Low cost mods
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Locomotive breath
Joined: Jan 2006
Posts: 1,354
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From: Mid Oh. Ponderosa
Low cost mods
Well I finally did them. I did the in-tank, pre-pump and harpoon mods today (used a napa 3003 for a pre pump filter) along with the hpx line last week. And I can honestly say there IS a difference in the way the truck runs and sounds. SOOO much better! 
Did the kwik filter and ccv mods last month . With a 177,000 miles on it , it sounds like a new one. I have learned a lot since joining this site, keep up the good work. Thanks and God bless. 
Did the kwik filter and ccv mods last month . With a 177,000 miles on it , it sounds like a new one. I have learned a lot since joining this site, keep up the good work. Thanks and God bless.
Cargo Master
Joined: Jun 2003
Posts: 3,292
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From: Ardenvoir, Washington
Originally Posted by FARM69
Interesting... What exactly are the details on the pre-pump and harpoon mods along with the hpx line?
Senior User
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From: Amherst, WI
Posting Guru
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From: Elkhorn, WI
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Elder User
Joined: Feb 2006
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From: San Diego, CA
Originally Posted by FARM69
Interesting... What exactly are the details on the pre-pump and harpoon mods along with the hpx line?
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Hotshot
Joined: Jan 2002
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From: La La Land
Nope. About a quarter, that's twenty-five cents.
It's a resistor to skew the value the ICP's (Injection Control Pressure sensor) output to the PCM (Powertrain Control Module - the engine's main brain) to make it think that the HPOP (High Pressure Oil Pump) pressure is too low, thus causing the PCM to command the IPR (Injection Pressure Regulator) to increase the oil-over-fuel pressure, causing more fuel to be injected during the available "injector-open" pulse-width.
Also known as a 10K mod if that's the value of the resistor you use.
Pop
It's a resistor to skew the value the ICP's (Injection Control Pressure sensor) output to the PCM (Powertrain Control Module - the engine's main brain) to make it think that the HPOP (High Pressure Oil Pump) pressure is too low, thus causing the PCM to command the IPR (Injection Pressure Regulator) to increase the oil-over-fuel pressure, causing more fuel to be injected during the available "injector-open" pulse-width.
Also known as a 10K mod if that's the value of the resistor you use.
Pop
Last edited by SpringerPop; Mar 30, 2006 at 09:04 PM.
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pbr man
1999 - 2003 7.3L Power Stroke Diesel
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Jun 13, 2006 08:19 AM
