Deep in the plenum there is some waxy-based [stuff] that the cleaner can destroy. If it does, it is said there is no repairing it, only replacing. I can't remember, but the plenum new OEM is something absolutely outrageous. I mean, hundreds, and hundreds, and hundreds...


Big Truck: 00, 3.5, Endeavor, 5-Spd drive line in hand!
Little Truck: 87, 2.6T I/C, MT, LSDs, Tonneau Top
Her Truck: 03, 3.8, 20th Anniv, 65k
Daughter's: 06 Eclipse, Keeping it Mitsu!
FSMs: MitsubishiLinks.com