In article ,
Scott Skylane wrote:

RST Engineering wrote:

Then you will have plug fouling issues with the O-470 for the rest of your
airplane's life.

Bulls**t. I've put almost 500 exclusively 100LL hours on my O-470R with
nary a single plug fouled.

Same here....around 800 hours and no fouling problems.

Usually leaned on the ground. Leaned at cruise regardless of altitude.
Had an EI engine scanner/monitor with 6 leads EGT/CHT.

--
Dale L. Falk

There is nothing - absolutely nothing - half so much worth doing
as simply messing around with airplanes.

http://home.gci.net/~sncdfalk/flying.html