This subject came up on the Jag XJ-S list. Several listers had problems
with Champions cracking or breaking and causing misfires. NGK are the
recommended plug for the XJ-S by the enthusiasts, although Champion are
factory specified. YMMV.
'62 MGA MkII
'88 Jaguar XJ-S
On Wed, 08 Apr 1998 09:02:23 +0100 A J Teeder <firstname.lastname@example.org>
>My experience with Champion plugs has been that "if the engine is
>replace them". NGK have been far more reliable. My own preference is
>I don't know who I speak for, it's certainly not the DRA.
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