Bill,
The fact that this plug leaks into the rocker area, and thus could dilute the
oil in the sump
did get my attention; the thought of a slow leak during an evening or
storage, and the resulting water lube for the motor on restart did not seem
very nice
Hardy
In a message dated 8/8/2005 5:52:46 PM Pacific Standard Time, BillB@bnj.com
writes:
My plug always seeps a little water. I never worried about it before this
thread. I always figured a tiny bit of water in 235 degree oil isn't
sticking around long. Still, it can't be a good thing.
-----Original Message-----
From: owner-fot@autox.team.net [mailto:owner-fot@autox.team.net] On Behalf
Of Catpusher@aol.com
Sent: Monday, August 08, 2005 3:57 PM
To: fot@autox.team.net
Subject: Re: Head Plug
The last few new TR3B MK ll heads (TR4A) that I obtained directly from the
CA factory depot had the top of the plug peened around the plug OD; clearly
a factory modification.
A trackside fix is to drill and tap the plug, say for half inch NC and put a
set screw through a flat washer large enough to cover the plug into the new
threads. The pulling force on the plug also helps to seal the threads; we
put sealer on all items.
I only had problems once with a head that had been heated to weld.
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