October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

Spark Plugs

SPARK PLUG TYPE

Application	Bosch	Champion
6-Cylinder	H9DC	S12YC
V8 (Except 560 SL)	W8DC	N9YC
560 SL	W9DC	N9YC

SPARK PLUG SPECIFICATIONS

Application	Gap In. (mm)	Torque Ft. Lbs. (N.m)
6-Cylinder	.031 (0.80)	15 (20)
V8	.031 (0.80)	22 (30)

IGNITION TIMING (Degrees BTDC @ RPM)

Application	Specification
6-Cylinder	7-11 @ Idle
V8	3-7 @ Idle