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dual cp3 questions

6.3K views 14 replies 9 participants last post by  cumminalong  
#1 ·
Im ready to pull the trigger on a dual cp3 setup and some larger injectors. Curious as to what size of injectors is going to start hindering fuel economy, and would daily driving be out of the question? I wanna run some industrial in jection r5 300hp nozzles any input would be appreciated. Am running airdog 150 and ii sb62 turbo, compounds in the future as well
 
#2 ·
FWIW, I wouldn't run 300hp injectors with a single 62, even if twins are in your future. Thats a sh!t load of fuel for that little guy. Get the twin pumps and save up for twins, then throw the stix and twins on at the same time. Plus, if you're worried about MPG's, I wouldn't think that a set of 300hp nozzles are going to "help" you in that department.

You could always have Exergy put together a set of stix for you, to match your 62, then send them back to those guys after you throw your twins on. Just an idea.
 
#3 ·
Thank you for the reply, im not solely worried about mpg but I don't want an outrageous mpg drop .as it is my dd. How substantial of a drop do u think it would be from 100hp nozzles and single I have? Thats what im currently running. I know its a big generization but im just curious before I make a big financial mistake
 
#4 ·
Not sure what year your truck is but with proper tuning (EFI, UDC, or the new H&S custom stuff coming out) there is NO need for nozzles that big..Or anywhere near 300 hp size..

900+ hp has been reached with some 160's and some nitrous...So 300's is CRAZY!
 
#5 ·
Guys have complained about mileage with 50s. If fuel economy is really an issue 50-60 is all I would do. With the right set up you can still hit 650 with those little nozzles, and you will have a chance at ok mileage. I said a chance some have noted a large drop even with small sticks.
 
#6 ·
WOW 300HP sprayers with Duals,that a competitions setup,Many owners are making 800/1000HP on single pump,With todays modded singles Duals are just NOT necessary unless you want more then 1000hp or competition engine.

Mileage and Hr consumption will suffer in most cases 90s or bigger .
 
#7 ·
Listen to Todd from T&C 300hp injectors on single 62 suprized that truck still running unless you baby it to death.Running dual's is okay if you going a full blown race or sled truck for a daily driver i wouldnt recommend it..There are lots of guys running a big single pumps with 150's or 200's makeing very nice power like 1000hp + with that set on twins.Dan Vallance owner of Valair clutch lives rite down the road from me and he just put twins on his CR he running exergy 100% over which is around 180-200 hp injectors and a big single injection pump that things is stupid fast he can punch it at 65mph and smoke the tires he drives it everyday.So i would rethink the duals and 300hp injectors on a DD.:thumbsup:
 
#9 ·
Just though I would add, there is a forum member I've spoken with that has used 2 different big single pumps, first was an 85% over and a very reputable shop was only able to tune upper 700's on fuel with 180's and a big single. Went with a different big single for alot of dough IMHO and was only able to get 14whp worth of fuel over the 85% pump. His tuner tOld him he needed more pump. This is with EFI live, data logging, dyno tuning you name it. He has plenty of air btw
 
#10 ·
^^^^ sounds like he needs to call shane at motorsports and ask him what a 85% actually puts out :hehe:
 
#11 · (Edited)
I dont believe that.Im makeing 735 with a single 60% and 150's on medium sized turbo fuel only.And have i know let see 4 people who makeing rite at 900hp with a single pump and some 200hp injectors fuel only ive been at two diffrent dyno's with those trucks.Sounds like his tune wasnt rite to me. Or the pumps he got werent what they said..There are some massive single pumps out in the market these days.And one of those guys who makes a badass pumps posted on this thread.
 
#12 ·
The sellers of Dual Pumps Will always tickled the buyers ears,they NEVER tell you the downside of owning Duals, More electronics,Hardware,lines,$$$$, ETC,the biggest deception is YOU need 100% more fueling all the Time,or you are sharing the load.Duals DO NOT share the load,they create the exact same that's requested,So for the DD you are increasing the forces 100% of the time,( 99% of the time NOT necessary for the DD) trouble shotting with duals is a nightmare, Duals have they place at the Track they will make faster times,it will come at a cost if something goes wrong.I will sell you duals if you want them, I recommend them for 1000hp or more setup correctly.
 
