R/C Tech Forums - View Single Post - The New Werks B5 .21 Racing Engine

05-13-2010 | 05:30 AM

#3242

Mo Denton

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Posts: 2,737

This is true about the plugs...the werks plugs are awesome and last forever,
a number 5 probably the standard and you can also use a 6 if you want to get every last drop out of the engine, but seems to narrow the tuning window

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