Scott replied the topic: Re:Spark plug use
While the champions work just fine, they fail far to often when engine takes a gulp of water which causes the ceramic center electrode insulator to fracture.
NGK are MUCH tougher and are preferred. Use the CMR-7H
2 stroke Engine Tech of 30+ years, Prop tweeker, Chronic tinkerholic, Home of Motor Heads RC Racing Engines ...
8 time NAMBA National 6 lap heat racing record holder.
16 years 6 months ago
#3031