Hi, Larry,
The shims impart a slight bend to the shaft so that it passes through the
rocker pedestals at a very slight angle, thus preventing it from rattling in
the pedestals.
Lawrie
British Sportscar Center
-----Original Message-----
From: Larry Hoy <larryhoy@prodigy.net>
To: mgs@autox.team.net <mgs@autox.team.net>
Date: Saturday, February 02, 2002 5:12 PM
Subject: Rocker arms
>What is the purpose of the two shims that are fitted under the two
>center rocker pedestals?
>
>My Haynes manual says, "Note the shims fitted under the two center
>rocker brackets on later engines. These shims, 0.005 in thick, should
>be fitted to early engines also, when reassembling."
>
>If I lay a rocker assembly on the head it appears to lay flat. There
>must be something I'm missing here.
>
>Larry Hoy
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