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GTX JOHN · 08-05-2011, 08:29 PM

Champion 300 ..... old # N9Y for 426 Style Engine if Comp. is not over 11.5.
Don't know if you were taking about this gen of engine from post.

08-05-2011, 08:29 PM	#3
GTX JOHN VIP Member Join Date: Jun 2009 Location: Boulder City, Nevada 89005 Posts: 2,741 Likes: 2,835 Liked 2,517 Times in 701 Posts	Re: Spark plugs Champion 300 ..... old # N9Y for 426 Style Engine if Comp. is not over 11.5. Don't know if you were taking about this gen of engine from post.