Brandon Rogers wrote: > Any additives that clean out any carbon deposits? I've heard SeaFoam and GM's Top End Cleaner do a good job on carbon, but they do lay down a neighborhood-filling smoke screen. Techron is a good pour-in-your-tank injector cleaner. -- Kent McLean '91 200 TQA, no name yet '94 100 S Avant, "Moody" '89 200 TQ, "Bad Puppy" up in smoke