100% over injectors, CP3, Stock fuel

lubeowner

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So we tested a setup today and made a couple test runs without the Airdog on. Truck has 100% over injectors, Cp3 pump, and stock low pressure fuel system, meaning it was running the stock lift pump only the feed to cp3 and the stock Ford HPFP. It would maintained desired rail pressure.

Well the test wasn't really done on purpose, we pulled the relay for the Airdog while Mike custom tuned it. He got done and we went for a test drive. We were all happy with everything and how the pressures were working. Then later we were under the hood and noticed the relay was still out.
 

Dzchey21

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i can believe that, as long as the ford pump is working you will be good, mine crapped out and the air dog had no chance to push thru it, pretty amazing what the stock low pressure system will do, I am suprised it could pull thru the air dog though. Im running straight air dog now so i only have to buy one set of filters ect
 

Heavyhaul

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So correct me if I'm wrong but this would only be true on a truck with a Cp3. Any other dual dueler or dragon fire would fail because the Cp3 has the strong draw pump.
 

Jeff@Spartan

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So correct me if I'm wrong but this would only be true on a truck with a Cp3. Any other dual dueler or dragon fire would fail because the Cp3 has the strong draw pump.

Rudy's crew cab has an Industrial pump and 60 horse nozzles with a slightly modified stock low pressure fuel system (at least it did earlier this year). They drilled out the fittings in the pump. Everything seems to work fine with that setup.
 

Heavyhaul

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But would something like 110s or 100% over be substainable with just a dragon fire and Rudys mod? That's the question.
 

Heavyhaul

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I bet someone knows the limit. But I know those Cp3 can pull in some fuel. I wonder if it had the lpfs pulled into a vacume like Dustin 's truck did that once?
 

lubeowner

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So correct me if I'm wrong but this would only be true on a truck with a Cp3. Any other dual dueler or dragon fire would fail because the Cp3 has the strong draw pump.

Best part is you can get more fuel then most trucks will ever need and you don't have to do one single thing to the low pressure fuel setup. I would suggest an airdog but it doesn't appear that it is really needed. Also you can do a CP3 cheaper then you can buy a Dragon Fire if you do it yourself.

But would something like 110s or 100% over be substainable with just a dragon fire and Rudys mod? That's the question.

There is a big difference between 110hp injectors and 100% overs.

I bet someone knows the limit. But I know those Cp3 can pull in some fuel. I wonder if it had the lpfs pulled into a vacume like Dustin 's truck did that once?

There is a difference between the two trucks as his truck lost the factory pump.
 

Dzchey21

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Yes a CP3 will actuall pull fuel alot better than a factory ford pump, but they still need postive pressure to work at their best.

Dockboy dynod 900+ a month or two ago with his fuel system shut off on accident LOL


I dont know how much different lubes 100% are then 110s but my guess is 100% are about double the size of 110s, a flow bench is about the only way to prove that
 

Heavyhaul

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Best part is you can get more fuel then most trucks will ever need and you don't have to do one single thing to the low pressure fuel setup. I would suggest an airdog but it doesn't appear that it is really needed. Also you can do a CP3 cheaper then you can buy a Dragon Fire if you do it yourself.



There is a big difference between 110hp injectors and 100% overs.



There is a difference between the two trucks as his truck lost the factory pump.
I just thought pulling through the disconnected airdog would create a restriction. Of course a ceased pump would create more than a free spinning pump.

Yes a CP3 will actuall pull fuel alot better than a factory ford pump, but they still need postive pressure to work at their best.

Dockboy dynod 900+ a month or two ago with his fuel system shut off on accident LOL


I dont know how much different lubes 100% are then 110s but my guess is 100% are about double the size of 110s, a flow bench is about the only way to prove that
That's crazy it pulled its own fuel in. He must have oversized lines at least?
What do you think 40% over are comparable to?
 
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lubeowner

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I have absolutely no Idea what percentage over Elite nozzles are compare to stock. In the duramax common rail terminology A 100% over nozzle should basically make 100% more power then stock so since the 6.4 is a 350hp engine it should be considered a 350HP nozzle.

The American Ride is running 150% over nozzles with a similar LPF setup and HPF setup. It just doesn't have the upper fuel bowl so the Airdog runs straight into the VDO pump. It still uses the stock fittings on the pump. Those nozzles are starting to draw some rail pressure down. So those nozzles seem to be the limit of a stock Ford pump and a stock CP3 setup. Might have to someday upgrade its setup to a modded cp3 if Guy can get this new turbo setup to work and it needs more fuel.
 

EDP

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I have absolutely no Idea Then you should refrain from making comments like this >>>> In the duramax common rail terminology A 100% over nozzle should basically make 100% more power then stock so since the 6.4 is a 350hp engine it should be considered a 350HP nozzle.

A 100% over nozzle is not rated in a hp level or power level of any sort. It is simply stating the fuel flow output at a set calibrated flow test.

A good healthy set of Stock LB7 injectors will flow in the area of 80-90ml/min at 160 mpa

100% Final flow number will only vary a little bit mainly depending on injector body and if Bosch motorsport nozzles are used.

Our 6.4 injectors are done the same way.



Good discovery. Another step in the right direction for cheaper HP.

A Cp3 is not designed to draw or suck fuel. Your already weak pump from being turned on off by a toggle switch is now failing at an even faster pace then before.
:doh:
 

lubeowner

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What does the lift pump on the back of the pump do? I find it funny how you comment on how the cp3 is controlled yet you have no idea how it is really contolled. Yes there was a switch installed on joes but just to test with and without the pump only. It has nothing to do with the pressure regulation. Also some things were put on joes truck just to throw off the guys trying to copy it that do absolutely nothing.
 

EDP

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What does the lift pump on the back of the pump do? I find it funny how you comment on how the cp3 is controlled yet you have no idea how it is really contolled. Yes there was a switch installed on joes but just to test with and without the pump only. It has nothing to do with the pressure regulation. Also some things were put on joes truck just to throw off the guys trying to copy it that do absolutely nothing.

Yep we have absolutley no idea how a CP3 works. So after we all tell you your an absolute idiot for putting it on with a toggle switch you have now found a new ingenious way to control it. All the more reason I am done calling out your extreme lack of intelegence so you can learn from it.

As for the the copy comment. You truely are now showing your true colors yet again. Timeline and wittnesses are solid.
Glad to see you did a couple extra oil changes to scrounge up some extra money and become the true deffinetion of gutter/basement shop. I find it amussing how you get on a forum and state you have four trucks with cabs off like your some big shop. Last time I was in Platteville you where infront of a computer screen at a lube shop with no vehicles in the lot except your POS replicated never going to happen puller and some pos gray car. You go around to big name shops trying to sell your hacked up stolen ideas and get denied by all reputable names.

Your a JOKE.


by the way you have yet to have any comment how you got called out on Duramax injectors.

Its poeple like this dirt bag that I have no interest in being on forums anymore.

One last thing booner I scene how you made a valient attempt to fix the plumbing on the great american ride after it came back from BWD. LOL:doh: Not only that hows the head gasket issue on the truck that hauls the american ride doing.......heard you had your hands on that one as well. One thing is good about you now making an attempt to become an official diesel shop is it keeps us busy fixing your hacked up work.
 
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lubeowner

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I like how you have nothing better to do then make up lies about me. I said this months ago and will stick to this. I will continue to pretend that you don't exist. Obviously I am doing something right since you can't do the same. Thanks for keeping my thread at the top.
 

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