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Author Topic: tier 4 diesel ?  (Read 2559 times)

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Offline dgdrls

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Re: tier 4 diesel ?
« Reply #20 on: December 24, 2017, 01:23:08 PM »
How does EGR exhaust gas return have anything to do with coolant loss.   

 :P :P Got a lot to learn

some exhaust gas is recirculated (EGR) to the intake system chamber/manifold via a "cooler".  Coolant/antifreeze  system is plumbed into the system to cool the gasses before they re-enter the motor.  If the EGR cooler fails you have lost the closed circuit of the coolant/antifreeze system.

 D

Offline JB Griffin

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Re: tier 4 diesel ?
« Reply #21 on: December 25, 2017, 09:36:58 AM »
To my knowledge,  the 7.3's never had an egr. All 6.0 (junk) did.
2000 LT40hyd remote 33hp Kubota, 160 Prentice, Frick 2 saw gang edger, Wright W-37 ABG, Suffolk dual tooth setter, Cat claw single tooth setter,'96 F-250 7.3 PSD 4x4, CS-590 Echo, MF 20c, M681 Memo.

1.8 million bdft sawn with a Baker Dominator and counting.

Offline chevytaHOE5674

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Re: tier 4 diesel ?
« Reply #22 on: December 25, 2017, 09:57:56 AM »
Yup, not for me. Give me a mechanical injector pump and lift pump and a couple of wires running to a keyswitch and starter and I'm good.

Then you better ditch the PSD. No injector pump or anything mechanical about it. Ha :D


Correct no EGR on the 7.3`s

Offline Dave Shepard

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Re: tier 4 diesel ?
« Reply #23 on: December 25, 2017, 12:26:39 PM »
I think we have slowly been moving away from reliability ever since we stopped using steam. :D
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Offline JB Griffin

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Re: tier 4 diesel ?
« Reply #24 on: December 26, 2017, 07:05:41 PM »
Yup, not for me. Give me a mechanical injector pump and lift pump and a couple of wires running to a keyswitch and starter and I'm good.

Then you better ditch the PSD. No injector pump or anything mechanical about it. Ha :D


Correct no EGR on the 7.3`s

Yeah I know,  been seriously considering building a 6.9/7.3 hybrid with a banks or sidewinder turbo. And while I'm at it might as well put on a gear vendors o/d unit too.
2000 LT40hyd remote 33hp Kubota, 160 Prentice, Frick 2 saw gang edger, Wright W-37 ABG, Suffolk dual tooth setter, Cat claw single tooth setter,'96 F-250 7.3 PSD 4x4, CS-590 Echo, MF 20c, M681 Memo.

1.8 million bdft sawn with a Baker Dominator and counting.

Offline chevytaHOE5674

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Re: tier 4 diesel ?
« Reply #25 on: December 26, 2017, 09:16:36 PM »
I had a 6.9 with lowered compression, head studs, ats turbo, intercooler, zf 5 speed, worked over pump and it still wasn't as stout as my 7.3psd that had stacked tuners, and an exhaust......

Offline JB Griffin

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Re: tier 4 diesel ?
« Reply #26 on: December 26, 2017, 09:27:00 PM »
What tuners you runnin? I'm runnin an edge programmer set on the lowest settin (60hp) no pyro so I just keep it there. Also I've got a full 3" down pipe and no cat, still have muffler not a stock but a straight thru.
2000 LT40hyd remote 33hp Kubota, 160 Prentice, Frick 2 saw gang edger, Wright W-37 ABG, Suffolk dual tooth setter, Cat claw single tooth setter,'96 F-250 7.3 PSD 4x4, CS-590 Echo, MF 20c, M681 Memo.

1.8 million bdft sawn with a Baker Dominator and counting.

Offline chevytaHOE5674

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Re: tier 4 diesel ?
« Reply #27 on: December 26, 2017, 09:52:56 PM »
And older bully dog plug in box and an outlook tuner. I have a 4" downpipe and full exhaust, full set of gauges, cold air intake, added "helper" fuel pump, heavy duty clutch and rebuilt zf6, 4.10 gears and 250k miles of hard living. Ha

I run on the 100hp run and just watch my egts and boost when towing heavy.

Offline JB Griffin

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Re: tier 4 diesel ?
« Reply #28 on: December 26, 2017, 10:13:53 PM »
Super duty. You told that when you said 4in dp and zf6. Possible in a obs but a royal pain.

Also I'm runnin a Luk smf clutch and a zf5 with 4.10 gears limited slip in rear. 55mph ar 1950rpm.
2000 LT40hyd remote 33hp Kubota, 160 Prentice, Frick 2 saw gang edger, Wright W-37 ABG, Suffolk dual tooth setter, Cat claw single tooth setter,'96 F-250 7.3 PSD 4x4, CS-590 Echo, MF 20c, M681 Memo.

1.8 million bdft sawn with a Baker Dominator and counting.

