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Buckey
In my experience the rocker towers and not made in sets. So they do not hav=
e all the bores at the same height. Ideally you should be able to slide the=
rocker shaft into the pedestal's easily after they are torqued to specific=
ation. In reality I doubt you will be able to get them in at all. Shimming =
and aligning the towers will help, but it is time consuming and hard to get=
them so the shaft will just slide in. I may to fussy but the reality is th=
e support towers should be at least close to keep for stressing the shaft. =
I also like to swap rockers around and shim them to get them, so they are n=
ot so far off center on the valve stem. This helps prevent side loads on th=
e valve guides. You do not want them perfectly centered so the valves rotat=
e slightly under use.
Steve C
=20
=20
-----Original Message-----
From: webuck1 <webuck1@cox.net>
To: Edward Brorein <edbro03@yahoo.com>; List for the Z Magnette Group - Nor=
th America <zmagnette@autox.team.net>
Sent: Sat, May 31, 2014 12:37 am
Subject: Re: [Zmagnette] engine rebuild question
OK. One more question, Do I need the shim for the middle rocker pedestal?
Buckey
---- Edward Brorein <edbro03@yahoo.com> wrote:=20
> Hi Buckey,
=20
I am guessing you are referring to a Moss catalog, MGA by chance?
=20
Anyway, there is only on locating screw and lockplate to hold the rocker sh=
aft,=20
which go on the end rocker assembly pedestal. There is a corresponding hole=
=20
drilled in the rocker shaft that the nose of the locating screw goes into. =
No=20
lockplates or screws on the other pedestals.
=20
Ed
________________________________
From: "webuck1@cox.net" <webuck1@cox.net>
To: "zmagnette@autox.team.net" <zmagnette@autox.team.net>=20
Sent: Tuesday, May 27, 2014 1:46 PM
Subject: [Zmagnette] engine rebuild question
OK. I am 99.9% done with my rebuild. Here is my question for you rebuilders=
:
The head has a screw in part called screw- rocker shaft locating (on pg. 10=
, #92=20
of catalogue spring/summer 2014). The other three push in pieces that look =
the=20
same as the screw are missing. Do I :=20
A) Buy three screws and grind to push fit,
B) just use a washer and nut with no lock plate piece # 91, as above.
What say you.
Buckey in hot AZ.
_______________________________________________
Zmagnette mailing list
Archive: http://www.team.net/archive
@yahoo.com
_______________________________________________
Zmagnette mailing list
Archive: http://www.team.net/archive
@aol.com
=20
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<font color=3D'black' size=3D'2' face=3D'Arial, Helvetica, sans-serif'>
<div><font face=3D"Arial, Helvetica, sans-serif" style=3D"background-color:=
transparent;">Buckey</font></div>
<div>In my experience the rocker towers and not made in sets. So they&=
nbsp;do not have all the bores at the same height. Ideally you should be ab=
le to slide the rocker shaft into the pedestal's easily after they are torq=
ued to specification. In reality I doubt you will be able to get them in&nb=
sp;at all. Shimming and aligning the towers will help, but it is =
time consuming and hard to get them so the shaft will just slide in. I=
may to fussy but the reality is the support towers should be at least clos=
e to keep for stressing the shaft. I also like to swap rockers around and s=
him them to get them, so they are not so far off center on the valve stem. =
This helps prevent side loads on the valve guides. You do not want them per=
fectly centered so the valves rotate slightly under use.</div>
<div>Steve C</div>
<div> </div>
<div> </div>
<div style=3D"color: black; font-family: arial,helvetica; font-size: 10pt;"=
>-----Original Message-----<br>
From: webuck1 <webuck1@cox.net><br>
To: Edward Brorein <edbro03@yahoo.com>; List for the Z Magnette Group=
- North America <zmagnette@autox.team.net><br>
Sent: Sat, May 31, 2014 12:37 am<br>
Subject: Re: [Zmagnette] engine rebuild question<br>
<br>
<div id=3D"AOLMsgPart_0_be67b4aa-c89a-4a14-b7b5-b585281afa48" style=3D"marg=
in: 0px; color: rgb(0, 0, 0); font-family: Tahoma, Verdana, Arial, Sans-Ser=
if; font-size: 12px; background-color: rgb(255, 255, 255);">
<pre style=3D"font-size: 9pt;"><tt>OK. One more question, Do I need the shi=
m for the middle rocker pedestal?
Buckey
---- Edward Brorein <<a href=3D"mailto:edbro03@yahoo.com";>edbro03@yahoo.=
com</a>> wrote:=20
> Hi Buckey,
I am guessing you are referring to a Moss catalog, MGA by chance?
Anyway, there is only on locating screw and lockplate to hold the rocker sh=
aft,=20
which go on the end rocker assembly pedestal. There is a corresponding hole=
=20
drilled in the rocker shaft that the nose of the locating screw goes into. =
No=20
lockplates or screws on the other pedestals.
Ed
________________________________
From: "<a href=3D"mailto:webuck1@cox.net";>webuck1@cox.net</a>" <<a href=
=3D"mailto:webuck1@cox.net";>webuck1@cox.net</a>>
To: "<a href=3D"mailto:zmagnette@autox.team.net";>zmagnette@autox.team.net</=
a>" <<a href=3D"mailto:zmagnette@autox.team.net";>zmagnette@autox.team.ne=
t</a>>=20
Sent: Tuesday, May 27, 2014 1:46 PM
Subject: [Zmagnette] engine rebuild question
OK. I am 99.9% done with my rebuild. Here is my question for you rebuilders=
:
The head has a screw in part called screw- rocker shaft locating (on pg. 10=
, #92=20
of catalogue spring/summer 2014). The other three push in pieces that look =
the=20
same as the screw are missing. Do I :=20
A) Buy three screws and grind to push fit,
B) just use a washer and nut with no lock plate piece # 91, as above.
What say you.
Buckey in hot AZ.
_______________________________________________
Zmagnette mailing list
//www.team.net/donate.html</a>
Archive: <a href=3D"http://www.team.net/archive"; target=3D"_blank">http://w=
ww.team.net/archive</a>
Forums: <a href=3D"http://www.team.net/forums"; target=3D"_blank">http://www=
.team.net/forums</a>
tte/edbro03@yahoo.com" target=3D"_blank">http://autox.team.net/mailman/opti=
ons/zmagnette/edbro03@yahoo.com</a>
_______________________________________________
Zmagnette mailing list
//www.team.net/donate.html</a>
Archive: <a href=3D"http://www.team.net/archive"; target=3D"_blank">http://w=
ww.team.net/archive</a>
Forums: <a href=3D"http://www.team.net/forums"; target=3D"_blank">http://www=
.team.net/forums</a>
tte/laverda@aol.com" target=3D"_blank">http://autox.team.net/mailman/option=
s/zmagnette/laverda@aol.com</a>
</tt></pre>
</div>
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