A "TUGLY" QUESTION
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Posting Guru
Joined: Oct 2012
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From: Hat Creek Ca
A "TUGLY" QUESTION
Has anyone tried using a fiber optic camera to check the condition of their in tank fuel pick-up to determine if the Hutch Mod is necessary or not? Have no idea if those things are safe in that environment or not much less the availability of a light source of some sort. Fiber-optic also?
Elder User
Joined: Mar 2012
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Haven't tried it. Most USB type or inspection type cameras that are waterproof have a sealed electronics module with lights at the end of the wand. The big question is is the wand long enough to check through the fill neck? Would be interesting to find out.
9 ECHO 1
Joined: Aug 2009
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From: Missouri
I have a fiberscope at home. Am I putting it in my tank? Ha. No.
If the tank needed the work, you'd know. They run fun until they don't. Mine has never been done and is fine so far.
But now it's going to clog next week watch...
If the tank needed the work, you'd know. They run fun until they don't. Mine has never been done and is fine so far.
But now it's going to clog next week watch...
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Posting Guru
Joined: Oct 2012
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From: Hat Creek Ca
Thanks, the reason I ask is I am not sure if the truck will just suddenly stop or if there are any indications or warning signs in advance like change in engine sound or gradual loss of power ETC. I have run mine down to a bit south of 1/4 tank with no real issues, just to see if there is a problem. ( Got a 2.5 GAL can with me in case )
Cargo Master
Joined: Apr 2007
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From: St. Louis, Mo.
Ya- Ive got one that says its water proof but I wouldnt take a chance on it with diesel b4 calling the manufacturer of the scope. Too expensive
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9 ECHO 1
Joined: Aug 2009
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From: Missouri
Well if the foot is broken off that's another problem. It will kinda stutter then shut off quickly if its broken
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to answer the question, i'd say no. It can not see the packed screens, since their incased in the housing. Reason i say this, is me and buddy just dropped his tank a few weeks back. The white capsule looked spotless, and thought, damn, probably didnt need to do the hutch mod. After further inspection, when we cracked the capsule open, about 1/3 screen was left clean, other 2/3 was filled with crap.
Logistics Pro
Joined: Aug 2009
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From: Arizona
Mine didn't need it at 140K, screens were spotless. I did it anyway, the screens are not the only benefit. By eliminating the quick connects you eliminate air in the fuel and by clipping the overfill tube you gain about 5 gallons of capacity. Plus, it is only a matter of time, or one bad tank of fuel, might as well just do it.
Hotshot
Joined: Jan 2011
Posts: 18,849
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From: Puget Sound
Has anyone tried using a fiber optic camera to check the condition of their in tank fuel pick-up to determine if the Hutch Mod is necessary or not? Have no idea if those things are safe in that environment or not much less the availability of a light source of some sort. Fiber-optic also?
Mine didn't need it at 140K, screens were spotless. I did it anyway, the screens are not the only benefit. By eliminating the quick connects you eliminate air in the fuel and by clipping the overfill tube you gain about 5 gallons of capacity. Plus, it is only a matter of time, or one bad tank of fuel, might as well just do it.
Foot drops happen, but they are not in the majority... air in the fuel is. Just because your truck ain't dead, doesn't mean it ain't a hurtin'. Nobody can possibly know how loud their truck is or how much performance they've lost until after they've conducted a Hutch mod.
"Performance? Nobody said anything about the Hutch mod being about performance. Tugly's on another uber-**** kick while looking at some obscure sensor on AE again."
Yes and no. Fuel pressure is about reloading the injectors quickly after each firing. Quick disconnects introduce bubbles into the fuel line, and the fuel pump converts the bubbly fuel into foam. That foam can't separate out completely in the fuel bowl (even with an FRx), so it reaches the injectors. 0.14 CCs of foam in each of your sticks. Enter the oil: The oil is pushing against your foam to blow it out the injector nozzle, but air compresses, where fuel does not. Your fuel has a "give" to it, like running on sand. Running on sand takes more effort to do the same work, while it takes more oil to keep the same Injector Control Pressure. A WOT run will exceed tthe HPOPs abiltiy to keep up (enter Tugly's focus on an "obscure" AE sensor - ICP). ICP is the real fuel pressure... and those quick disconnects are robbing you of that.
Oh... and the truck runs quieter too. Just thought I'd mention that nice byproduct.
Almost forgot... air in fuel shortens the life of your injectors.
I'm not saying don't wreck your camera, I'm saying I wouldn't.
I'm having difficulty answering this today... the guy at the Western Union office is rusty with his Morse Code.
Cargo Master
Joined: Oct 2009
Posts: 2,500
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From: South Carolina
It could be used to check the foot but will not work to see the screens, so it is not the tool for the job.
A fuel pressure gage is more effective for this. Clogging screens, low pressure & power loss. Broken foot, little or no pressure & it may not run.
A fuel pressure gage is more effective for this. Clogging screens, low pressure & power loss. Broken foot, little or no pressure & it may not run.
Hotshot
Joined: Jul 2008
Posts: 12,782
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From: N.GA Mountains
to answer the question, i'd say no. It can not see the packed screens, since their incased in the housing. Reason i say this, is me and buddy just dropped his tank a few weeks back. The white capsule looked spotless, and thought, damn, probably didnt need to do the hutch mod. After further inspection, when we cracked the capsule open, about 1/3 screen was left clean, other 2/3 was filled with crap.
Clogged screens will produce a repeatable/predictable WOT fuel pressure drop. The larger the drop, the more plugged the screens are. You are not likely to notice a drop in power until you get below 20psi - but power loss starts about 40psi. This does not happen overnite - unless ya put sticks and leaves in your fuel tank...
People get all excited recommending gauges and seldom is Fuel Pressure in the top three gauges. This is a true diagnostic tool and is equally as important as boost and EGT.
