[Shop-talk] clean used engine before use?

[John Innis]

I have not had an engine sit "open" for this long, but for shorter
durations, even in dusty shops, I usually just blow off the surface dust
with an air hose, put clean oil in, run it for a short time, and then
change the oil and filter.  I don't like to use solvent on a motor that I
am not going to completely tear down.  Kerosene would not be bad, as it
still has some lubricating properties.  Anything more volatile than that
and you risk scoring bearings and valve guides on startup.

On Thu, Apr 1, 2021 at 3:26 PM Steven Trovato <strovato at optonline.net>
wrote:

> I have a 4 cylinder MG engine that was removed from a car in good
> working order.  I know the previous owner and I trust him.  The
> engine has been stored without valve cover, oil pan, manifolds, etc
> in a working garage.  It basically just sat in the corner for a year
> or so.  I would like to use this engine as is, without disassembling
> further.  My question is, how would you clean this before use?  I
> could use a hose, but I am concerned that water will get trapped in
> inaccessible places.  I also considered spraying it down with
> WD-40.  They make a "big blast" version with a wide area
> spray.  There isn't any major dirt I'm trying to deal with, but I
> figure a couple of grains of sand could have landed in it
> somewhere.  It seems like a rinse would be a good idea.  Thoughts?
>
> -Steve T.
>
>
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