You did that test already?! Wow your quick. Anyway it does seam like a vacuum leak. I can stall my car when I do that test. Go buy some Ether and spray it around your gaskets. Especially around the intake manafold. When you hear your RPM's shoot up you have found the leak.yeahi said:from what u say i think its an air leak because it doesnt drop past 1k at all.