Mailing List flyrotary@lancaironline.net Message #67919
From: Finn Lassen finn.lassen@verizon.net <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] Removing Spark Plug Shrouds
Date: Fri, 8 Aug 2025 09:21:20 -0400
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Used a 1" straight carbide burr I picked up at Sun'n'Fun decades ago. Only took off enough to fit my spark plug socket.
Made sure to have the holes stuffed with rag or paper tissues as did it with engine installed.

On 8/8/2025 8:19 AM, DOUGLAS LOMHEIM dlomheim@aol.com wrote:
I’m going to remove the shrouds around the spark plug holes, and was wondering what those who’ve already done, what method worked best?  With the price of “Mazda” plugs running $35 each, I’m going to replace mine with the NGK BR10EIXs…

Doug


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