http://www.network54.com/Forum/74182/thread/1213704438/Smokin+FE+-+Details+about+crank+test
Also, see "pressure leak detection" section below and use air pressure to the intake side. If you use this method, best bet is to pull the rocker shafts or back off all open intake valves. Must also block all vacuum lines going into the intake. Making a simple alum/steel/wood "plate" to block off the carb pad is also required.
http://www.aa1car.com/library/vacleak.htm 
