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Date: Sun, 15 May 2005 20:29:06 -0400
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Subject: Re: [LML] Re: ECI "Titan" Cylinders
From: Howard Hamer <hamer@gv.net>
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Several years ago I had a heating problem with one of my new ECI 
cylinders on my newly Lycon rebuilt O-340.  After modifying the 
baffling many times with little success I examined the hole for the 
temperature probe and noticed it was formed by the casting and not 
machined as were other cylinders manufactured by Lycoming. In fact it 
extended almost a quarter inch further in the cylinder than the 
standard Lycoming probe hole and the other three ECI cylinders. I then 
decided to connect ring thermocouples to both the upper and lower plugs 
(VM 800 allowed these to be connected to cyls 5 & 6 on the CPU). Lycon 
informed me that a ring thermocouple would read about 50 degrees F low 
on the upper plug and about 50 degrees high on the lower plug. The 
difference between the two rings was 110 degrees in my case and the 
average was 50 degrees below the probe reading on that cylinder.
Rusty