Originally Posted by frankeyser
When I was having these exact same issues what fixed everything in the end was a little high temp rtv and making sure everything on the needswings cai was snugged up. I took the tb off, lightly coated the seal with a little rtv, let it tacky up a bit, replaced and made sure it was all centered up, used my micro torque wrench to snug it up, re installed cai and not an issue since.
I also used some RTV, didn't make a difference. I am going to try the propane method this weekend and if that comes up with nothing I am going to switch back to the 68mm.