Hi,

> Thought about that but I wonder how easy it would be to remove socketed
> ICs and things of that nature.  Not to mention de-soldering something if
> need be.

    I would avoid using sockets as much as possible for an automotive
application. You can use the best sockets ever made and will probably still
have problems. If it really needs to be done and you have no other options
glue the chip to the socket with water soluble silicone rubber. Most
conformal coatings on the market allow reworking quite easilly but you have
to remember that the board has to be free of any flux residues, specially
the no-clean fluxes. Any acids that are trapped inside the coating will
react with the components and traces. Coatings are great but have to be used
with much care. An IP-66 or 67 box is a much easier option.

Best regards,
Alexandre Guimaraes

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