0 compression but the cam is turning.... Something fishy there... Did he also offer to buy it for dirt cheap too?
If the motor is cranking and the cams are turning then there should be compression somewhere.
Do the cams turn when you crank the motor with the starter. Maybe just maybe the crank...
Was it you that put the head on. Did they get all off the valve chunks out of the cylinder (assuming thats what happened) Did you check to make sure the junk yard head was good and dosent have bad valve guides?
My gf has a 2000 prizm. The motor originally had the variable valve timing which had bad valves. So I replace the head to save time since I had to do all this in one day and it was a Sunday so no machine shop was open to take care of the valves. So the head I used was a '99 corolla without the...