Y'see, Bob, there's my problem...........it's been so long since I looked
at the top of my PA engine, I'd forgotten there are two rocker shafts! I
really must get on with the restoration before I forget which end of the
car the engine goes..........
Lawrie
On Mon, 21 Aug 2000 13:30:00 -0600 "J.E.A.Rich" <jear@rmi.net> writes:
> Lawrie,
>
> There are two rocker shafts in a MMM engine. Viewed from either side
> , the
> hexagon on the NEARER shaft is on the left. My problem is that I
> assume
> people know what I'm talking about! Sorry.
>
> Cheers, "Bob".
>
> > From: Lawrie Alexander <britcars@juno.com>
> > Date: Mon, 21 Aug 2000 08:52:44 -0700
> > To: jear@rmi.net
> > Cc: jasper@enternet.com.au, mg-mmm@autox.team.net,
> > british-cars-pre-war@autox.team.net
> > Subject: Re: MG PA engine
> >
> > Bob,
> >
> > Can you re-visit your note and add in which side of the head you
> viewed
> > the rocker shaft from - or does your head only have one side?
> {VBG}
> >
> > Lawrie
> >
> > On Mon, 21 Aug 2000 09:39:16 -0600 "J.E.A.Rich" <jear@rmi.net>
> writes:
> >> Dave,
> >>
> >> To answer your questions, the oil holes in the rocker shafts face
> >> towards
> >> the centre of the head and line up with the oil groove inside the
> >> rocker
> >> bush. The hexagonal part of the rocker bush is on the left when
> >> viewed from
> >> the side of the head and for a PA should be installed in the
> rocker
> >> with the
> >> oil hole pointing down in the approximate 7 o'clock position but
> >> with the
> >> top & bottom flats on the the hexagon parallel with the head
> face.
> >> All the
> >> rockers should be set up like this (they are different for a J)
> and
> >> the
> >> rocker clearances adjusted by grinding the valves not turning the
> >> eccentrics!
> >>
> >> Cheers, "Bob".
> >>
> >>> From: Dwyer <jasper@enternet.com.au>
> >>> Organization: Home
> >>> Reply-To: Dwyer <jasper@enternet.com.au>
> >>> Date: Mon, 21 Aug 2000 21:16:22 +0000
> >>> To: mg-mmm <mg-mmm@autox.team.net>
> >>> Cc: british-cars-pre-war@autox.team.net
> >>> Subject: MG PA engine
> >>>
> >>> Gentlemen
> >>>
> >>> I've just started to reassemble the rocker and camgear and I've
> >> realised
> >>> there are a couple of things that I don't know about it:
> >>>
> >>> 1. The rocker shafts have a row of oil holes to feed the
> rockers:
> >> do
> >>> these holes point toward the centreline of the head, or out to
> the
> >>> sides?
> >>>
> >>> 2. The rocker bushes will fit into the rockers from either side:
> >> which
> >>> side should the hex heads be? I realise that it might not
> matter,
> >> but I
> >>> might as well put them the way the factory did if possible.
> >>>
> >>> All advice greatfully accepted.
> >>>
> >>> Dave Dwyer
> >>> Sydney
> >>>
> >>
> >
> > ________________________________________________________________
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