soVP44 VS HO VP44 - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 9 (permalink) Old 01-21-2008, 08:30 PM Thread Starter
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soVP44 VS HO VP44

I talked to a dealer the other day and he told me that a SO can be installed on a HO truck. I know the SO can produce more power,but can anyone tell me if this is true or false.
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post #2 of 9 (permalink) Old 01-21-2008, 09:40 PM
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I believe that they have different timing or something like that, and that it won't work that well. You could always install an HRVP44 on it. What are you looking to get out of it, just added power?
Sean

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post #3 of 9 (permalink) Old 01-21-2008, 10:41 PM
 
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H.O. has 7mm plungers and the S.O. has 7.5mm plungers, the H.O. has more timing advance and a higher output pressure.
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post #4 of 9 (permalink) Old 01-21-2008, 11:21 PM
 
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Bluechip says their Special X pumps won't work on H.O.'s

Only S.O.
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post #5 of 9 (permalink) Old 01-21-2008, 11:53 PM Thread Starter
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I Need to replace my pump and i am wanting to add mods as my wallet permits. Like I said in my previous thread I was told by the dealer that it was possible and blue chip said it was not. The SO is capable or 600 HP just on fuel mods and more w/ nitrous. The HO was something like 575HP max,so I read
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post #6 of 9 (permalink) Old 01-22-2008, 12:06 AM Thread Starter
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thanks for the help
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post #7 of 9 (permalink) Old 01-22-2008, 12:07 AM Thread Starter
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I want to add mods as my wallet permits
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post #8 of 9 (permalink) Old 01-22-2008, 12:09 AM Thread Starter
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sorry i double posted above
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post #9 of 9 (permalink) Old 01-22-2008, 02:35 AM
 
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There are permitting factors, Bluechip is trying to sell you a product. They can be swapped both ways. However putting an S.O. pump on a truck without a crank position sensor will not benefit. If the S.O. pump swap does not work you can always have the ECM reflashed.
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