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Re: [T3] Running in new Pistons


----- Original Message -----
From: "Jim Adney" <jadney@vwtype3.org>


> On 22 Sep 2003 at 0:44, Mark Seaton wrote:
>
> > I spent a nerve wracking weekend removing my engine and dismantling it
3!?! as if it hasn't got enough to deal with !)
>
> Try to look on this as a GOOD thing. You found the problem and it wasn't
nearly
> as bad as you thought it might be.  ;-)

Thats very true- and it wasn't a complete waste of time as I discovered my
clutch needed changing anyway!

> > I bought new Ps and Cs
 > > Are there any recommendations for running in a new set?

> Clean the cylinders with Comet cleanser then oil them and wipe the oil
off.
> Reoil and wipe again. Repeat until they don't leave black residue on the
cloth.

Whats Comet cleanser? We've got some acetone- that should do a good job.

> > Also I'm going to replace some valves.

> I'm really picky about exhaust valves. You don't need official VW, but you
want
> a good brand. TRW valves from Brazil are good here. ATe also makes good
valves.
> I would stick with the plated ones unless you have leaded gas. This really
is
> important. Check your valve guide wear carefully. Run your magnet up and
down
> the valve stem; you'll find that parts are magnetic and parts are not.
There's
> some really interesting metallurgy going on there.

I think I'll do some more research into this brand (Osvat) I'll email them
and try and get some tech info out of them. They do seem to be chromed but
are very un-magnetic.

Mark
'73 Fasty,
London



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