5.9L 24V Performance Discussion of 24 Valve 5.9 Liter Dodge Cummins Diesels with VP44 Injection Pumps Related To Performance And Longevity

performance need advice

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  #1  
Old 07-24-2009, 01:09 PM
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Default performance need advice

Looking at getting some minor performance and longevity for now. was going to order air dog from here should I get 150 or 100 not much performance probably ever 40 horse injectors and a little power from programmer eventually but ya. Does it come with a new pick up tube mine is broke about half way I think. Also going with 4 or 5 inch straight pipe will 5 inch hurt me? And the boost elbow. Don't know much about it but it should help some. And going with the K&N BHAF E-1796 Just the basics for now till I can afford a full set of gauges then I'll turn it up more. Thanks for the advice. This is mainly a work rig for hauling family, race car, tractors, hay etc.
 
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Old 07-24-2009, 01:25 PM
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get the 150 just in case you decide on more bombs down the road
 
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Old 07-24-2009, 03:24 PM
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i have the basic bd lift pump and it dose fine and i have about 350 hp. The fass 150 is what i am going to shortly
 
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Old 07-24-2009, 05:14 PM
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what about the exhaust will 5 inch hurt me for now since I may need it down the road and it's only 30 dollars more. I am used to gas and too big hurts you thanks
 
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Old 07-24-2009, 05:35 PM
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Airdog 150 and done or a MITUSA mech pump will supply you with the fuel you need.Put a price quote in to the sponsors on this site to support this site and get the best price.Opie is the person to get the MITUSA.
 

Last edited by turbo20psi; 07-24-2009 at 05:39 PM.
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Old 07-25-2009, 12:47 AM
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FASS or AirDog 150GPH both comes with a standard DSII style draw tube. If you have an intank pump, you can get a DrawStraw V and for the standard module use the DrawStraw I. This is if you want to upgrade from the basic universal kit.

Obviously, a fuel system is important. Make sure you get some kind of gauges or built in gauges in a box.

5" exhaust will not hurt you in any way. Once it's out of the turbo, it's just going to the rear of the truck. It's job is then done. There are no scavenging affects like in a gasser.

I would recommend a standard BHAF and an outerwears. No cleaning to deal with and cheap. There are also some nice high flowing dry filters as well.

Dave
 
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Old 07-25-2009, 12:54 AM
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Airdog 150
Expandit 5"
Boost Elbow

 
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Old 07-25-2009, 03:18 AM
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Originally Posted by lukesdiesel
Airdog 150
Expandit 5"
Boost Elbow

Boost elbow won't help without boost fooling.

Boost fooling will not be required without more fuel.

Dave
 
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Old 07-25-2009, 09:05 PM
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oh I see I've heard talk of boost fooling what exactly is this
 
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Old 07-26-2009, 02:55 AM
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The factory ECM cuts the fueling curve if you exceed 22 or so psi at the manifold.

You have to "lie" to the computer to tell it that it is never seeing above say 20 psi. This way the ECM does not pull the fueling back.

The turbo has an actuator that works off a boost signal. At around 20psi, the gate begins to crank and limits boost by allowing some of the exhaust(drive energy) to go around the turbine and controls the speed of the turbo and hence boost.

We lie to the actuator with an adjustable or fixed bleed boost elbow or we clamp it off altogether.

None of this matters if you do not have more fuel than stock. So, a box, injectors, programmer or a combination.

More boost at stock fueling equals more heat for the inlet charge and less power.

Dave
 
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