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Offline Bigdave_185

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Re: LML Duramax build Part 5
« Reply #450 on: May 13, 2018, 06:49:49 PM »
I have a Fass it’s been ok, whines all sorts of bad.  Weather it’s my mount and not enough rubber or  the pump I am not sure. 


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Offline TexasRedNeck

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Re: LML Duramax build Part 5
« Reply #451 on: May 13, 2018, 06:59:49 PM »
You sure it’s not the tune?

Timing can really accentuate the knock. Probably had to increase timing to accommodate the pulse width needed for the larger turbo

Sounds like you might need some 30 overs to complete the package??


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Offline rpar86

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Re: LML Duramax build Part 5
« Reply #452 on: May 13, 2018, 07:00:24 PM »
I have a Fass it’s been ok, whines all sorts of bad.  Weather it’s my mount and not enough rubber or  the pump I am not sure. 


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Do you have a sump? Probably the draw-straw issue.


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Re: LML Duramax build Part 5
« Reply #453 on: May 13, 2018, 07:52:02 PM »
Did you get a tire pic?

What about Kennedy for the pumps?
Negative

Kennedy is pump only, no air separation which these piezo-electric injectors really need for a complete (long) life.
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Re: LML Duramax build Part 5
« Reply #454 on: May 13, 2018, 08:00:00 PM »
You not mail in your warranty card for the AD?


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I have replaced the motor in that thing twice already! Twice in less than 80,000 miles.

I have been doing my homework. Air Dog uses Chinese motors! Boom! Should have known. Replaced the first one then had another issue, and got a second motor which they did not warranty. Like $250 if I recall.
But the big issue to me is that these Air Dog units will not go the long haul (Read: Unreliable)
I can't have that in my truck. THat's the reason I just forked over five grand for a CP3 and new turbo. Reliability and knowing the thing will be around for the long haul.
Nothing I have ever seen in Air Dog has ever shown me it is reliable. Thinking about it, way back in like 2012, I had an issue with the thing leaking out of a fitting, then if I recall, a cracked housing.
Even if I have that wrong, this pump failure rate is such that in an aviation application it would never get certified.

Contrarily, I see testimonies of Fass systems going 750K-1,000,000 miles trouble free. 97% American made (Not just assembled) with an American motor.

Decision is made, I am switching to a fass and making the Airdog a target for my 7.62 next weekend...I'll post pics.
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Offline Bigdave_185

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Re: LML Duramax build Part 5
« Reply #455 on: May 13, 2018, 09:00:49 PM »
I have a Fass it’s been ok, whines all sorts of bad.  Weather it’s my mount and not enough rubber or  the pump I am not sure. 


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Do you have a sump? Probably the draw-straw issue.


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From conversations with Fass they don’t see I needing a sump, he said the GM doesn’t have near the issue.   I have considered my hose routing being the issue


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Offline JR

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Re: LML Duramax build Part 5
« Reply #456 on: May 13, 2018, 09:41:10 PM »

Decision is made, I am switching to a fass and making the Airdog a target for my 7.62 next weekend...I'll post pics.

That deserves a video!
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Offline BobbyB

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Re: LML Duramax build Part 5
« Reply #457 on: May 13, 2018, 09:45:14 PM »
Decision is made, I am switching to a fass and making the Airdog a target for my 7.62 next weekend...I'll post pics.

You finally mount the scope?
So, Bobby...being the calculating trained warrior NCO that you are.  Take the appropriate action, Execute!
your standard grunt level CQB is just putting rounds and rounds on scary stuff till it stops scaring you!

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Re: LML Duramax build Part 5
« Reply #458 on: May 13, 2018, 10:15:58 PM »
Decision is made, I am switching to a fass and making the Airdog a target for my 7.62 next weekend...I'll post pics.

You finally mount the scope?
No, different 7.62

Was referring to the .300 BlackOut build.

Haven't zeroed that one yet. Just got done with the boys M4 and .308 Savage which is actually a pretty nice shooting gun with a horrible trigger.
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Offline JR

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Re: LML Duramax build Part 5
« Reply #459 on: May 14, 2018, 12:15:13 AM »
Your gonna like the 300. Recoil of the AR with the up close hit of the 7.62.
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Re: LML Duramax build Part 5
« Reply #460 on: May 14, 2018, 08:51:17 AM »
Your gonna like the 300. Recoil of the AR with the up close hit of the 7.62.
:-)
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Re: LML Duramax build Part 5
« Reply #461 on: May 14, 2018, 10:00:53 AM »
I just talked to some folks about the available fuel pump/filter systems.

