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Spark plugs #994908 05/18/11 01:41 PM 05/18/11 01:41 PM
Joined: Feb 2009 Posts: 1,274 Ontario.Canada C can.al OP pro stock
can.al OP pro stock C Joined: Feb 2009 Posts: 1,274 Ontario.Canada	..the old stand by for an early 340 was N9Y. ..so how does RN9Y differ and what effect do these resistor (?) plugs have on an engines' performance?

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Subject	Posted By	Posted
Spark plugs	can.al	05/18/11 05:41 PM
Re: Spark plugs	JohnRR	05/18/11 06:21 PM

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