[DavidZ]

Found the block drain screws. As descried, they're by the header merges. I could see them without a mirror. Mine were 5 mm hex. Had to use a 1/4" 5 mm hex wobble and two 1/4" extensions to reach it. Major PITA. Coolant will drain everywhere of course.

Best picture I was able to take:


A little further out so you can see the general vicinity:


Mess:

Originally Posted by vastano

For those getting ready to do this, buy a brass bleeder screw from turner.

Here ya go:
http://www.turnermotorsport.com/p-21...tion-list.aspx

I can also confirm that the brass radiator screw from Turner did not fit my car. Plastic radiator drain screw "sleeve", plastic drain screw, brass drain screw and the two block drain screws:

First I tried just replacing the blue plastic screw with the brass one, but the brass one was a larger diameter. I thought perhaps the brass one replaced the whole sleeve so I removed the sleeve but it still doesn't fit (apparently the sleeve isn't even threaded). I broke the plastic sleeve so need to buy a new one now.