[Healeys] Strange Timing Setting

[richard mayor]

Just to add one more thing to this thread, all of the new chains do not
have a "bright" link.  So look very carefully at the picture in the manual
and count the links between the dots. This is extremely important as it is
very easy to get it off by even one one tooth.  And one tooth, either way,
will have a dramatic effect on engine performance.  In either case, it will
be bad.

On Sat, Feb 10, 2018 at 4:25 PM, Per Schoerner <per at schoerner.se> wrote:

> Patrick
> When you install the chain you should have the key ways of both crankshaft
> and camshaft approximately at TDC. This is not the same as having piston 1
> at TDC. Then you should place the bright links of the chain on the marked
> teeth on the sprockets and push them home on the shafts. Rather than
> copying the whole section A21 I urge you to read it again. I think it’s the
> TDC thing that you mixed up.
>
> Best, Per
>
> Skickat från min iPad
>
> 10 feb. 2018 kl. 23:42 skrev Patrick & Caroline Quinn <p_cquinn at tpg.com.au
> >:
>
> Hello Per
>
>
>
> I thought about that, but as No 1 is at top dead centre when the pointer
> is towards the notch in the harmonic balancer I can’t see how it can be.
>
>
>
> Many thanks
>
>
>
> Patrick Quinn
>
>
>
> *From:* Per Schoerner [mailto:per at schoerner.se <per at schoerner.se>]
> *Sent:* Sunday, 11 February 2018 6:18 AM
> *To:* Patrick & Caroline Quinn
> *Cc:* healeys at autox.team.net
> *Subject:* Re: [Healeys] Strange Timing Setting
>
>
>
> Patrick
>
> You have installed the cam chain incorrectly. I assume you have the
> workshop manual. Look in section A.25 for the correct procedure.
>
>
>
> Best, Per
>
> Skickat från min iPad
>
>
> 10 feb. 2018 kl. 11:35 skrev Patrick & Caroline Quinn <p_cquinn at tpg.com.au
> >:
>
> Greetings
>
>
>
> Perhaps someone has come across this before.
>
>
>
> About to start the engine in the BN3 after a complete rebuild. The engine
> is a very early C-series six-cylinder and the rebuild included new bearings
> throughout, pistons, sleeves, valves, vernier adjustable timing chain etc.
>
>
>
> When setting the timing all the settings were done by the book. Tappets at
> 12 thou, the pointer on the timing chain cover is pointing to the notch in
> the harmonic balancer, the gear shaft drive from the oil pump/camshaft is
> at 20 to 2 and the offset distributor drive is correct. Number 1 piston is
> top dead centre and the rocker gear is rocking.
>
>
>
> Imaging please looking down at the open distributor and it’s a clock face.
> According to the book, the rotor button arm should be at 2 o’clock or
> firing No 1 spark plug.
>
>
>
> However the rotor button is a 10 o’clock.
>
>
>
> So it’s not 180 degrees out, but 120 degrees.
>
>
>
> Of course you could get around it by changing the spark plug leads, but
> the result looks untidy. An alternative is to rotate the geared shaft drive
> clockwise by 120 degrees.
>
>
>
> Any suggestions?
>
>
>
> Thanks
>
>
>
> Patrick Quinn
>
> Blue Mountains, Australia
>
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