RE: Autolite 3923

["Minor, Bob" <Bminor@xxxxxxxx>]

<<I have a set of Autolite platinum plugs in my 1997 R1100RT, that I
have been 
using for 55,000 miles.  I remove them once a year for inspection, and
so 
far they continue to look like new.  I have never reset the gaps, and
they 
are still within specs.  I apply neverseize sparingly, and reinstall
them 
using Tom Cutter's technique. Original gaskets seem o.k.
It seems that Autolite makes a damn good platinum plug.  I'm just plain 
curious how long they will last.  I do carry a spare set of plugs (Bosch

platinum) just in case.  The bike starts and runs as it always has,
never 
skips a beat.  The only non-stock item is the exhaust system, which 
eliminated the transmission cooker, and is custom made, built around a
Honda 
VFR muffler.  This provides a pleasant engine sound, without loudness.
BMW 
folks notice that it sounds "different" but to others it simply sounds
like 
an engine running.
The plugs are inexpensive, but I'm just curious of the service life.
They 
are running platinum plugs in automobiles with extremely long service 
intervals.>>

I use the Autolite double platinum's in my car.  It has a sideways V-6,
which means it's not exactly easy to change out the plugs.  The
consensus on an automotive forum I belong to is that the better platinum
plugs can go 60K with little or no degradation in performance.  Some of
the auto manufacturers specify 100K intervals but most agree that's a
bit over the top.  






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