Ok here is some updated info, finally able to get back to it. We have 14in of vacum teed in just before the MAP sensor. There is 165-175psi for compression. Check the secondary ignition with scope. We have for cyl 1,12kv; 2,1kv;3,3kv;4,1kv;5,10kv;6,11kv. This ... Login to read more.