Special X Vp44 Injector Pump

scott2001

scott2001

Its never fast enough
Joined
Oct 18, 2008
Messages
1,800
I was on blue diesel performance web site and found where they have made a injector pump called special x its suppose to make your truck get better mileage by increasing the timing. Customers claim 2-3 more mpg its about what the site claimed also. Now cons they said by increaseing the timing if a customer pumps in a aftermarket cam the motor will start to loop like a gas burner this sounds like a plus if the looping wont kill the motor in the automatic guys like myself. My view on cons with this have no proof to back this up or ask them with all the programmers and power increaseing boxes out there today dont care which brand but would this not increase timing to the point of denotation and blow the motor now this would suck. They claim to have all new componutes in their injector pumps where some guys are cheaper is why theirs are higher a new stock pump is $ 1,600.00 while the special x pump is $ 1,950.00. Now the hot rode vp44 is suppose to give 100 hp over stock this i cant say is true or not cause my stock vp44 is still in great condition (knock on wood) But is not the one of choice for the mileage main looker. I DONT WORK OR AM I TRYING TO PUSH THEIR PRODUCT wanted to make that clear but what are your thoughts on this is it a new great product that would help some of us out with the cost of fuel if you needed a new pump or just a ripe off. I have seen on rpm outlet they sell VP 44 injector pumps with a warranty for not much over a $ 1,000.00 bucks so would this be worth it or not
 
LOL...dont think a cam would affect pump timing AT ALL if it is installed correctly...so the lope thingy is a little hard to believe
 
How new is this VP? They already have customers out there using them and reporting that kind of a MPG increase?

I would stick with the SO pump. Its cheaper,stronger, and its been around since the beginning.
 
dont know how new it is new to me never heard of this before just thought it would be good to get everyone opinion of this i dont need one no time soon but just thoghht about how the seem to fail so often it would be a good thread, some of them say they could tell the slight increase in hp right off and others say in a tank they could tell mpg increases but if one is on it way out it wont have all the power or mileage so really any new one would seem this way
 
i have scheids lightning pump and it has a stupid lope to it, i felt a little better spool up, but no real power increase! The reason i bought it at the time was i heard it was more durable, but now i know that it is along with some others that are fully upgraded and rebuilt pumps! I know that scheid, II, blue chip, city diesel, etc etc. do full rebuilds and upgrades on their reman pumps thats why they are more expensive than some others that are just spec'd and rebuilt as necessary! I think the timing is adjusted some how on all the hrvps at idle, but when you pull some revs i think the pump ecm takes over anyways! correct me if i am wrong
 
Mudn_1 is Cousin Eddie.

Back on track, the special x has been out for over year, maybe 2. I think they do something to the pumps that allows more timing advance than a stock vp44, but that's just a guess. I have another guess that nothing may be done to the pumps that's special because I know a few people that have bought stock vp44's off of blue chip and seen 2-3 mpg increase. Probably just because most of the times when the vp44's go out they lose timing advance.
 
Phily 911 said:
Mudn_1 is Cousin Eddie.

Back on track, the special x has been out for over year, maybe 2. I think they do something to the pumps that allows more timing advance than a stock vp44, but that's just a guess. I have another guess that nothing may be done to the pumps that's special because I know a few people that have bought stock vp44's off of blue chip and seen 2-3 mpg increase. Probably just because most of the times when the vp44's go out they lose timing advance.
Click to expand...

Don't you go fallin in love between now and when we leave next month!!
 
i have a Special X pump and my millage did increase ...from around 16mpg up to 20mpg 50/50 city /Hwy........as for timing....i ran it with a comp and ADR and never had a problem

Scott
 
I know i`ve got a little brain & all but if you want to change the timeing on a vp44 wouldnt the easiest way be to change the woodruff key?
 
they way they acted like on the web site was they used a high dollar machine to do this and they had alot more money into so it would be higher the way you guys seem is it would be easy and cheap. But here my question when a injector pump is going out it loses timing and the mileage goes down and power goes down of corse but wouldnt any new injector pump make a truck get better mileage and power
 
We had a 2001 Cummins that got bad milage for a year, the pump finanlly died and put a new one on from a local shop, and his milage went back up.

