ChevyCobb

Just to update...
Got back to the tuner and ended up having to take a good bit of air out of it...less than stock. Drives fine now until it wants to drop too low and almost stall, but I'm wondering if there really is a vacuum leak that I cant track down.

rvillarreal

Hello there, I have a similar set up as yours with the ported MSD intake manifold. Mine was doing the same and it ended up being two blown o-ring gaskets. Hopes this helps.

ChevyCobb

That's where I feel my next step is heading. Pull it all off again and recheck all gaskets.

Michael_D

Smoke test it first, might save you a bunch of time, effort and headaches.

ChevyCobb

I'll try to find someone in the area that has one that I can get to.
Until then, maybe I found a possible culprit when just giving a look around.
Brake booster grommet

Michael_D

They are not difficult to make. Google "paint can smoke maker" over at YouTube. That grommet might be your problem. Sure can't be helping anything......

ChevyCobb

Wow that would be a lot cheaper with that method.
So if this does turn out to be my source of issues, and I replace this grommet. What will that now do with the tune? The tuner said he had to take a couple of grams out from stock. Obviously I would have to go back to him(im sure he is sick of seeing me) to correct it, but is it safe to drive around?
Edit: Replaced it and went for a drive anyway lol. Seems to idle, accel, and come down to idle MUCH more smoothly. Still drops a little below idle(probably from last adjustment but not like it will stall) but will drive more to really make sure. Either way, at least it was actually enjoyable to drive this time. Fingers crossed.