The version from the Netherlands that could also be compared is approximately 25 seconds longer because of footage tears.
But they are entirely irrelevant because they can only be noticed in a direct comparison and are present all through the movie.

09:55
Leatherface saws off half of the Mercedes driver's head.
3 sec

30:02
Bo Sawyer (Chop Top) heats up his hook of the coat-hanger and scratches his head with it.
4 sec

38:17
Bo hits L.G. with the hammer eleven times.
The third time he spits. (That is kind of his thing.)
24 sec

38:28
L.G. is lying on the floor, gets hit in the face one more time and twitches his legs.
When Leatherface starts his saw the HK version sets in again.
4 sec

39:27
Bo beats L.G..
2 sec

39:29
Same here.
1 sec

39:33
He strikes again.
2 sec

39:37
L.G. gets hit, again, and flails his arms.
2.5 sec

41:35
Leatherface touches Stretch's crotch with the chainsaw.
2 sec

41:39
The camera pans from her crotch to her face.
6 sec

42:00
Stretch can be seen longer with the saw between her legs.
2 sec

50:54
Lefty kicks in a wall and blood comes out of it.
Guts are gushing out.
4 sec

53:45
Leatherface cuts off L.G.`s skin and hangs it up.
Plus inserts of Stretch.
45 sec

59:41
L.G. can be seen longer, trying to open Stretch's chain.
11 sec

1:19:21
The family is standing around Stretch enjoying the final hit.
17 sec

1:24:17
Lefty is fighting with Leatherface longer. He drills his saw into his body.
11 sec

1:24:27
Two gory shots of Leatherface with the saw in his stomach are missing.
5 sec

1:28:40
Bo scribes his neck three times.
20sec

1:29:22
He cuts into Stretch's back while she is trying to start the chainsaw.
5 sec

1:29:38
When Stretch opens his stomach with the saw two shots are missing in the HK version.
3 sec