Good stuff....Neil
----- Original Message -----
From: "J. Scott Morris" <jstmorris@yahoo.com>
To: "Big Sixer" <healey@ledwith.com>; <healeys@autox.team.net>
Sent: Thursday, April 15, 2004 5:49 PM
Subject: Re: Timing the engine ?
> Hello Ryan; The following is from Jim Werner's excellent web site. Hope
it helps.
>
****************************************************************************
*******
> From a BMC technical service bulletin dated September 1, 1964
> ------------------------------------------------------------------------
--------------------
> Re: Ignition Timing for Austin Healey 3000 Mark I, II and III.
>
> We have received many requests asking for the actual crankshaft pulley
measurements
> necessary for adjusting and checking the ignition timing. We would like
to advise
> you that the corresponding distance from the T.D.C marking on the
crankshaft pulley
> is as follows:
> 5 degrees - 17/64" ( .265625 or 6.747 mm )
> 10 degrees - 17/32" ( .53125 or 13.494 mm )
> 12 degrees - 21/32" ( .65625 or 16.669 mm )
> 15 degrees - 51/64" ( .796875 or 20.241 mm )
>
> Source: http://hometown.aol.com/bgahc/myhomepage/auction.html
>
> --Scott Morris
>
> --- Big Sixer <healey@ledwith.com> wrote: << My Bentley book says set
the timing for my BJ7 at
> 15 degrees BTDC. Which is great, but my vibration damper only has a little
notch in it. I
> estimated the diameter of the damper and using a protractor, estimated
that 15 degrees is about an
> inch on the edge of the damper, which I marked with a bit of white paint.
Is that about right for
> 15 degrees? How have others determined what is the right amount. When I
moved it to about 1" and
> 1/4 " it ran faster and a bit smoother, but I got some backfiring and a
rumble that sounded like
> after burners. Also, the engine ran on after shutting it down. What's that
all about? What's the
> story with timing? If it is too retarded, what are the symptoms? What are
the symptoms for being
> too advanced? I've been working on cars for 25 years and still forget this
stuff. I guess that's
> because the car hasn't been running for 8 years. Ryan BJ7 >>
>
> =====
> J. Scott Morris - Keep Smiling, Murphy Lives
>
> ______________________________________________________________________
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