I have a strong consensus that Fass is by far the best. One retailer I spoke with earlier today said they were seeing returns and unreliability on the AirDog systems, but almost no warranty returns on the FASS systems

One thing I learned is that with FASS, the number on the unit represents actual fuel flow numbers. For example, the FASS 95 unit actually pumps 95 gallons an hour at 10 psi.

However with respect to the AirDog system, the number associated with the pump is just a part number. For example my unreliable AD-165 actually does not even flow 95 GPH! I consider that deceptive which is in my book dishonest. I witnessed a test where the AD-165 was tested against the FASS 95 system at 10psi. THe FASS 95 out flowed the AD-165 by a few GPH!

So I will be purchasing the FASS 165 which will support up to 900 HP. That easily covers the 620HP that my truck can produce. The FASS also has a lifetime warranty and an advertised 15,000-17,000 life cycle which roughly equates to 700,000 miles.

The cost is fixed by FASS, so this was expensive, but I feel a final solution to my on-going long term Air Dog failure problems which have let me down now nearly half a dozen times in 80,000 miles.
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Offline Bigdave_185

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Re: LML Duramax build Part 5
« Reply #462 on: May 14, 2018, 09:15:26 PM »
A solution for every problem. What did that run ya from the Cananada folks?


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Re: LML Duramax build Part 5
« Reply #463 on: May 15, 2018, 08:22:07 AM »
A solution for every problem. What did that run ya from the Cananada folks?


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???
Tune?
Pump?
????
Nicht Verstand
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Offline Armalite

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Re: LML Duramax build Part 5
« Reply #464 on: May 15, 2018, 05:10:23 PM »
Nice build Don.  Glad to know you persevered.  Hopefully you can fix the sound so you are 100% satisfied, instead of just 90%...

I ran FASS on my LML.  Installed at 20k miles, and was never touched up until I traded it in with 100k plus.  Just changed fuel filters every 10k miles. 

Offline Bigdave_185

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Re: LML Duramax build Part 5
« Reply #465 on: May 15, 2018, 07:44:52 PM »
A solution for every problem. What did that run ya from the Cananada folks?


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???
Tune?
Pump?
????
Nicht Verstand
The pump. Where did you buy it from ?


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Offline JR

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Re: LML Duramax build Part 5
« Reply #466 on: May 15, 2018, 10:24:03 PM »
Maybe just add a resonator vs a new muffler. Muffler would change the tone, but not the wrap like a ford has. A resonator might mellow the poping sound.
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Re: LML Duramax build Part 5
« Reply #467 on: May 15, 2018, 10:50:25 PM »
So, today was install day for the FASS pump which is the Titanium series, 165 gal/hr.

The install is straight forward.

The part that complicated matters was the facts that I had an Atlas fuel tank which is a lot longer than the sticker and covers up the area where you need to make a hose connection. That was further complicated by the fact that that Atlas has 50-55 gallons of go-juice in it so moving it around is not possible.

The other thing that complicated matters was the prior Air Dog which I had to remove, tracing wires and hoses and mounts and a bunch of stuff. And lucky me, I had previously installed a whole bunch of zip ties to the hoses on top of the tank. That isn't a show stopper since you can still access the top of the tank area, but only with hands, not with hands guided by Mark-1 Eyeballs.

But I enjoyed an added bonus, While I was messing around I grabbed the exhaust pipe to pull myself along and it was completely loose. Seems I neglected to tighten a band clamp and the whole aft section of the system was free floating and rattling around. Plus there was a pretty good gap between pipes, so i was getting some un-muffled exhaust note.

