bai78
Surviving
About a year ago I ran seafoam in the brake booster line in my Tahoe and about a week later I had to replace the injectors (not related) and had noticed when I pulled the plenum that the seafoam only cleaned the rear 4 cylinders and the front 4 were still extremely dirty. So what are you guys doing to get to the front 4? Are you poring some down the TB?
Either feed it through the TB, or better still in the PCV vacuum line.