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Re: [T3] Distributor misalignment?


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OK, I've reached a situation where the timing mark on the pulley is aligned
and the rotor is pointing to the No.1 spark plug wire, whose position I have
marked with some Tippex. Can I assume this is TDC for No. 1?

Daniel




> Daniel,
>
> I once had the same sort of problem with a 1969 Type36.
> In fact, somebody had put several marks on the distributor
> rim and I didn't know which one to believe.
>
> To find TDC for cylinder number one, I took the spark
> plug out of number one, put a screw driver in the hole
> and watched the screw driver move in and out as I turned
> the engine via the generator/fan.  At the same time, I watched
> the four cams on the distributor shaft inside the distributor.
> When the screw driver was pushed out furthest through the
> plug hole I knew it was top dead centre but when this occured
> when the distrubutor cam opened the contact breaker points
> then I knew it was at the top dead centre of the compression
> stroke and not the exhaust stroke.
>
> Then I set about setting the tappets in the normal way.
>
> Simon Glen
> Toowoomba,  Australia.
>
> Daniel Baum wrote:
>
> > Hi all,
> >
> > I set out to adjust my valves today, and as usual I was stopped dead by
> > something before I even got started. It's time somebody wrote a book
called
> > "How to keep your 30 year old Type 3 that stone-age hacks have been
messing
> > about with for the last 25 years alive"
> >
> > Anyway, to the point. I searched for TDC of cylinder one., and there is
> > never a situation where the timing marks are at the top and the
distributor
> > rotor lines up with the line in the side of the distributor. The line
points
> > towards the rear right of the car at about 45 degrees. I can line up
where I
> > expected the line to be (pointing to the front right of the car at about
45
> > degrees) with the timing marks. There is (I think) a situation where the
> > bottom of the pulley (the center of the three bridged teeth) lines up
with
> > the notch.
> >
> > I conclude from this that the distributor is misaligned somehow. Can
anyone
> > tell me whether I have misunderstood something or what I need to do
about
> > it? The amazing thing is that the car runs and idles really well, and
> > frankly, I am tempted to leave well enough alone. How would I adjust the
> > valves in this situation, without messing with the distrbutor?
> >
> > BTW, I did connect up a digital tach-dwell meter (several days ago, the
> > engine is stone cold now) and it read 47.8, which I understand is well
> > within spec.
> >
> > Regards,
> >
> > Daniel
>
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