How To Turn Up Fuel Pump! - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 19 (permalink) Old 12-29-2007, 04:46 AM Thread Starter
 
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How To Turn Up Fuel Pump!

Hi guys!
I have a friend with an 04 LB7 2500 Duramax. Hes got it straight piped from turbo back and a 6 inch tip. He wants smoke BAD! He was asking me if there is a way to turn his fuel pump up and how to go about doing it. I know a tad about diesels but not enough to educate him on how to do so. Thanks for your help!:smoke :
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post #2 of 19 (permalink) Old 12-29-2007, 04:48 AM
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efi-live

05' 2500 CTD 4X4 QC LB SLT 6" lift 35x12.5x18" Toyo's, edge j/a, airdog 150 and jeep liberty canister mod, magnaflow turboback 5" to 4" duals, banks techni-cooler, airaid, dipricol mech. fuel press. in a-pillar mount
07.5 2500 LMM 4X4 CC SB LTZ 10-12" lift 37x13.5x22" Toyo's, efi-live, magnaflow 5" turboback

04'trx450,04'dvx400, 06'trx250, 06'predator90 ,05'ktm525mxc
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post #3 of 19 (permalink) Old 12-29-2007, 04:52 AM Thread Starter
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so there is no mechanical way like turning a screw to do it?
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post #4 of 19 (permalink) Old 12-29-2007, 04:59 AM
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no way to "turn it up" w/o some programming or a box. Is smoke all he wants????
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post #5 of 19 (permalink) Old 12-29-2007, 05:06 AM Thread Starter
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yes. he wants smoke for when he gets on it.
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post #6 of 19 (permalink) Old 12-29-2007, 05:09 AM
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He can take an intake boot off!! It'll run like ***** but it'll spew enough smoke to make coal burner jealous!
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post #7 of 19 (permalink) Old 12-29-2007, 05:17 AM Thread Starter
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will it hurt his truck? i mean this is his only vehicle 27,000 to him and he pays on it. he cant afford much but if it wont hurt his truck and its fairly easy please explain it to me on how to do it.
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post #8 of 19 (permalink) Old 12-29-2007, 05:17 AM
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There are some mods u can do to increase rail pressure and volume to the CP3, however if he is just looking for smoke programming will do that for him.

2003/2500HD CREW CAB SILVERADO
Maximized Performance Big Bad Twins, Dual CP3's and 5" dual exhaust with 5"downpipe.
1036 RWHP Dunbar Dyno Approved!
Worlds Most Powerful Duramax
Maximized Performance SoCal Diesel Stuff Ridge Runner Diesel Performance Inglewood Transmission Service DPR
Nasty Shine....1000 proof!
Member #1 of the 1000 RWHP Duramax club on #2 only!
TDG TOTM Winner for March/07 https://www.thedieselgarage.com/TOTM/mar07.htm

Smoked Goat It's Whats For Dinner!!!
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post #9 of 19 (permalink) Old 12-29-2007, 05:54 AM Thread Starter
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How does he do these "mods". He is back home in Indiana and im in Alabama for the next three months so I will have to explain this stuff over the phone. Is it something I can explain to him?
Thanks!:thanks:
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post #10 of 19 (permalink) Old 12-29-2007, 06:14 AM
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I can send you a PM on how to do the mods but it will only increase the rail pressure and increase fuel delivery volume. This will not increase smoke if thats all he is looking for. Programmer will do that for him. The pump mods are for those of us with bigger injectors who wish to increase or maintain rail pressure, and keep up with the demand of the bigger nozzles. Removing the CP3 pump for these mods is not an easy task.

A single modded CP3 is capable of supporting upwards of 700 RWHP but would require engine internal upgrades and a trans upgrade and tuning.

2003/2500HD CREW CAB SILVERADO
Maximized Performance Big Bad Twins, Dual CP3's and 5" dual exhaust with 5"downpipe.
1036 RWHP Dunbar Dyno Approved!
Worlds Most Powerful Duramax
Maximized Performance SoCal Diesel Stuff Ridge Runner Diesel Performance Inglewood Transmission Service DPR
Nasty Shine....1000 proof!
Member #1 of the 1000 RWHP Duramax club on #2 only!
TDG TOTM Winner for March/07 https://www.thedieselgarage.com/TOTM/mar07.htm

Smoked Goat It's Whats For Dinner!!!
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