Marine Firing Orders

These are the firing orders on most inboard Marine Engines available in boats. Your boat can come with both standard and a reverse rotation engine. Please see below your engine and firing orders for your boat. Any questions please call us at 1-773-586-3577.

General Motors
6 Cyl – 250 / 4.1L   454 Marine
Std. Rotation 1-5-3-6-2-4
Reverse Rotation Not Used
     
V6 – 262 / 4.3L    
Std. Rotation 1-6-5-4-3-2  
Reverse Rotation 1-2-3-4-5-6  
     
V8 – 305 / 5.0L   Reverse Rotation
V8 – 350 / 5.7L  
V8 – 454 / 7.4L  
Std. Rotation 1-8-4-3-6-5-7-2
Reverse Rotation 1-2-7-5-6-3-4-8
Chrysler
V8 – 318 / 5.2L   Reverse Rotation
V8 – 360 / 5.9L  
V8-383/6.4L  
Std. Rotation 1-8-4-3-6-5-7-2
Reverse Rotation 1-2-7-5-6-3-4-8
Ford
V8 – 302 / 5.0L  
Std. Rotation 1-5-4-2-6-3-7-8
Reverse Rotation 1-8-7-3-6-2-4-5
   
V8 – 351W / 5.8L  
Std. Rotation 1-3-7-2-6-5-4-8
Reverse Rotation 1-8-4-5-6-2-7-3
   
V8 – 460 / 7.5L  
Std. Rotation 1-5-4-2-6-3-7-8
Reverse Rotation 1-8-7-3-6-2-4-5

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