Have fun 7.3 guys

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superpsd

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The 500k test bench thing boggles my mind as well considering it uses aluminum unistrut for a frame.
 

m j

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what parts are available to pump rebuilders?
are new pistons and cylinder blocks available to them or do they have to manufacture?

I have to go to work, can someone write out the displacement math?
found this on Google

Pump Output Flow (in Gallons Per Minute)

RPM X Pump Displacement / 231

How much oil will be produced by a 2.21 cubic inch pump operating at 1120 rpm?

RPM = 1120
Pump Displacement = 2.21 cubic inches
RPM X Pump Displacement / 231 = 1120 X 2.21 / 231 = 10.72 gpm


Pump Displacement Needed for GPM of Output Flow

231 X GPM / RPM

What displacement is needed to produce 7 gpm at 1740 rpm?

GPM = 7
RPM = 1740
231 X GPM / RPM = 231 X 7 / 1740 = 0.93 cubic inches per revolution

7.2 cubic centimeters =
0.439370957 cubic inches
 

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V-Ref

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The only guy in this thread with access to bona fide Heui pump flow bench is being told his data is worthless by those WITHOUT access to a Heui pump flow bench.

Priceless
 

sootie

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The only guy in this thread with access to bona fide Heui pump flow bench is being told his data is worthless by those WITHOUT access to a Heui pump flow bench.

Priceless

hence the reason people have offered to TEST pumps in a REAL LIFE VEHICLE to get REAL WORLD FEEDBACK.
 

ToMang07

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The only guy in this thread with access to bona fide Heui pump flow bench is being told his data is worthless by those WITHOUT access to a Heui pump flow bench.

Priceless

Buying top-of-the-line tools doesn't make you a better mechanic, does it?
 

Rockstardiesel

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The only guy in this thread with access to bona fide Heui pump flow bench is being told his data is worthless by those WITHOUT access to a Heui pump flow bench.

Priceless

Thats what im saying, and we got math equations off google hitting the table now. haha blows my mind, these pumps work by compressing fluid, i don't understand how some of you guys can't wrap your head around the fact that our pump can do that better than the others, tell me, do any of you hpop specialist know what the tolerances are inside of the 7.3 pump, I can't do anything but give you hard facts that we have found in testing,

As for all you oil temp guys out there, lets bump that temp up a bit, lol all thats going to do is lower the numbers the whole way across the board, all the pumps will flow a little less at higher temps, on top of that OE spec minimum is 3.6 GPM one of the hbjs we tested at 145* did just a tad over that minimum hahaha, so tell me lol COME ON, TELL ME, What's next i guess the testing procedure that was come up with by the company that designed and perfected the huei injection system isn't good enough by your all standards, lol, I guess all these big time companies out there selling glorified core parts pumps have the industry by the ball, hahahah
 

V-Ref

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A SnapOn torque wrench needs to be calibrated just like a Kobalt does.

How can you have consistent "Real" world results without post-production pre-shipment product testing?

Looks like only 2 aftermarket hpop actually test their pumps on a bench to verify consistent pump to pump output.

Why the school girl drama in this thread? Most of the posters don't even have a 7.3...or if they do...don't have injectors needing anything more than a 17 deg pump? Why not just let this pump prove itself?

In the meantime....don't skull*** the guy trying to bring a new hpop to market for a 16 year old dinosaur platform that actually uses a flow bench to flow his pumps before shipment.
 

Rockstardiesel

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It really kinda bothers me to see, how out of all the people on here, only a handful has embraced the fact that i may have something awesome to bring to the industry, It makes me wonder how many great things could have been introduced in the past but driven out by all these people that think there is nothing else that can exceed what's already known, thats pretty sad to see when you're a real enthusiast that knows you have something great to offer the sport.
 

Arisley

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You lost me when you started talking about compressing a liquid.
Jason's math started the process, you finished it.



I'm out.
 

2000wa250

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Not trying to bash the op... just been getting at what hrt took the time to spell out. From a physics standpoint, it isn't possible.
 

V-Ref

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You lost me when you started talking about compressing a liquid.
Jason's math started the process, you finished it.



I'm out.
ALL fluids have a compressibility factor....but that discussion exceeds the capability of this forum.
 
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smoker00

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I cant wait to see how this pump dose.. I am all about new products for our dinosaurs.
I would really like to see Beta Testers testimonials.. to help others..

I was one of the lucky few that had one of the first few Dieselsite's Beta pumps.. Loved that pump.. and working with Bob.

Good luck with the new pumps..
 

cbf9703

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It really kinda bothers me to see, how out of all the people on here, only a handful has embraced the fact that i may have something awesome to bring to the industry, It makes me wonder how many great things could have been introduced in the past but driven out by all these people that think there is nothing else that can exceed what's already known, thats pretty sad to see when you're a real enthusiast that knows you have something great to offer the sport.

I can see your point, but you also have to remember how many products have been selling hopes and dreams over the years and have failed to deliver.

You are fighting an uphill battle, right or wrong, but that's the nature of the beast. You've released testing numbers and data, kudos for that, but we all know that just because a product works in theory and under ideal conditions in a test doesn't mean that there won't be issues that pop up later on under harsher and less controlled conditions. I think this is where a lot of guys might want to believe you, but don't see the anecdotal evidence to support your claims, which is a big part of forums- what has worked for others in practice and are products really as good as the claims on the websites on our less-than-perfect trucks. I would do as others have suggested and have some well respected members test the pump. Their objective opinion is going to hold more weight than the sales guy trying to push a product (even if it is the best, we all know you come into it with an agenda).

I want your pump to do everything you say it can. I'm still on the 7.3 bandwagon and appreciate that anyone is willing to try to innovate for these trucks as long as they have been out of production. Enthusiasts want to see the real world results so they have a better idea of how the product proves itself in practice, not just theory. Part of it is not having to take the risk on your own vehicle. I've got a windowed block from just that... testing something that worked in theory :badidea: not a good feeling. Practical testing also helps with any needed design changes that you learn through that trial-and-error process of product development and customer feedback. Why do you think I run a Gen3 and not a Gen1? Not everything is perfect when it first gets released. How many TSB and recalls are out for vehicles even though the engineers said it should work perfectly?


Pay your dues, get some good feedback from guys willing to try it out and let their results speak for themselves... I bet it will be a lot louder than any shouting you can do in this thread.
 

Arisley

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ALL fluids have a compressibility factor....but that discussion exceeds the capability of this forum.

Yes they do. But in order to compress 15W40 motor oil, you are going to need a lot more steel around it than what is in a HPOP. You try to compress it enough to make a difference in volume, you will have holes in your hood.
 

gwunter

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When you tested the flow of the competitors pumps, were these brand new pumps tested or used pumps found with unknown past history?? Maybe this was already covered, but I didn't catch it.
 
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