BANNED by Kris
Join Date: Oct 2011
Location: Pasadena, CA
Thanked 114 Times in 106 Posts
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Looks like your truck is pretty much stock. Your intake should only have three places that it will leak from. At the Y-adapter where it meets the turbo output there should be a rubber o-ring in there. At the base of the y-adapter are the two 2" boots that are the other place that leaks. to take the y-adapter off undo all five hose clamps, shimmy the boots up the y-adapter and remove. Shimmy the boots off the adapter and inspect. These are common places for leaks. The not so common places are all the way around the plenums (intakes attached to the heads) and the exhaust. It's fine if you have small exhaust leaks after the turbo but not before. Here the common leak spot is behind the motor there are two Up-pipes that feed the turbo from both sides of the engine. Where they meet the y-adapter for the turbine are two (one on each side) ceramic exhaust "doughnuts" (doughnut shaped exhaust gaskets). Our trucks do not meter the air going into them, only the fuel. With the PCM (and other things) saying that there is so much fuel going into the cylinder it assumes that the air is mathematically keeping up as well. All these little leaks in the system will have your engine fueling as normal by your foot pedal but the air won't be there in the quantity that is required. This causes you to push the system harder using up more fuel.
You said the truck was downed for two years? How long have you been driving it since putting it back on the road?
-'97 Mini Monster
-Bean's: 160/100 (FF Injectors), 2/ 6-POS chips (TW & Beans tunes), Overboost controller, E-Fuel
-BANKs: downpipe, full exhaust, gauges, intercooler
-Irate: T-4 kit, IC pipes, 3" Irate Plenums, BASB Turbo
-Stage II trans.
-Mag-Hytec trans. and pumpkin covers
-6637, CCV, IDM, 6.0 Fan, 49-Federal PCM swap, MAP line Mod
-370 Amp alt., 40k trans cooler, ADRENALINE PUMP
-twin on-board air w/ 10 gal. tank
-'15 F350 6.7L DRW 4x4
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