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Old 04-02-2008, 01:25 PM   #1
4x4dually
 
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Name: 4x4dually
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Join Date: Jan 2007
Location: Stillwater, OK
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VP44 SO vs. HO pump and Quote

I'm prolly gonna need a new pump soon the way my truck is running. Can you pump guys tell me EXACTLY what the difference in the two pumps are?

Max 'reliable' HP with my mods?
Does one wire tap better than the other? Why?
What are internal differences?
Warranty with wire tapped?
HRVP44 worth a toss? Why not?
Swappable without any hassles (converting to SO from HO)?
Could my injectors be causing this one to fail? How do I match new ones to a new pump?
How do I avoid the "your core isn't good enough, send us more money" problem?
What causes the pumps to fail the most?
Should I just send this one in to get rebuilt to save money or is "save money" not a term that is synonomous with a new pump?

I would like to run around 400 HP with the ability to hit 500 if I can ever afford more toys. I have a Vulvan big line relo kit and LP pressure is 16 idle, 13-14 cruising, and 10-11 at WOT. Edge Juice w/ Attitude w/ wire tapped. II PS62/14 turbo. Edge Jammer IV (125 hp) sticks. AFE stage II intake.

Any info would be great, and please, no speculation. ACTUAL info would be greatly appreciated as I can't afford to buy one twice. This truck doesn't see sleds or race tracks but pulls heavy trailers miles on end.

Thanks for any help!!! JWB
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