FWIW, on my E-Type, it will ALWAYS overflow if you keep filling it up to the
top. What it wants to do, and what I let it do, is to boil off until it
reaches the level it wants--then I do not add more water unless to bring it to
that point only.
tom
---- Richard Dryman <rdryman1@yahoo.com> wrote:
=============
A special radiator cap is NOW not necessary. I worried for 20 years using an
overflow container that would preventembarrassing spots under the parked
Healey;
worked briefly BUT the fluid would not 'suck back'. Return-type caps
were not
available from '85-05 in overflow kits for Healeys {I couldn't find
them!}
HendriX then shared a 'secret?': go to Advance Auto and buy their
overflow kit
that really works. Didn't believe it until I installed it !!!
The key to
suck-back operation is the very thin rubber gasket that the kit
provides for you
to install inside your radiator cap. Earlier kits did not
have this. Goes
between the brass 'gasket' and the radiator inlet.
I have a
BSME and for the last 5 years I have not figured out why this now
works and
probably never will since I have stopped thinking about it.
PTL, it does work
and is one of my cherished add-ons.
GO FOR IT~~~~~~~
________________________________
From: Eric (Rick) Wilkins <e-wilkins@cox.net>
Cc: healeys <healeys@autox.team.net>
Sent: Mon, July 26, 2010 11:41:50 PM
Subject: Re: [Healeys] Overheating Healey (closed system)
The radiator cap
on these closed systems has a secondary valve to allow the
vacuum in the
cooling system to draw the coolant back into the radiator from the
reserve
tank (like pulling the plunger back on a hypodermic needle) There are
usually markings on the side of the plastic tank marked Full-Cold, and Full
Hot. When the engine is at normal operating temperature, the coolant in the
translucent reserve tank should be up to the Full-Hot line. After the engine
has been sitting for several hours and is cold to the touch, the coolant
should
be at the Full-Cold line.
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