Well WD40 isn't really a cleaner but it will clean some stuff. It isn't really a good lubricant either, but it will do that a bit too. WD40 is best used for wetting the cylinder walls when installing pistons. Use a brake cleaner if you are trying to get some really gooey stuff off and it won't leave a residue or a good parts washer is a nice thing to have.
Most of the people on here are torqueing the stock head bolts to around 72 to 75 lbs, but again it depends on what you are using for a lube on the threads. My ARP studs call for 80 if using their lube but they say 130 if you use a 30 wt oil. That makes no sense to me so I will use their lube. I can't imagine 30wt oil being that slick to require that much torque, but that is what they say.
I usually go up to about 40 lbs first then up by 15lbs each time then a final check to the correct torque.
Hope this helps some.
Russ
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