Thanks for the feedback. The locating plate does show signs on each side
that something was rotating against it. A slight polishing no real wear.
Wouldn't have suspected the oil pump played a role. Thought I was pretty
knowledgeable when I started this, but I didn't know all the things I
didn't know.
Mike
On Dec 6, 2013 9:12 PM, "richard mayor" <mayorrichard@hotmail.com> wrote:
> Mike
> That locating plate is actually the "thrust plate". The camshaft is
> located "front to back" by the oil pump driving spindle that pushes the
> camshaft forward into that thrust plate. A word of caution. A 100-6 rotor
> style oil pump puts way too much force into that camshaft and into that
> thrust plate. That's why later 100-6 thrust plates had oil grooves machined
> into them. The 3000 engines used the gear style oil pump and the problems
> went away.
> Richard
>
> > Date: Fri, 6 Dec 2013 15:47:24 -0500
> > From: ahbt71@gmail.com
> > To: healeys@autox.team.net
> > Subject: [Healeys] Cam end play
> >
> > Putting the lump back together and doing up the front plate. How is the
> > cam located front to back? There's no thrust bearing/washer just the
> > locating plate which doesn't look like a piece that deals with rotating
> > friction.
> > I just drive the cam sprocket home, tighten it down and the locating
> plate
> > takes care of it? The factory manual just states the ever-informative
> > "reassembly is a reversal....". It just doesn't feel right - too easy.
> > Cheers,
> > Mike Tobin
> > Pepperell, ma
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