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Old Mar 15, 2008 | 10:08 PM
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HPOP question

What part(s) make a 17* HPOP different from a 15* HPOP? And, if my maximum plans call for stage 1's, 4" exhaust, 6637 intake (or AIS if the drone won't go away) and a DP tuner would upgrading to a 17* HPOP even be worth my time?
 
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Old Mar 15, 2008 | 10:31 PM
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Originally Posted by superduty4x4
What part(s) make a 17* HPOP different from a 15* HPOP? And, if my maximum plans call for stage 1's, 4" exhaust, 6637 intake (or AIS if the drone won't go away) and a DP tuner would upgrading to a 17* HPOP even be worth my time?
Chase,

Here's some good reading about Axial Piston Pumps and HPOPs
https://www.ford-trucks.com/forums/4...hpop-woes.html
 
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Old Mar 15, 2008 | 10:43 PM
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Dang Robin... I'll need to read that when I'm more sober! That answers question #1 basically, but what about #2- is it needed, or just a nice touch?
 
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Old Mar 15, 2008 | 11:14 PM
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The swashplate has a steeper angle on it, (17* instead of 15*, which means the 7 pistons inside the barrel stroke in and out farther, thus displacing more oil, which means you can hold a higher pressure at the same volume with more flow. It's not needed, but if you can find one for cheap off ebay or something, it's a wise investment.
 
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Old Mar 15, 2008 | 11:22 PM
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Chase,

Here's a link that was in the other link. Don't know if you went there but it's animated and very little reading. Perfect for that not to sober Saturday night.
Like Kris said the HPOP in the powerstroke has 7 pistons.

http://home.planet.nl/~brink494/axppm_e.htm
 
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Old Mar 15, 2008 | 11:25 PM
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I did look at that I guess I can keep my eyes open for a 17* pump, but not sweat it if I don't find one. What's a fair price to pay for one?
 
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Old Mar 15, 2008 | 11:33 PM
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Originally Posted by superduty4x4
I did look at that I guess I can keep my eyes open for a 17* pump, but not sweat it if I don't find one. What's a fair price to pay for one?
I honestly have no idea. But if I ever start searching for one I will certainly get the folks here involved. I am waiting to hear about real world use of the new Diesel Site Modified HPOP. I hope Kris chimes in. He is in the know about these things.
http://www.dieselsite.com/
 
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Old Mar 15, 2008 | 11:46 PM
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Well that Dieselsite HPOP doesn't come easy thats for sure! Sounds great, though I doubt I'll ever need the output that bad boy has.
 
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Old Mar 16, 2008 | 12:01 AM
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Originally Posted by superduty4x4
Well that Dieselsite HPOP doesn't come easy thats for sure! Sounds great, though I doubt I'll ever need the output that bad boy has.
That's on my wish list. Like I wish I could afford it
 
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Old Mar 16, 2008 | 12:09 AM
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A nice 17* pump would be a good deal under $350-400. Considering you can sell your stock one on ebay again to make up some of the cost.
 
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Old Mar 16, 2008 | 12:17 AM
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Originally Posted by strokin_it7.3
A nice 17* pump would be a good deal under $350-400. Considering you can sell your stock one on ebay again to make up some of the cost.
Thanks Kris. I had no friggin idea. Do you know anyone running the Pulse from Diesel Site?
 
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Old Mar 16, 2008 | 12:29 AM
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Not yet. Some hush-hush going on about Rampage and Bdrummonds...
 
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Old Mar 16, 2008 | 12:44 AM
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Originally Posted by strokin_it7.3
Not yet. Some hush-hush going on about Rampage and Bdrummonds...
Not anymore. Are you trying to flush them out?
 
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Old Mar 16, 2008 | 10:11 AM
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Originally Posted by strokin_it7.3
A nice 17* pump would be a good deal under $350-400. Considering you can sell your stock one on ebay again to make up some of the cost.
What would be the benefits of putting a 17* on my truck- better mileage, run smoother, less noise? (Trying to figure out how to explain to wifey why I need a $400 part that she will think is unnecessary )
 
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Old Mar 16, 2008 | 11:15 AM
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Originally Posted by superduty4x4
What would be the benefits of putting a 17* on my truck- better mileage, run smoother, less noise? (Trying to figure out how to explain to wifey why I need a $400 part that she will think is unnecessary )
Think about all the excuses or explanations she has ever given you for wanting to spend 400 or 500 dollars. It would be a good place to start in trying to come up with your own BS story for needing a 17° HPOP.
 
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