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Spark Plug Gaping on a 1978 Commander 351? Printed From: CorrectCraftFan.com Category: Repairs and Maintenance Forum Name: Boat Maintenance Forum Discription: Discuss maintenance of your Correct Craft URL: http://www.CorrectCraftFan.com/forum/forum_posts.asp?TID=22014 Printed Date: November-20-2024 at 12:30am Topic: Spark Plug Gaping on a 1978 Commander 351? Posted By: 78skinautique Subject: Spark Plug Gaping on a 1978 Commander 351? Date Posted: June-07-2011 at 11:46pm I just got my 2nd set of plugs after 5 years on the first set I started with when I got my 78 in 2006. I was telling a buddy of mine and he said "you have to find out what the gaps should be set at before you put those in". And i didn't even realize that might help her run better. Anyone know though? I have no clue. Where do you find the correct gap distance for a 78 Commander Marine 351 on the plugs? I got a set of nice Motorcraft Platinum plugs but I want to make them perfect for the motor. Any help is appreciated. Replies: Posted By: jrs Date Posted: June-08-2011 at 10:45pm 0.035 inch gap will work fine. Posted By: GottaSki Date Posted: June-08-2011 at 11:52pm i concur ------------- "There is nothing, absolutely nothing, half so much worthwhile as messing around with boats...simply messing." River Rat to Mole

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