Originally Posted by 1955Retiree
Originally Posted by hunterbuck
That's the same as the recommended plug for Mercury 280's. I've always replaced with Champion QL77CC's.



Stick to the NGK , champions are not exactly the premium of the spark plug world. If the manufacturers recommend this plug
They have a reason for it. Even though it may be on a crossover chart, it may not perform like the suggested plug.


The Champions perform better in the 280's. Believe me, I don't mind paying for the performance.

"You think I care? Roll Damn Tide"

Have you tried Google?