I haven't driven it since the install, so i won't know just yet, but I am hopeful it may be quieter now that everything is snugged down.
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Re: LML Duramax build Part 5
« Reply #468 on: May 15, 2018, 10:51:01 PM »
Brown truck left this:
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Re: LML Duramax build Part 5
« Reply #469 on: May 15, 2018, 10:52:46 PM »
It contained the wiring harness, 14 feet of hose, the pump, hardware and the brackets
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Re: LML Duramax build Part 5
« Reply #470 on: May 15, 2018, 10:53:35 PM »
The filters are twice the size of the Air Fog unit
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Re: LML Duramax build Part 5
« Reply #471 on: May 15, 2018, 10:54:25 PM »
The coated steel brackets looked to be laser cut and of high quality
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Re: LML Duramax build Part 5
« Reply #472 on: May 15, 2018, 10:56:07 PM »
I installed the decal first. This one is rated at 61 additional ft/lbs at the rear wheels and three extra MPG!
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Re: LML Duramax build Part 5
« Reply #473 on: May 15, 2018, 10:57:16 PM »
It was a bit of a chore fishing out the old Air Fog harness and cable. I ended up taking the knife to the worthless not so long lasting chinese made junk
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Re: LML Duramax build Part 5
« Reply #474 on: May 15, 2018, 10:58:42 PM »
Taking out Mr. Fong Wong fool pump was a chore as well. Everything was full of fuel, and everyone knows how much fun it is to wallow around in fresh diesel whilst working on one's truck
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Re: LML Duramax build Part 5
« Reply #475 on: May 15, 2018, 11:00:16 PM »
Once the worthless Chinese junk was out of the way, I fished the new harness back to the approximate location, then slid the new fuel return manifold into place.
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Re: LML Duramax build Part 5
« Reply #476 on: May 15, 2018, 11:02:33 PM »
With the FASS install you connect the harness to the pump and run WD-40 through it to prelube it while it is out of the truck. Pretty cool. and I was immediately very delighted about how quiet this pump is compared to Dr. Wong's Shanghai special.
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Re: LML Duramax build Part 5
« Reply #477 on: May 15, 2018, 11:04:18 PM »
The mount kit hangs the pump from a bed bolt. It has long slots which allow for just about any mounting height you would want. Here the bolts are loose and the pump is at the bottom of its "Travel" which I used to attach the lines mo-easierily
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Re: LML Duramax build Part 5
« Reply #478 on: May 15, 2018, 11:06:40 PM »
Is this the best location? Well, time will tell, but it is what FASS tells you to do. I will double down on this by adding a section of rubber mat just aft of the filter supported by the wheel house. This should prevent pesky rocks from making holes in those filters

Slide the assembly north and snug the bolts and just like that, she's all disappeared.
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Re: LML Duramax build Part 5
« Reply #479 on: May 15, 2018, 11:13:45 PM »
That's water all over the floor. I was tired of doing the back stroke in expensive diesel, so I washed it off, then knocked a good quantity of mud from the underside of the truck to mix with the water on the clean floor, so I could get back to playing and acting like a pig on a summer afternoon.

Anyway, some shots from ground level peeking up and you can see it does tuck up pretty well

I spent some eight hours on this install, but most of that time was messing with removal of Dr Fong's fumper and noise generator.

Did I mention that Air Dog products really suck? Probably didn't. So for the record. AirDog stuff is Chinese made junk. THe company misrepresents the product leading people to believe their junk pumps more than it does. Mine has been a source of problems constantly over 6 years of ownership. After seeing the robust quality of an American Built FASS pump. I feel like I was swindled, having purchased that Air Dog Behzhing cobbled together wanna be crap.
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Offline JR

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Re: LML Duramax build Part 5
« Reply #480 on: May 15, 2018, 11:35:26 PM »
Looks good under there. Covered with diesel is better than gas!!!

Is there a way to protect that pickup line or run it on the inside. It just looks exposed there asking for something to happen.

My lift and filter are in the same spot. I added a piece of tin there for protection. I could just the you know from the tires doing something to it.
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Offline longball

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Re: LML Duramax build Part 5
« Reply #481 on: May 15, 2018, 11:45:02 PM »
I was thinking the same thing about the pickup line. Glad you got an American made pump Chief. Hopefully it'll last for many years.


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Re: LML Duramax build Part 5
« Reply #482 on: May 16, 2018, 12:44:49 AM »
I have had rubber floor mat in front of my pump in the same location.  Worked well to keep mud and snow from building up on it.   It has since weathered and cracked off.  Gone.    I do have some patterns to follow to cut out of stainless that once I find time will cut out of what I have. 


