Speaking of oils I believe Castrol GTX was originally 20W/50, but for many
years now it has been 15W/50 (in the UK at least, I think it has been 15W/50
in North America for some time). However sometime in the last few months it
changed to 15W/40 - probably the same time as the '33% better protection'
statement appeared on the container! I only noticed this week when topping
up from a new 5 litre 'can' - it ran like water. Checked the last can I
bought (empty ready for the next oil change) and it was the same, checked
the two before that (must take a trip to the dump) and they were 15W/50.
A click usually signifies that either the relay or the someoid is working
but not supplying power onto the motor. If the motor shaft turns quite
easily it looks like one
segment of the motor itself may have failed, or the brushes are worn and
only just making contact in some places on the com. If it is stiff to turn
and comes free with a jolt it is probably jamming in mesh with the flywheel.
PaulH.
----- Original Message -----
From: bruce <mgb1964@cois.on.ca>
To: <mgs@autox.team.net>
Sent: Tuesday, August 28, 2001 11:48 AM
Subject: Oils and Starters
> I need the Wisdom of the List.
>
> The car is a 1964 MG with a 10 thou "over" 3 main engine. It was rebuilt a
> few years ago and has about 3000 miles on it. In the past it has been
> treated with 20/50 oil changes and driven only in the summer. I have
> recently come across some 20/50 synthetic "blend" oils from Shell. Is
there
> any advantage /disadvantage in switching? They say that because it is a
> "blend" it is not as severe as going totally synthetic.
>
> Same car different question. At odd and importune times the car will just
> "click" when the key is turned. On inspection under the hood I see the
> starter motor has a 7/16 head on the back of it . One small turn with a
> wrench and all is well. I figured they put it there for a reason and that
> was it. Can any one tell me what the problem could be?
>
> Thank You
> Bruce P. Phillips
>
> 64 Roadster---daily
> 69 GT
> 77 Roadster
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