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Coolant boiling and clutch return spring

To: Spitfire <spitfires@autox.team.net>
Subject: Coolant boiling and clutch return spring
From: JM Dion <dion.longpre@sympatico.ca>
Date: Thu, 21 Jun 2001 21:12:01 -0400
David

I've got a Mk2, 1967 and I don't have any return spring. I don't see any
return spring in the spare parts catalogue. If you have a picture maybe
it would help me. If  it's working well without it, I would say remove
it.

Jean-Marc Dion
Spitfire MK2,  1967



 Date:       Thu, 21 Jun 2001 10:29:55 +0100
   De:       "David Armitage" <David.Armitage@nottingham.ac.uk>
    A:       <spitfires@autox.team.net>


Hi all,

I've a couple of questions about my 1967 MkII Spit. I've recently
transplanted
the engine and after a test drive yesterday my coolant boiled (looks
like it
sprayed from the pressure cap). This happened after the engine had been
switched off. At present there is no anti-freeze in the system and I
guess
this caused the problem... would this be expected (I live at the top of
a
steep hill), or is it likely that I have other cooling problems. Could
the
head gasket be at fault (no signs of oil/water mixing and no steam from
the
exhaust). I'm planning on adding anti-freeze tonight and trying again,
just
looking for reassurance that it's nothing more serious.

The second question relates to the clutch return spring fitted to early
Heralds and Spits. This spring links the clutch release arm to a
mounting on
the gearbox. The spring is currently disconnected and the clutch works
OK,
if
I reconnect the spring the clutch no longer operates (most of the slave
travel
is used in bringing the release bearing to contact the diaphragm
spring).
The
only way I can see for the spring to operate is for some kind of
adjuster to
prevent the spring from pulling the arm too far from the bearing. I'm
not
sure
if the spring is necessary, as the clutch would be released by the
pressure
from the diaphragm. Anyone have any ideas on this?

Many thanks,

David

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