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Offline TexasRedNeck

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Re: LML Duramax build Part 5
« Reply #483 on: May 16, 2018, 07:39:06 AM »
Oh yeah. I can see Chief snagging that pickup line and getting stranded


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Offline stlaser

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Re: LML Duramax build Part 5
« Reply #484 on: May 16, 2018, 08:09:08 AM »
Im thinking the next chainsaw he runs over will reach up & take a bite out of it.....
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Re: LML Duramax build Part 5
« Reply #485 on: May 16, 2018, 09:19:39 AM »
The tank has a sump, easily enough to see.

In the past I had a stainless steel shield I had made up covering the line, which was held in place by really large zip ties.

I had no zip ties of that size hanging around so I couldn't do anything to secure the shield.

I'll either remount the shield I made or see about purchasing the Atlas skid shield which is made for that tank

The problem with the latter choice is that the shield is made to fit the flat bottomed tank, and would not easily accommodate the nearly 2" deep sump. Now I could make it fit by just forcing it into place, but at the moment I am not comfortable with that option. So, likely, I'll just remount the skid I have used for years.

I think I'll also come up with a forward wheel house liner extension to keep flying rocks from hitting the filters. Have a trip to the farm coming up, so I'll take note of the mud pattern on the pump to get an idea of the amount of protection required.
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Offline JR

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Re: LML Duramax build Part 5
« Reply #486 on: May 16, 2018, 01:38:54 PM »
I would simply form a plate that goes between the 2 tank mounts. If yours mounts like mine you have a bar across the front and a strap in the rear. Couple bolts in the front, zip ties in the rear and a piece of plastic plastic sheet.

I have the skid for my tank and it would not accommodate that sump well.
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Re: LML Duramax build Part 5
« Reply #487 on: May 16, 2018, 02:51:54 PM »
I would simply form a plate that goes between the 2 tank mounts. If yours mounts like mine you have a bar across the front and a strap in the rear. Couple bolts in the front, zip ties in the rear and a piece of plastic plastic sheet.

I have the skid for my tank and it would not accommodate that sump well.
I'll look at options in a couple days, busy now with other things.
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Re: LML Duramax build Part 5
« Reply #488 on: May 19, 2018, 10:16:04 AM »
The week after report:

OK the pump is functioning perfectly so far. It is so quiet that I can barely hear it. The Air Fog was noisy, very noisy by comparison.

I actually have a couple of things to report on. Next the turbo/CP3/Motor-Ops tune is really working well. I just towed light to/from the farm averaging 16.8 for the trip. Please remember that that is with 37" mud tires and 4.56 gears. I think that is fantastic for an everyday rig capable of putting down 600+ at the rear wheels.

Finally, the BFG's Mud Terrains just really impressed me with their "Mud" performance. So I have been down at the farm where it has rained for three days. I finally came home having to drive out seven tenths of a mile in slippery gooey mud. Because of the traction they afford, my wheelbase and weight (9,000 lbs give or take) and that wonderful Grizzly locker, the truck barely spun at all, and that was with my pulling a trailer through all that mess. I am convinced a regular 1/2 ton truck would have remained mired in all that mess until conditions dried, but my Silverado HD with those GoodRich mud terrain tires pulled me through it all.

The wear I am getting on them is not all that great, but mud tires seldom last very long. And that Grizzly locker will definitely chew on some rubber over time, mandating a good rotation cycle, which I have established. I rotate every 5,000 miles, using a five tire rotation schedule.

So far, so good!
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Offline Bigdave_185

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Re: LML Duramax build Part 5
« Reply #489 on: May 19, 2018, 06:49:38 PM »
I would like to see someone photos of what you call the gooie mess and Rita and so forth. 


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Re: LML Duramax build Part 5
« Reply #490 on: May 19, 2018, 07:01:29 PM »
Has tightening up the loose exhaust help quiet it down some?
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Re: LML Duramax build Part 5
« Reply #491 on: May 19, 2018, 08:54:04 PM »
Has tightening up the loose exhaust help quiet it down some?
The raspy note is gone and the rattling sound, but it does not sound like a Duramax any more. Sounds just like an older powerstroke. I'll bet those motors had the same type compressor wheel or exhaust housing or both to produce that same pulse type sound.

