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1994.5 - 1997 7.3L Power Stroke Diesel  

to those with boost gauges

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Old Jan 6, 2008 | 10:50 AM
  #1  
c00nhunterjoe's Avatar
c00nhunterjoe
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From: Belair md
to those with boost gauges

my buddy that has the 03 7.3 just put his isspro gauges in and they look great.
he was upset that he can only get 8 psi boost when just revving the engine up out of gear. i reassured him that 8 psi revving was incredible and not to worry.
does any of your trucks make boost under those conditions? i know that mine wont even flicker the needle by just revving. how about you?
 
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Old Jan 6, 2008 | 11:27 AM
  #2  
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From: whitesburg ky.
mine gets 5 psi... out of gear... at first it will jump to 10 but it suckers out after just a sec..
 
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Old Jan 6, 2008 | 11:30 AM
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I dont get any without driving it. How do you guys get do much?
 
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Old Jan 6, 2008 | 11:31 AM
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From: Belair md
mine is like yours casey, i get no movement from the gauge without a good load on the engine
 
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Old Jan 6, 2008 | 11:33 AM
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Do you think its the tuner that does that or just a really good seal on the entire intake system?
 
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Old Jan 6, 2008 | 11:35 AM
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th etuner has no effect on mine. and if anything the intake should help build boost not lose it. and by the way the 03 in question has a superchip on tow safe mode and an intake but everything else is stock and the intake isnt breathing enough air, the filter minder always draws up the first time you drive it so you can rule the intake out becaus ehis isnt getting enough air in as is yet he still gets 8 psi with no load
 
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Old Jan 6, 2008 | 11:38 AM
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From: whitesburg ky.
i get 5 pound with no boost... and i have no tunes... no injectors... or nothing...
 
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Old Jan 6, 2008 | 11:42 AM
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Well something has to cause the difference?
 
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Old Jan 6, 2008 | 11:44 AM
  #9  
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From: whitesburg ky.
my truck is stock... and the pic in my webshots of my boost guage it is showing 5 psi... that is with no load...
 
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Old Jan 6, 2008 | 07:24 PM
  #10  
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From: minneapolis, ks
i can get 5 psi or so on mine.
 
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Old Jan 6, 2008 | 08:57 PM
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From: whitesburg ky.
that is what i was thinking cuz i have heard some on here say they do not get any when they rev it up...
 
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Old Jan 6, 2008 | 09:03 PM
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I get NO boost when revving the engine up out of gear.
 
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Old Jan 6, 2008 | 09:06 PM
  #13  
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From: whitesburg ky.
i wonder what the diff is???
 
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Old Jan 6, 2008 | 10:03 PM
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From: Belair md
dunno, thats an odd one, the only thing i could figure was the new bodied trucks having the smaller housing would build it easier but now that guys running the 1.15 do it also i am not sure of the root cause, 5 psi is a big difference on a no load situation
 
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Old Jan 6, 2008 | 10:07 PM
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From: somerset KY
0 boost @ rev in park or neutral.....auto/manual could have nothing to do with it right? i dont see how it could
 
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