There are 15 of them
2356, 2358, 2359, 2368, 2369,
2389, 2568, 2569, 2589, 2689,
3568, 3569, 3589, 3689, 5689.
60 because 2*30 3*20 4*15 5*12 6*10
1, 6, 5, 4, 3, 2.
Inline 6 cylinder 1-5-3-6-2-4 clockwise V8 1-8-4-3-6-5-7-2 clockwise
1-8-4-3-6-5-7-2
1-2-3-4-5-6
1-8-4-3-6-5-7-2
1-5-4-2-6-3-7-8 1-3-7-2-6-5-4-8.
1-5-3-6-2-4 clockwise
(1, 5, 6, 6), (2, 4, 6, 6), (2, 5, 5, 6), (3, 3, 6, 6), (3, 4, 5, 6), (3, 5, 5, 5), (4, 4, 4, 6), (4, 4, 5, 5).
On a 4.2L 256: 1-4-2-5-3-6 On a 4.6L 281: 1-3-7-2-6-5-4-8 On a 5.4L 330: 1-3-7-2-6-5-4-8 On a 5.8L 351: 1-3-7-2-6-5-4-8 On a 7.3L 446 diesel: 1-2-7-3-4-5-6-8 On a 7.5L 460: 1-5-4-2-6-3-7-8
1-8-4-3-6-5-7-2
1-8-4-3-6-5-7-2