I'm getting rather low vac at idle.. like 12-13 psi at 800 rpm. The compression is good, 110 all around, umm the idle is fine. I've tried removing a vac line while at idle and then the idle becomes unsteady and bounces etc.. oh well probably gonna get "search" with this one.. but i just thought i'd ask

 

If you are putting out 12-13 psi at 800 rpm then you are the man . I will ship my car to you to modify .You are the new hero .

 

I think you mean 12-13 inches of mercury (vaccum) On the other hand you might give us some more info. Last time you changed the plugs, mods, what were you doing before this. Good luck

 

opps yah sorry pulling vac, umm changed the plugs less than like 500 mile ago, added a fc1000 ignition, pfc. straight pipe back.

 

K I really need some help on this since it has been a while and I am not any closer to finding the problem. I recently added a FC1000 ignition box and i noticed that the vac has dropped even lower now. Knock levels have been normal, but not the vac is like at 10-12 at 800rpm. I am gonna change out the plugs soon.
I am running a relocated (behind the ABs) seq system, power fc, intake, midpipe, exhaust, fc1000 ignition, T2 coil pack. I am kind of leaning away toward a vac leak because the idle is pretty good. it doesn't bounce around and stuff. any suggestions or methods to trouble shoot would be great.
oh i've also done a compression test. 110 psi on all faces front and rear rotors.