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| 24 Valve 2nd Gen Dodge Cummins 98.5-02 Discussion of 24 Valve 5.9 Liter Dodge Cummins Diesels with VP44 Injection Pumps |
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#1
12-10-2012, 07:16 PM
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s.o. or h.o. vp44 on h.o. truck?
Last edited by smedley; 12-10-2012 at 07:16 PM.. Reason: Automerged Doublepost 
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#2
12-10-2012, 08:47 PM
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SO can properly fuel larger injectors properly. SO is good up to 300HP, HO up to 200HP Max. Best bang for the buck is an SO pump.
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#3
12-11-2012, 01:03 AM
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If you have a s.o truck you have to run a s.o if you had a h.o truck you can run either. S.o is good for more hp. H.0 can only support up to like 500hp where the s.o is good for 700hp.
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#4
12-11-2012, 05:05 AM
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Only problem is if you order a SO pump most places will not accept a HO Core.
Luke
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#5
12-11-2012, 05:48 AM
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Not sure what pump my truck has. I have tried to look it up but cant find anything on it.
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#6
12-11-2012, 04:36 PM
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p pump.......
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#7
12-11-2012, 05:20 PM
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#8
12-11-2012, 05:20 PM
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What is your end goal for the truck?
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#9
12-11-2012, 05:50 PM
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whats the difference between the pumps? why would s.o. pump be able to push more hp than h.o. pump?
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#10
12-11-2012, 05:55 PM
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Standard output has larger plungers in it i guess.
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#11
12-11-2012, 06:00 PM
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is there a way to tell which pump you have? i have a h.o. motor but my injection pump was replaced with a refurbished i.p. before i bought it.
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#12
12-11-2012, 06:00 PM
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Diesel Power, or Diesel World magazine did a write up on them at one time. That is where I go those numbers from. I'll try and find that mag again.
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#13
12-11-2012, 06:01 PM
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the serial number should end in 028 if it is a high output bosch pump
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#14
12-11-2012, 06:06 PM
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With help from my good friend Google, I found the SO has 8mm plungers where as the HO has 7mm.
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#15
12-11-2012, 06:45 PM
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ok cool, just wanted to know. i always wondered why the guys with h.o.s would swap to a s.o. pump. thanks for the knowledge guys
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