MH>No change on the noise.  The colder it is outside and the longer the car sit
MH>the more noticeable the ticking noise is.  Normally over 5 hours of sitting,
MH>you will hear it for about 30-60 seconds.  Then it goes completely away.

What oil are you using. That sounds just a litte long to me.
I left the really cold climate areas back in 1951 so perhaps it is the
menory?? :-)
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 þ SLMR 2.1a þ Typo Tom strikes agaoin