Usage:
Arrangement and number of cylinders ... V8
Bore ... 158.8 mm (6.25 in.)
Stroke ... 203.2 mm (8.00 in.)
Direction of Rotation (when seen from flywheel end).
SAE Standard Rotation ... Counterclockwise
SAE Opposite Rotation ... Clockwise
Firing Order (Ignition Sequence).
SAE Standard Rotation ... 1-8-5-4-7-2-3-6
SAE Opposite Rotation ... 1-4-5-2-7-6-3-8
G398 Engine
Arrangement and number of cylinders ... V12
Bore ... 158.8 mm (6.25 in.)
Stroke ... 203.2 mm (8.00 in.)
Direction of Rotation (when seen from flywheel end).
SAE Standard Rotation ... Counterclockwise
SAE Opposite Rotation ... Clockwise
Firing Order (Ignition Sequence).
SAE Standard Rotation ... 1-12-9-4-5-8-11-2-3-10-7-6
SAE Opposite Rotation ... 1-4-9-8-5-2-11-10-3-6-7-12
G399 Engine
Arrangement and number of cylinders ... V16
Bore ... 158.8 mm (6.25 in.)
Stroke ... 203.2 mm (8.00 in.)
Direction of Rotation (when seen from flywheel end).
SAE Standard Rotation ... Counterclockwise
SAE Opposite Rotation ... Clockwise
Firing Order (Ignition Sequence).
SAE Standard Rotation ... 1-2-11-12-3-4-9-10-15-16-5-6-13-14-7-8
SAE Opposite Rotation ... 1-12-11-4-3-10-9-16-15-6-5-14-13-8-7-2