hit 21 psi with no chip - Ford Powerstroke Diesel Forum
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post #1 of 6 Old 12-25-2006, 08:01 PM Thread Starter
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hit 21 psi with no chip

I dissconected the wastgate on my 01 today and i gained 5psi, 16 to 21 now. I was suprised because when i did it to my 99.5 i only saw a 2 psi improvement. I dont have a chip yet as jody is takeing the rest of the year off but i cant wate to get his tune. I going to have to order a boost fooler now. and my only mods are afe stage 2 pg 7, 4" trubo back stright pipe, and zoo dad, all my gauges. just though i would share.
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post #2 of 6 Old 12-26-2006, 01:35 PM
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i have a 99 and i just put some guages in today and it was about 18 or 19 then i disconnected it and got right under 25 but im not sure if the engine is defueling or not
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post #3 of 6 Old 12-26-2006, 05:17 PM
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Wow..Thats good for not having an chip...With my chip on the 100hp setting I can get up to 30lbs of boost..You got me wondering if I unplug what the outcome would be.
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post #4 of 6 Old 12-26-2006, 07:52 PM
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With the mods I have on my rig, I have hit 26 PSI with wastegate disconected, but I feel like the enigne did defuel when I did it.

2002 F350 7.3 PSD. 2wd. Auto, CrewCab Dually, Loaded, 5in. Straight pipe exhaust w/6in Tip, AFE Stage II Intake, Dfuser 18k Mod, Autometers on the piller, .



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post #5 of 6 Old 12-27-2006, 01:36 PM
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When you guys disconnect the wastegate, you're just pulling off the rubber pressure connector with the hose (red I think?) right?

Another question, what's a safe boost limit for the stock thrust bearing turbo? Keep it under 30 PSI with occasionally running it up a little higher when racing, hot rodding, etc. etc.? I know it all depends on the tune, but if you guys can hit 30PSI with a 100HP setting from a tune, then you disconnect the wastegate...
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post #6 of 6 Old 12-27-2006, 04:43 PM
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Just Simply pull off that redline running to the wastegate, I then stuck mine on the the bolt sticking past the nut on my intercooler pipe clamp, that way it can still pull vacum.

2002 F350 7.3 PSD. 2wd. Auto, CrewCab Dually, Loaded, 5in. Straight pipe exhaust w/6in Tip, AFE Stage II Intake, Dfuser 18k Mod, Autometers on the piller, .



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