what is HPOP? - Ford Powerstroke Diesel Forum
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  #1  
Old 04-02-2008, 10:01 PM
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what is HPOP?

what is it? i hear everything about it but dont know what it is
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Old 04-02-2008, 10:07 PM
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Here is a site that wil help you.

The Diesel Garage - A Performance Diesel Site
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Old 04-02-2008, 10:11 PM
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High Pressure Oil Pump
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Old 04-02-2008, 10:39 PM
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Send a message via AIM to somebodyelse5
Quote:
Originally Posted by !!!PainTrain!!! View Post
High Pressure Oil Pump
What he said^ haha
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Old 04-03-2008, 01:39 AM
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Here is a link with some more info and a pic Teach me something about HPOPs

HPOP pumps engine oil from ~50 psi to 500-3,000 psi and sends it to the injectors where they use it to fire fuel into the engine at very high pressures. Powerstroke do NOT have injector pumps to pressurize the fuel like normal diesels, they have the high pressure oil system and the fancy injectors that cost 10 times as much.

Last edited by alabamafrog; 04-03-2008 at 01:43 AM.
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Old 04-03-2008, 06:26 PM
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so if i would to get a 97 psd and put higher pressure pumps i would get more power?
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Old 04-03-2008, 06:37 PM
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not without injectors.
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Old 04-03-2008, 06:44 PM
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hpop

Alabamafrog is basically right. The high pressure pump takes base oil pressure, thats at about 50 psi and raises it to between 500 to 3500 psi to run the injectors. the high pressure oil is basically used to help open the injectors instead of high pressure fuel. power stroke fuel pressure runs about 55 psi.
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Old 04-03-2008, 06:48 PM
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So you must have aftermarket injectors for this mod?
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Old 04-04-2008, 05:53 AM
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Some bigger injectors use more oil volume which can cause the factory pump to loose pressure because it can’t keep up. You can add big oil to any Powerstroke but it is only really needed if you have pressure problems with big injectors. My injectors are relatively small but I could tell a real difference in just going from the 15* to the 17*, I’d bet it will be a big difference whenever I go to dual pumps
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