#13 · (Edited)
To the OP, how much power do you want this truck to make?

THAT, in and of itself, is what dictates what size injectors, pump(s) and turbos you use.

The numbers in my signature are on the little azz set of 150's / 160's that Dave mentioned, and I'm not pushing them with any crazy rail pressure. I only run 24,500 psi on the rail. I'm bumping those up to a set of 125% - 150% over Exergy's to feed the setup that I'm putting together now, but that's for a 1200 HP setup.

As for the single or dual pump thing, again, that depends on how much power you want to make. I've been running this set of stock duals (OEM and LBZ) for probably 4 years now. There is NO ISSUE with DD'ing a set of duals what so ever. Some of the plumbing that is used isn't my favorite, but that's something easily fixed if you really want to fuel the fire.

All you have to do is answer these questions....

1 - How much power do you want to make or how fast do you want to go?
2 - What do you NEED the truck to do EVERYDAY?
3 - What would you LIKE the truck to be ABLE to do?

Answer those and you'll get the setup that works.
 
#14 · (Edited)
1st I am NOT a HP JUNKIE.My (1) foremost concern is longevity and Durability,I have been running 26/28K on My 03 form 2004 to current, the 1st 5.9 pump was 80% formerly know as the wild Pump it went 128K and was R/R out and Now lives in a pulling truck in WI,this engine still has its factory Sprayers only remove to install 90s for 1 month, this truck pulls 20/30k in stop and go traffic Daily (Shammrock will verify the scale Tickets), this Motor has tore up 1 build trans 104K,1 diff 118K, 2 Drive axles rear ,12 front U-Joints,it will be 10 years old 10-22-12,this engine would love to live the life of competition,It runs (Idle) on the job site daily 2/4hrs lifting My electronic lifts,I have owned or operated 100s of different trucks in My fleet (Construction company) dealt with 10s of thousand truck owners over 34 years of experience,I have work under contract for Cat,Cummins,others,I have access to mosts of the TQ labs available Here in the Metro.
Nothing wrong with being a HP junkie, (If thats what you enjoy) I talk to 800/1000hp owners everyday.

We sponsor 1 2006 5.9 that makes 900/1000Hp Duals. My enjoyment is making My truck make some $ and hauling *** while doing it, that stays to together for years and cost pennies on the dollar to operate.

If You want HP NO problem ,its much easier then putting one together that last for years under DD conditions.In most cases YOU can't have both (600+Hp), the HP truck will eventually suck up your wallet if you plan on having it Last or operate pennies on the dollar.

TWR keeps close records on Every Vehicle the company owns.On paper that 2003 has made the company over $100.000.00s ..I like. I also know of 3 local owners with 400K+ on CRs (many others) still going strong and making $$$$ at 450+hp.

On edit; The last time I dyno the 03 502hp 1003TQ , Max HP with the 90s 603HP it been running the Banks T-Dog stacked for 5 years and the Banks form 2004. I had Joe ***** build My own OP system back 2005.
 
#15 ·
Well, I will certainly disagree that you can't make 600 HP live and be a daily. That's simply not the case. This truck has been over 700 for the last 5 years and over 900 for the last 2 of that. The only reason it gets torn down is to go bigger and this thing WAS driven EVERYDAY, doing EVERYTHING, that a truck does. Hell, I can't even turn it down to 500 hp without putting an underground mining operations tune on it. On a bone stock tune and nothing but hardware it'll still do 520 hp to the wheels.

600 HP is barely taxing a stock motor, the only thing getting abused is the transmission. The drive axles don't even make a whimper at 600 hp. That's only about 1200 ft/lbs and they'll easily handle close to 2000 ft/lbs before they get close to the edge.

600 isn't even at the limit of a stock pump. We routinely put 626 - 658 through stock CP3's with no issue. Over that they can't handle, but up through 90 HP injectors, there's no need to run a modified or dual CP3's. Hell, that's nothing but an adjustment to the FCA pulsewidth to handle that.

But, none of that is relevent until the OP states what he needs and wants the truck to do. Otherwise, what he's getting is suggestions in the blind. You can't recommend parts and components until you know the intended use of the vehicle.