Denso Iridium Spark Plugs

Hays Zeigler hzeigler at
Thu Feb 13 21:25:22 EST 2003

Has anyone tried the Denso Iridium spark plugs.  The Denso IK22 is supposed
to be a heat range, etc. match for the standard Bosch F5DPOR.  Is it as
good, or better?  Longevity? Any experience out there?

I've read some bad reports about replacing the F5DPOR with the Bosch

Hays Zeigler
1991 20V

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