14mm ve pump

Ironically no one has named the part that actually dictates the pumping pressure in the injection line. The injector if drastically undersized could load back toward the IP, but it would take quite a restriction.
 
I have no honest idea, the only things I can think of that would decide injection line pressure would be restriction at the injector and the total height and profile of the lobe on the rotor.
 
bracker8040 said:
Ironically no one has named the part that actually dictates the pumping pressure in the injection line. The injector if drastically undersized could load back toward the IP, but it would take quite a restriction.
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What is the delivery valve?
 
KTA said:
40CC'S AT RPMS below 1500, no more fuel or 0cc's for rpms over 2000. So if you are looking for more smoke it will help, more power it probably won't unless you run very small injectors and a turbo setup that makes full boost at 1200-1500rpm.
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Brians quote from 1stgen about full cut delivery valves in a VE.
 
And boy do I have the info on getting larger DV put in... But I need to spend serious coin for machine work...
 
Non intercooled pumps have full cuts in stock form. DV and specifically the holder determine outlet pressure, not the injector.
 
Even if that's true, you'll still have to make enough pressure to pop your injectors. If everything is set really low you'll have a fuel slobering mess of a truck.
 
3600psi to open the injector, you really think you could decrease pumping pressure enough to not reach that point? This thread has gone from bad to worse.
 
Oh gee, more sarcastic vague posts. Looks familiar. :rolleyes:

Do you have a point to make bringing up the DVs? Do you think they're a key in improving rotor life in a performance application, and if so how?
 
I don't see what all the bickering is about....there's a proven combination that is reliable with these pumps, people should just do that! I'm not saying that there is no need to innovate, but at least get the pump, put it on, run it on a "safe" tune-up, and then go from there if you don't like what you see.
 
Glad to see the delivery valve and holder were mentioned, let me follow up the "internet engineer's" comments.

If you increase the pumping quantity via a larger plunger, and increase the injector flow rate, what have you done to remove the restriction at the pump outlet? It is well known, documented, and common to alter the delivery valve diameter, duration, and holder sizing on the P7100. Both the delivery valve diameter and holder can alter the operating pressure of the plunger no matter the pump type.

The problem is many have no interest in the VE, myself included. To those that want to take any information and put it to use, I applaud your efforts. But the same principles of making hp with diesel fuel apply no matter the platform, moving more fuel over less time increases hp, as does timing and pressure.
 
Not trying to be rude, but I have tested many of the same parts and ideas on a different platform, therefore I can agree with what Brian says on most aspects. But there are many myths that sound better on the internet than in real life. I am constantly testing parts of one form or another because I like hard data, whether or not it proves or disproves my theories.
 
I agree with Jason and Andy as well. I know there are lot's of people that don't give a crap about the VE. That's all fine and dandy, but don't run down the innovators and pioneers of VE performance, or act like everything that applies to the P7100 applies to the VE.

Continue to act like every other vendor is ignorant, and I'll continue to buy my parts from someone else.$.02
 
JQmile said:
Why post then?
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Because the same principles that I have tested apply here. Why do you post in many threads? I often feel dumber after reading many of the things you say, yet you ask why I offer factual information? It's people like you that muddy the waters of the internet rumor mill, Congratulations. You can now carry on believing the 14mm VE is a mythical creature that no one can understand.
 
rednsilver90 said:
but don't run down the innovators and pioneers of VE performance, or act like everything that applies to the P7100 applies to the VE.
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When did I run down "the innovators and pioneers" of VE performance? I simply said I do not agree with the larger injector requirement. How can the same parts, that serve the same function not be compared, whether it be on the VE or P7100 or P3000 or MW pump?
 
Smokem said:
It's people like you that muddy the waters of the internet rumor mill, Congratulations. You can now carry on believing the 14mm VE is a mythical creature that no one can understand.
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I'm not sure where you're coming from there. If anything, I believe I have given people the exact opposite...an exact example of a combination of parts that would lead to the 14mm h&r being a viable performance product in terms of performance and reliability.
 
Smokem said:
When did I run down "the innovators and pioneers" of VE performance? I simply said I do not agree with the larger injector requirement. How can the same parts, that serve the same function not be compared, whether it be on the VE or P7100 or P3000 or MW pump?
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In this thread, as well as others you have posted in, you throw out smart comments to cut on what others have done. Just like the "sourced" word choice for Brian and the 14mm H&Rs. No one thought he made them in his garage. I was always taught that it is not just what you say, but how you say it.

As for comparing parts for a VE build vs. a P Pump build.
One example is the delivery valve argument. How many cc's do a crazy set add for the p7100? I've got the highest flowing set I know of for a VE and they added 40cc's on the low end. Most other modded sets I know of for the VE add less than 20cc's. The VE fuels hard on the low end and the inline pumps keep going, our whole build has to focus on how to make power at lower rpm. We also have the benefit of dynamic timing, which is one reason we worry more about case pressure.

I'm not claiming to be some kind of expert, but I can't learn much from someone who answers questions with short, smart questions. I know you have lot's of good info you could share, but I just wish you could present it in a little different manner.
 
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