I'll definitely be looking for a larger/quieter muffler.
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Re: LML Duramax build Part 5
« Reply #492 on: May 19, 2018, 09:10:47 PM »
Sounding like a power stroke is an improvement in the right direction if you ask me...... :tongue:
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Re: LML Duramax build Part 5
« Reply #493 on: May 20, 2018, 01:01:04 AM »
Sounding like a power stroke is an improvement in the right direction if you ask me...... :tongue:

^ should fire him for blasphemous comments like this one, boss.


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Re: LML Duramax build Part 5
« Reply #494 on: May 20, 2018, 08:06:10 AM »
Sounding like a power stroke is an improvement in the right direction if you ask me...... :tongue:

^ should fire him for blasphemous comments like this one, boss.


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He should fire me but believe I’m still currently on the fired list from last time. It happens so often I lose track....
Living in the remote north hoping Ken doesn’t bring H up here any time soon…..

Offline BobbyB

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Re: LML Duramax build Part 5
« Reply #495 on: May 20, 2018, 08:16:11 AM »
Well he can fire me as well. I've been looking at Powerstrokes too. Granted I'm definitely not buying one anytime soon, but I'm watching.
So, Bobby...being the calculating trained warrior NCO that you are.  Take the appropriate action, Execute!
your standard grunt level CQB is just putting rounds and rounds on scary stuff till it stops scaring you!

Offline Bigdave_185

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Re: LML Duramax build Part 5
« Reply #496 on: May 20, 2018, 11:27:12 AM »
My whole company drives fords, our excavation company uses all fords.  I drive the bosses (gas motor) and I swear the seat is hard as a rock.

I do like most of the features otherwise like the adjustable pedal height.  It makes good power, toss our trailers just fine, feels really stable while towing also. 

I like the factory ground clearance in the ford.  Where any GM truck I would purchase would need a six inch lift to get the new truck into the site, or a bunch of dirt to make a solid pad to drive over the curb and sidewalk.   

The ride really well for solid front axles, I might eat some humble pie and buy one one day.


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Re: LML Duramax build Part 5
« Reply #497 on: May 20, 2018, 04:10:01 PM »
Sounding like a power stroke is an improvement in the right direction if you ask me...... :tongue:

^ should fire him for blasphemous comments like this one, boss.


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You know, I should.

Recommendations?
Site owner    Isaiah 6:8, Psalm 91 
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Re: LML Duramax build Part 5
« Reply #498 on: May 20, 2018, 04:11:18 PM »
Sounding like a power stroke is an improvement in the right direction if you ask me...... :tongue:

^ should fire him for blasphemous comments like this one, boss.


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He should fire me but believe I’m still currently on the fired list from last time. It happens so often I lose track....
If you keep pushing me, I'll reinstate you just to fire you again!
Site owner    Isaiah 6:8, Psalm 91 
NSDQ      Author of the books: Distant Thunder and Thoren

Online Flyin6

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Re: LML Duramax build Part 5
« Reply #499 on: May 20, 2018, 04:16:14 PM »
My whole company drives fords, our excavation company uses all fords.  I drive the bosses (gas motor) and I swear the seat is hard as a rock.

I do like most of the features otherwise like the adjustable pedal height.  It makes good power, toss our trailers just fine, feels really stable while towing also. 

I like the factory ground clearance in the ford.  Where any GM truck I would purchase would need a six inch lift to get the new truck into the site, or a bunch of dirt to make a solid pad to drive over the curb and sidewalk.   

The ride really well for solid front axles, I might eat some humble pie and buy one one day.


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I owned two
The first a non powerstroke 1992 F250 that I installed a hypermax turbo onto, but soon traded it on a 94 F250XL with the brand new PS 7.3

It was a tank. Lifted 4", Riding on 33's with a 4.10 gear and a 5-speed and a rubber floor mat and no electric or power anything. I drove it for years. Was a darned good truck, no complaints.

I think the 6.0's gave Ford a bad name which they quickly backed up with the 6.4 liter fiasco. I do believe this latest 7.3 is all figured out, although now that mine is finally modified, there is no way I am subjecting myself to that level of torture again within the next decade, so Chevy it will be for me.
Site owner    Isaiah 6:8, Psalm 91 
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