Offline brianb88

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Re: tier 4 diesel ?
« Reply #29 on: December 26, 2017, 10:23:43 PM »
I have a 2007 Chevy Duramax with complete delete of the emissions control. I installed an EFI live tuner/with a 5 position switch that is adjustable from stock HP (position 1) to adding 200 HP(position 5) according the book. I have never run it in the 5th position(highest). I haven't had any problems with mine so far and I've got 160000+ miles on it. I'm not into racing trucks or even running mine hard, but this truck will get some yonder if you step on it.

I would be hesitant to buy another diesel with all the emission controls on them now.
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Offline Southside logger

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Re: tier 4 diesel ?
« Reply #30 on: December 27, 2017, 12:05:56 AM »
I have a 2007 Chevy Duramax with complete delete of the emissions control.

LBZ - the cats meow of any diesel engine out there.  My '06 has over 400,000 on it now, 95% towing a goose neck, and she still gets 20 mpg on the highway, as long as I keep my foot out of it.  EFI Live installed by Idaho Rob himself, I had him put a "valet" tune on #5 as I did not see any reason to intentionally destroy my transmission. 
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Offline JB Griffin

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Re: tier 4 diesel ?
« Reply #31 on: December 27, 2017, 11:01:55 AM »
Did they get the injector problems fixed on the lbz?
I've seen several older duramax that needed injectors about every 100k.
2000 LT40hyd remote 33hp Kubota, 160 Prentice, Frick 2 saw gang edger, Wright W-37 ABG, Suffolk dual tooth setter, Cat claw single tooth setter,'96 F-250 7.3 PSD 4x4, CS-590 Echo, MF 20c, M681 Memo.

1.8 million bdft sawn with a Baker Dominator and counting.

Offline scully

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Re: tier 4 diesel ?
« Reply #32 on: December 27, 2017, 11:10:00 AM »
Tier 4 is a disaster . My 2014 RAM will be getting a full delete I am not putting up with this crap .
I bleed orange  .

Offline Southside logger

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Re: tier 4 diesel ?
« Reply #33 on: December 27, 2017, 02:55:00 PM »
Did they get the injector problems fixed on the lbz?
I've seen several older duramax that needed injectors about every 100k.

LBZ never had an injector problem, mine are original.  The LB7 - 1st generation, was an issue as the injectors were under the valve cover - not a good plan at all. 
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Offline JB Griffin

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Re: tier 4 diesel ?
« Reply #34 on: December 27, 2017, 09:41:45 PM »
The one with problems were 01-04 or there bouts that I saw. So Lb7's I guess.  I'm a Ford guy, but those lb7 can get seriously impressive milage the best I saw was 25hwy. :o that was in a 2500hd 4x4.
2000 LT40hyd remote 33hp Kubota, 160 Prentice, Frick 2 saw gang edger, Wright W-37 ABG, Suffolk dual tooth setter, Cat claw single tooth setter,'96 F-250 7.3 PSD 4x4, CS-590 Echo, MF 20c, M681 Memo.

1.8 million bdft sawn with a Baker Dominator and counting.

Offline Southside logger

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Re: tier 4 diesel ?
« Reply #35 on: December 27, 2017, 09:53:40 PM »
Yea, the LLY came out in late '04 I think, they had some overheating issues as some of the coolant passages were too small and they may have had some injector issues at first too, I really don't remember, but the LB7's  are the ones that had the majority of the injector problems, the aftermarket injectors solved the issue finally. 

Funny thing was when I bought this truck I went to the Ford dealer as I was peeved at GM over the whole Government Motors issue, I told them what I needed and that I was looking for a truck now.  The guys response was to "come back in a couple of weeks and look around".  So I literally drove across the street to the Chevy dealer and there was this '06 sitting there complete with the LBZ.  Made the deal and when leaving I drove back over to the Ford dealer, walked in to the sales guys office and asked him if he remembered me from earlier in the day, I then pointed to the dually parked in front of his big window and promptly walked out.   
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Offline PA_Walnut

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Re: tier 4 diesel ?
« Reply #36 on: December 28, 2017, 06:34:51 AM »
Got Tier4 on my Kubota tractor and my Chevy truck. Hate it on both.

The tractor keeps track of the particulate filter and then goes into Regen mode to burn it off. You can delay it, but it becomes more and more persistent and cuts power.

Truck does it kinda transparently but smells like it's on fire when it does a regen.

I will delete both as soon as I figure it out. Not only is it a PITA, but the joys of having diesel is rolling some coal when you want (need) to.  8)



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Offline starmac

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Re: tier 4 diesel ?
« Reply #37 on: December 28, 2017, 03:25:33 PM »
Under what conditions would a guy need to roll coal??
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Offline Kbeitz

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Re: tier 4 diesel ?
« Reply #38 on: December 28, 2017, 05:18:31 PM »
That video is not even funny... Stupid kids...
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Offline Grizzly

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Re: tier 4 diesel ?
« Reply #39 on: December 28, 2017, 05:23:01 PM »
I can't view the video but some of us old truckers have some appreciation for seeing some coal roll. It just does something for the blood/diesel mixture. But if that video was of a pickup truck then it has nothing to do with what an old trucker does. An old cat grunting a little at 1300rpm to top a hill is different than what some of these blokes do with a little pick up truck.
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