A buddy of mine got a Special X pump and it lasted 3 days before it was dead, he had a Edge Drag comp on it and it must not have liked it all. But I am not saying a Special X pump is not good, no matter what name is on the pump, every now and then a bad one will come out.

Thats just what i have seen.
 
scott2001 said:
they way they acted like on the web site was they used a high dollar machine to do this and they had alot more money into so it would be higher the way you guys seem is it would be easy and cheap. But here my question when a injector pump is going out it loses timing and the mileage goes down and power goes down of corse but wouldnt any new injector pump make a truck get better mileage and power
Click to expand...

I'm not sure about losing timing, but the pump module can burn up, or the Diaphram cracks, or the pump just wears out from lubrication or lack there of! these pumps are designed to only run so many heat cycles
 
scheids pumps are the same price as alot of others so there pretty much the best in after market pumps or is there a better one when the time comes it would be nice just to do it once
 
scott2001 said:
scheids pumps are the same price as alot of others so there pretty much the best in after market pumps or is there a better one when the time comes it would be nice just to do it once
Click to expand...

well, it probly won't be the last time but with a good lift pump and proper lubrication (2-stroke oil) you shuold get some good mileage out of it! I have about 60,000 miles on my scheid lightning pump and i can't count how many times i have ran it dry even with the fass! but a good fully rebuilt SO pump should last just as long!
 
They don't make a Special X for High outputs, anyone notice?



Mudn_1 said:
Don't you go fallin in love between now and when we leave next month!!
Click to expand...

Clark: "Hey kids the airport just reported they saw Santa Clause flying this way!"
Eddie: "ARE YOU SERIOUS CLARK!?!"
 
Phily 911 said:
They don't make a Special X for High outputs, anyone notice?





Clark: "Hey kids the airport just reported they saw Santa Clause flying this way!"
Eddie: "ARE YOU SERIOUS CLARK!?!"
Click to expand...

Clark: "Tis the season to be merry"
Lingerie woman:"Well thats my name"
Clark:" No ****"

Clark:" Can't see the line can ya russ"
Russ:" Nope"
 
Mudn_1 said:
Clark: "Tis the season to be merry"
Lingerie woman:"Well thats my name"
Clark:" No ****"

Clark:" Can't see the line can ya russ"
Russ:" Nope"
Click to expand...

Father in law: The little lights aren't twinkling...
Clark: Thanks for noticing.

Male Neighbor: Where are you going to put a tre that big?
Clark: Bend over and I'll show ya.
Male neighbor: You got alot of nerve!
Clark: I wasn't talking to you (As he looks at his neighbors wife)

Clark: Look kids, a deer!

Clark: Merry Christmas. Merry Christmas. Merry Christmas. Kiss my ass. Kiss his ass. Kiss your ass. Happy Haujneka (sp)

I knwo that whole movie by heart. Watch it every friday after thanksgiving as we put up the tree.
 
VP44 pump advance movement can be adjusted to give quicker and more advance movement. The calibration specs are very close in tolerance but there is some adjustment that can be obtained. If the pump is adjusted too far then the test stand would shut down and the tech. would have to readjust to allow the calibration to continue.

The engine ECM/PSG will compensate up to + or - 2.5deg. for incorrect timing.

You can adjust to the high side of specs but that is all. We always try to do that anyway when we calibrate our pumps.

Our Hot Rod pumps advance timing but it is done another way that the ECM will not see. You can also reprogram the ECM as well.

I am not claiming to know what they are doing with their product. I am just showing or explaining what could be done. Hope this helps.
 
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