1) try adjusting your idle adjuster screw once the engine is warmed up
2)
http://www.c-speedracing.com/howto/timing/timing.php
3) Is the pump working? Is the belt on? Are the lines connected? Is the belt tensioned?
4) :dunno:
I would not reuse those plugs. Just spring another $2/ea and get some new NGK coppers.