RCU Forums - View Single Post - Black Spark plug= what

07-07-2007, 10:52 AM

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Revo Racer 16

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RE: Black Spark plug= what

yep 32:1 here as well. I leaned the HSN and i got a whiter plug, Im pretty sure it over heated. because it had a high temp. What is the max temp a engine should get? ALso what should the gap be?

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