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two much boost?

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Old Mar 19, 2008 | 09:27 AM
  #1  
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two much boost?

have a 7.3 just stacked my chip and know am getting 32lbs of boost
do you guys think that is to much even sean it bounch to 34 on a shift
just dont want to heart any thing
 
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Old Mar 19, 2008 | 10:04 AM
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Stock turbo? If so, then yes that's too much. Over time repeated overboosting will destroy the turbo.
 
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Old Mar 19, 2008 | 10:17 AM
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Over 25 and your just super-heating the intake air anyway. Not much gain over that number. Are you hearing any kind of "pst-pst-pst-pst...." or surge type sounds when you get up that high?? I could get mine up to about 28 but it surged badly.

Like pocket said, overboosting like that is very hard on the turbo.
 
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Old Mar 19, 2008 | 12:09 PM
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Originally Posted by Izzy351
Over 25 and your just super-heating the intake air anyway. Not much gain over that number. Are you hearing any kind of "pst-pst-pst-pst...." or surge type sounds when you get up that high?? I could get mine up to about 28 but it surged badly.

Like pocket said, overboosting like that is very hard on the turbo.
no surge
stock turbo with the wicked wheel
dont drive it that hard just trying some thing to get better fuel millage and after i installed the new 18k module had to try it out
so if i can keep my foot out of it i will be ok lol
thanks for the info
 
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Old Mar 19, 2008 | 12:37 PM
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Yep... just like everyone else said... your turbo will not last too long going over 25 psi... keep your foot out of it and you will be fine. But that isn't too much fun either...

What chips did you stack? That is pretty good boost for a stock truck..
 
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Old Mar 19, 2008 | 12:46 PM
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Where are you measuring the boost at?? Pre-I/C or in the "normal" place? 32-34 seems awfully high for a stock turbo with a WW. My boost dropped a couple psi after installing the WW.
 
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Old Mar 19, 2008 | 01:41 PM
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Your probably right... pre intercooler...
 
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Old Mar 19, 2008 | 01:43 PM
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Yep -- that's worth a couple psi right there...
 
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Old Mar 19, 2008 | 05:53 PM
  #9  
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Originally Posted by Layson
Yep... just like everyone else said... your turbo will not last too long going over 25 psi... keep your foot out of it and you will be fine. But that isn't too much fun either...

What chips did you stack? That is pretty good boost for a stock truck..
it is old school it was a western diesel quad pack change on the fly
i was getting 28lbs boost with that chip then i just put a 18k module from dfuser in and the boost will go to 32
the reason i put it in was to try for better mpg
will check that as soon as i run the tank down
 
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