position shown in the previous shot.
The Datsun 280ZX used during a chase scene switches into a 1972 model 240Z which is seen when the car rolls over.
At about 28 minutes a woman has a large blood stain on her dress before she gets shot.