Airdog & rail pressure - Ford Powerstroke Diesel Forum
6.4L Performance Parts Discussion What has or has not worked for you?

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post #1 of 3 Old 12-30-2010, 11:30 PM Thread Starter Fanatic
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Airdog & rail pressure

Those of you with Airdog II setups, did you notice a significant difference in rail pressure after install? I am really debating about getting my old man an Airdog II for his 6.4, just wondering how bad its needed.

Anyone have rail pressure info before and after Airdog II? Preferably with 200+ tunes.


2010 F-350 crewcab, platinum white, just a few options...
H&S Mini Maxx, AFE exhaust, S&B
Sold - bought back a week later

2004 F-350 crewcab, wedgewood blue
Tuning by Innovative
ARP's, EGR delete, Airdog II, Custom fuel system, Snow stage III, MBRP, Airaid, oil bypass, coolant bypass.
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post #2 of 3 Old 12-31-2010, 08:05 AM
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These trucks dont really need an aftermarket lift pump until you start getting into injectors. A healthy stock lift pump will support 300+ hp tunes all day long. If you install one I doubt you would notice any increase in rail pressure.

Ford F250 6.4 CC/SB, Spartan 350 w/TCM, Mag-Hytec deep pan, Flo-Pro 5 inch Exhaust, AFE stage 2 with ProDRy, 2.5 Readylift, ZEX Nitrous single stage, BD CAC pipe, ATS 5-star converter, elite egr delete/wastegate, ts mp-8 stacked, Procomp traction bars, locker, CFM plenum, ARP studs. Innovative tunes and Suncoast on the way!
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post #3 of 3 Old 12-31-2010, 09:05 AM Fanatic
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What he said ^^

Im going to get the AirdogII soon, mostly just for peace of mind. Hearing about all the stories of water in fuel messing up the whole fuel system and lack of PM makes me worried.

2008 Job 1 F-250 Powerstroke Lariat.
Top Gun Grill Guard & Headache Rack.
Spartan, S&B, AFE, AirDog
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