Re: Distributor Question
"Bob" <email@example.com> wrote in message news:XYACf.476$tG1.firstname.lastname@example.org...
> "Rick" <email@example.com> wrote in message
>> <firstname.lastname@example.org> wrote in message
>>> I recently replaced the distributor in my Ford F-150 400eng. with a
>>> rebuilt from the local parts store. I have poor eyesight, and could
>>> not read the timing marks real well, so I timed it "by ear". The
>>> other day a friend came to visit from out of town. He's a retired
>>> mechanic. I told him the old truck still had a miss. He said he would
>>> set the timing for me using the timing light. He took off the
>>> distributor cap and immediately said there is supposed to be a felt
>>> thing in the center of the shaft, under the rotor. He said it's not
>>> I know what he means, I have seen them in other distributors. I
>>> always thought they were there for lubrication of the shaft, but he
>>> said the real reason they are there is to prevent a spark from popping
>>> thru the rotor and shooting down the shaft hole. I thought he was
>>> "pulling my leg", and laughed. He said he is serious....
>>> I trust this guy, and he was a very good mechanic. But this sounds
>>> real weird. Is this for real, or is he really pulling my leg?
>>> In the meantime, the parts store said they dont sell them separately,
>>> and do not know how to get them.....
>> Fireater is correct-it's a lubrication wick...
> Except that it lubes the lobes that cause the points to open and not the
> mechanical advance.
>That is why the point sets came with a packet of cam lube, at least the
>Motorcraft sets; the felt wick became a point of curiosity after that. Of
>course, after 30 years of cars not using points, everything about that
>technology is mainly curiosity....but I digress- back to the original post,
>what works really well to see the timing marks is white-out from an office
>supply place- the pen type works best, as you can draw a thin line with it.
>You may have to look real close at the pulley to find the marks, as they
>weren't real visible, but once you find and mark them, the timing light
>really shows up the white-out. What I usually did was to draw a line the
>full width of the pulley at the tdc or zero line, then a shorter line at
>the actual timing mark- this makes setting timing really accurate and also
>helps to set the engine at tdc for other work.