It wasn't hard at all- I watch a YouTube video, found it incredibly helpful and accurate. The only things I'd add-
-use some Hi Temp RTV or above mentioned dental floss trick to keep the gasket in place on cover.
-Yes, use a torque wrench, rated in in/pounds. I was WAY over tightening the bolts. 89 in/lbs, or 7.44 ft/lbs, is hard to gauge for the novice. (like me).
Have a lot of paper towels handy for clean up, wiping down the surfaces of the block and valve cover.
https://www.youtube.com/watch?v=ksB6...st=WL&index=11