can you siphon gas out of a 95 sunfire my parts car has a full tank and i have to drop the tank because its going into  my sisters 95 and i dont want to have to try and drop it with a FULL tank
 
there's a siphon block, so no. 
 
Have to drop the tank.  Use a heavy duty hydraulic jack and a wood block to help drop it.
 
 
if the motor is out and u can find the wires that turn on the pump wire the pump to a battery and pump it out through the gas lines into a jug