Spark Plug recommendation; blown 360

Bill Dedman said

Thanks for the correction, Bob! Yhat other number was for a lawnmower plug... LOL!

I STILL don't know if that plug will screw into a Magnum head, though. Do you have any idea about that?

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I’m in the same boat you were
I got a warmed over 360magnum with a 100 shot of gas it was recommended
To me to use bkr6e or bkr7e NGK
And when I put the ngk plug next to the factory recommended plug for a stock engine the tip projection on the bkr6e was half of the factory recommended plug Sure would be interested in what you find out