Gary,
The screw goes in the top of the rear rocker shaft support as tight as you
can get it. The oil comes to the shaft through a vertical hole in a rocker
shaft support. The oil goes thru the inside of the shaft and out through
holes in the shaft to the rocker arms. There are small holes in the rocker
arm for oil to exit and oil the pushrods and valve tips.
I have a remanufactured shaft assembly with the shaft hard chromed and the
rockers bronze bushed. The mystery screw is included.
Stan
============
At 12:57 PM 11/4/01 EST, Geegc@aol.com wrote:
>As those who know me can attest, I am mechanically challenged. If it screws
>into the top of the tower, it would block any oil coming out of the top of
>the shaft. Is this what it should do? What effect is there to run with it
>off, as I have been doing? Does it screw all the way in, or only part way?
>
>Also, there are two threaded holes in the flat part of the top of the head
>that take the same size threaded bolt, but are empty. Any one know what
they
>are for? Why are they threaded?
>
>Gary C
>red one
>black one
>
>
>In a message dated 11/4/01 6:05:28 AM Pacific Standard Time,
>datsunmike@nyc.rr.com writes:
>
>It screws into the tower with the oil passage in it to lube the shaft.
>
>>
>> Mike
>>
>> ----- Original Message -----
>> From: "Victor Laury" <vlaury@earthlink.net>
>> To: <Geegc@aol.com>
>> Cc: <datsun-roadsters@autox.team.net>
>> Sent: Sunday, November 04, 2001 1:31 AM
>> Subject: Re: Question re Burg/Mystery Part?
>>
>>
>> > It's the rocker shaft fixing screw. the same used on my truck. It screws
>> > into one of the towers and into the shaft, fixing it into place.
>> >
>> >
>> > ----- Original Message -----
>> > From: <Geegc@aol.com>
>> > To: <datsun-roadsters@autox.team.net>
>> > Sent: Saturday, November 03, 2001 9:30 PM
>> > Subject: Question re Burg/Mystery Part?
>> >
>> >
>> > When I took the valve cover off my 1966 1600 I found a loose headless
bolt
>> > (with a screw slot in one end) among the rockers and springs. It is
about
>> > 3/8 inch in diameter. It appears to fit in one of the rocker arm
>> supports,
>> > or in one of two holes in the top of the head, but I can't find anything
>> > about it in the service manual or parts book. My son said the part is
>> > called
>> > a burg in bicycle land (usually seen in much smaller sizes holding knobs
>> on
>> > shafts). It may be part number 55, 56 on Gordon's
>> > http://www.gordon-glasgow.org/Images/4.gif
>> >
>> > Does anyone know what it is for, which of the three holes it goes into,
>> how
>> > far in it should be screwed, and whether there are any other parts there
>> > that
>> > work with it.
>> >
>> > Thanks.
>
>///
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