I assume that the RPMs went up due to a stronger spark.  Now MAYBE new
"regular" spark plugs would have also increased the RPMs, but my old
Bosch "regular" plugs were not very old and in good shape.

Cute comment on Westies being designed to get us from fix-it shop to fix-it
shop.  :-)   Malcolm

Doug wrote:

> >Re this discussion:  I have a Weber carb on my 91 so no computer to keep
> >the idle rpms constant.  When I put in the Bosch Platinum Spark Plugs
> >(single pole) the RPMs went up 500 with NO other changes to the engine.
> >just FYI.  Malcolm
>
> Thanks Malcolm!!   Any thoughts on why your RPMs went up???
>
>      I just read your trip report --- nicely written ---- and haven't we all
> BTDT. One thing about our Westies that doesn't come up for discussion much is
> the 'convenience' of being able to camp in mechanics' parking lots. Was this the
> original, deeply buried, reason for designing the Westy???
>
> Cheers,
> Doug
> '84 Westy
> Toronto, Canada