[Mgs] Ugly tappets

Richard Ewald richard.ewald at gmail.com
Sun Jan 11 15:18:29 MST 2009


Can you install just new tappets?
Sure.
The question is should you install just new tappets?  IMHO no.  Tappets are
supposed to spin while the engine runs.  It appears to me that your tappets
haven't been spinning, causing the concave wear pattern.
If it were my engine (and I have BTDT) I would install a new cam and new
lifters.
$.02
Rick

On Sun, Jan 11, 2009 at 12:22 PM, Max Heim <max_heim at sbcglobal.net> wrote:

> Before I started reassembling the head on my MGB, I thought it would be
> prudent to take a gander at the tappets. It turned out they were pretty
> nasty looking. See photos here:
>
> http://www.flickr.com/photos/mvheim/sets/72157612402265283/
>
> In brief, they were pitted, the edges were chipped, and none of them showed
> the faintest trace of convexity -- in fact, they would be better described
> as concave. Numbers 4 and 8 even had clear wear patterns showing that they
> had not been rotating at any time recently.
>
> Curiously, the cam lobes themselves appeared perfectly smooth, with no
> grooves, and the plating did not appear worn through.
>
> So I'm wondering if I can just install a new set of tappets and break them
> in. Comments?
>
>
>
>
> --
>
> Max Heim
> '66 MGB GHN3L76149
> If you're near Mountain View, CA,
> it's the primer red one with chrome wires
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