RCU Forums - View Single Post - Plugs of Choice for Speed Engines

03-16-2010, 05:43 PM

#24

ChrisAttebery

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RE: Plugs of Choice for Speed Engines

If we're talking high nitro, high timing and high loads then the K&B HP and McCoy #9 are the way to go.

I run them on my 46AX with 15% nitro and a 9.5x6 prop and they idle just fine at ~3k rpm.

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