470 Plug Recommendation

Author Message   Josh K. New member Username: big_chief Post Number: 3 Registered: 12-2009 Posted on Wednesday, January 27, 2010 - 07:52 am:    First time I will be changing the plugs on a 470 4cyl motor... just curious if anyone has any recommendations (model #). Thanks,   Bondo Senior Member Username: bondo Post Number: 2169 Registered: 12-2006 Posted on Wednesday, January 27, 2010 - 08:38 am:    Ayuh,... Whatever the #s on the take-out plugs are...   Kghost Senior Member Username: kghost Post Number: 1214 Registered: 07-2008 Posted on Wednesday, January 27, 2010 - 08:38 am:    What ever is written on the valve cover or what the manufacturer reccomend. Campion RV-9YC AC R42TS Gap .035" Timing NO MORE THAN 4 degrees before TDC Dwell 28-34 degree point gap .022" AC Champion NKG Autolite All good.   Brian Brackett Senior Member Username: kainon Post Number: 1130 Registered: 03-2009 Posted on Wednesday, January 27, 2010 - 10:41 am:    I would not trust what is in the engine without some history as someone mayhave just stuff in what they had.. check with Manufacturer suggestions first, then change as needed(hotter/colder depending on fuel and running conditions.   Kghost Senior Member Username: kghost Post Number: 1216 Registered: 07-2008 Posted on Wednesday, January 27, 2010 - 11:02 am:    Brian My post is directly out of the service manual........   PugetSounder Advanced Member Username: pugetsounder Post Number: 579 Registered: 04-2007 Posted on Wednesday, January 27, 2010 - 02:55 pm:    I posted a 470 owner's manual on here in PDF format. Search "470 manual" it should come up. It has all the info you need for future reference.   Brian Brackett Senior Member Username: kainon Post Number: 1131 Registered: 03-2009 Posted on Wednesday, January 27, 2010 - 03:44 pm:    Totally with you, just thought Josh should know that what's in there may or may not be correct and give a clue as to why it may not be, the engine could have a oil burning problem and someone could've added hotter plugs to counter or colder plugs for a detonation issue.

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