Refer here:
http://www.lycoming.textron.com/supp...Operations.pdf
Pages 43-44 and 65
Don't forget to refer to the POH for any power setting restrictions.
A brief bit on CHT page 51-52.
Off the thread a little - One other useful section is 54-56 regarding sticking valves. One such event was a slightly sticking valve at start up that was actually caused by one of the 2 springs broken. At some stage would have ended in tears if left unattended.
A link to the some other Lycoming stuff:
Key Reprints - Lycoming