The Murphy Builders Site

Mike, the Cessna 172 used a snap in button about 1 1/4" to 1 1/2" dia.
to fill the hole on the Lycoming vertical aluminum at the head of each
rear cylinder. I think the Cessna number is a CM 2692.48-1S. That gave
room for a spark plug socket on an extension to remove the plug.

A note; The steel prongs would wear on the aluminum Baffle from rattling
over a long period of time so I put a dab of RTV silicone sealant on 2
or 3 of the prongs each time they were removed to prevent that.

Dick Wampach, SR108

-----Original Message-----
From: mike.davis@dcsol.com [mailto:mike.davis@dcsol.com] On Behalf Of
Jones, Michael
Sent: Wednesday, September 27, 2006 11:20 AM
To: Rebel-Builders (E-mail)
Subject: [rebel-builders] spark plug wires

hi all

i need to cut holes in baffles for spark plug wires to go through,

what do you do,

cut big hole for wire & plug to go through then cover with metal or

remove wire from plug and use small hole with grommets, how does wire
remove
from plug anyway ??

thanks

mike#007






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