Vanden Plas L6-4.2L (1982)
Spark Plug: Technical Service Bulletins
Spark Plug Gap - Specification
Date.... JAN/FEB, 1984
ITEM:
J84/03
SUBJECT:
SPARK PLUG GAP
MODEL:
XJ6 & XJ-S HE
We stress the importance of adhering to the specified spark plug gap on all Jaguar vehicles.
The correct spark plug gap is as follows:
XJ6 - 0.035 in.
XJ-S HE - 0.025 in.
Engine performance and exhaust emissions will be affected by changing the spark plug gap.
