RN>Admittedly I've been away fromm this stuff for quite some time, but I have y
RN>to see a spark plug that would last 145k.  The ones I bought for the Mark VI
RN>have a recommended replacement of 75k.  I've only put 12k on the car since I
RN>bought it, so the ones I put in it 2 years ago should last awhile longer, I
RN>think, unless all this city driving I do shortens that life span, which I'm
RN>sure it will.

The Denso Long Life Iridium plug can last into that ballpark. But
they cost $12.00 or so EACH.
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 þ SLMR 2.1a þ Typo Tom Strkes Again