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FED 387 · 08-31-2013, 10:33 AM

forgot to mention you will now be setting your gap with a feeler gauge not the plug gapper---after you run yor engine compare the new plugs to the old plugs you might hafta change/modify your tune up slightly---richer or leaner/ timing more or less see what works best for your situation

08-31-2013, 10:33 AM	#3
FED 387 VIP Member Join Date: Jun 2006 Posts: 3,419 Likes: 528 Liked 332 Times in 180 Posts	Re: Autolite AR3932 spark plug forgot to mention you will now be setting your gap with a feeler gauge not the plug gapper---after you run yor engine compare the new plugs to the old plugs you might hafta change/modify your tune up slightly---richer or leaner/ timing more or less see what works best for your situation