Chevrolet and GM

4 Cyl - 153 / 2.5L, 181 / 3.0L

Standard Rotation 1-3-4-2

Reverse Rotation Not Used

6 Cyl - 250 / 4.1L

Standard Rotation 1-5-3-6-2-4

Reverse Rotation 1-4-2-6-3-5

V6 - 262 / 4.3L

Standard Rotation 1-6-5-4-3-2

Reverse Rotation 1-2-3-4-5-6

V8 - 305 / 5.OL V8 - 350 / 5.7L V8 - 383 / 6.4L V8 - 454 / 7.4L

Standard Rotation 1-8-4-3-6-5-7-2

Reverse Rotation 1-2-7-5-6-3-4-8

 

  Chrysler

V8-318/5.2L
Standard Rotation	1-8-4-3-6-5-7-2
Reverse Rotation	1-2-7-5-6-3-4-8

 

  Ford

V8 - 302 / 5.OL
Standard Rotation 1-5-4-2-6-3-7-8
Reverse Rotation 1-8-7-3-6-2-4-5
V8 - 351W / 5.8L
Standard Rotation 1-3-7-2-6-5-4-8
Reverse Rotation 1-8-4-5-6-2-7-3
V8 - 460 / 7.5L
Standard Rotation 1-5-4-2-6-3-7-8
Reverse Rotation 1-8-7-3-6-2-4-5