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97psd boost #'s

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Old Sep 15, 2007 | 05:22 PM
  #31  
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glasseater
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From: hillsborough nj
Originally Posted by c00nhunterjoe
and that orange hose has nothing to do with loss of boost pressure
that was what caused me to hit only 12psi of boost (a 5 psi drop from what it WAS at with stock injectors) then when i changed it everything went back to normal and i was hittin about 25-28 psi without a chip and stage 2s (i don't remember anymore, SOO long ago!) and now i'm hitting lik 35-37 with a chip
 
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Old Sep 15, 2007 | 05:27 PM
  #32  
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From: Belair md
been over the whole system, all is in the green, map made no difference, i'm goin with nature of the beast, that could work out good for me since it runs so good with low boost numbers
 
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Old Sep 16, 2007 | 11:10 AM
  #33  
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From: hillsborough nj
Originally Posted by c00nhunterjoe
been over the whole system, all is in the green, map made no difference, i'm goin with nature of the beast, that could work out good for me since it runs so good with low boost numbers
as long as it runs good don't worry about it haha
 
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Old Sep 16, 2007 | 09:39 PM
  #34  
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From: Belair md
i'm not really worried about it, it just makes me wish i could say i had more boost. i am happy with the performance and towing capabilities of the truck, it has no issues and is very reliable. it just runs low boost for the power it makes
you can see the speedo moveing in my video of the 14.7 with a chip, thats on a slight upgrade turning 35's, she moves pretty dam good i think
 
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Old Sep 17, 2007 | 03:10 PM
  #35  
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From: Celaya, Gto. MX
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Yes sir cOOn, I saw your vds and she moves pretty dam good !!! I would like that you have EGT gauge for more info to us. Congrats anyway.
 
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Old Sep 17, 2007 | 03:26 PM
  #36  
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From: Wake Forest, NC
Originally Posted by c00nhunterjoe
i'm not really worried about it, it just makes me wish i could say i had more boost. i am happy with the performance and towing capabilities of the truck, it has no issues and is very reliable. it just runs low boost for the power it makes
you can see the speedo moveing in my video of the 14.7 with a chip, thats on a slight upgrade turning 35's, she moves pretty dam good i think
Look at it this way. Boost is a measure of restriction. High boost numbers doesn't always equate to power, it is how much air you can really flow. If you are flowing lots of air, efficiently you won't neccesarily have high boost. A small turbo needs to make high boost, to flow the same amount of air a larger turbo would, for example.
 
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Old Sep 17, 2007 | 06:19 PM
  #37  
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From: Belair md
yup, good description, pressure is not nearly as important as volume, the same thing applies in engine oil pumps too, i have a bone stock turblow and expected more though
 
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Old Sep 18, 2007 | 08:38 AM
  #38  
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From: Boone NC
hello Fellers, my truck will hit 15 lbs in 4th running it WFO (wide ****ing open) I was run the EZ box from edge on the 90hp no air filter and I do have a 3" down pipe and 4" exhaust. dose thet sound right or not.
 
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Old Sep 18, 2007 | 12:52 PM
  #39  
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From: Kearney, Nebr
Coon, my number are exactly the same with yours on the intercooler application too.
 
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Old Sep 18, 2007 | 03:49 PM
  #40  
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Joe- no one has brought this up but have you checked your tube for the boost gauge for any kinks? My '97 5-spd with only a 6637 and full exhaust will hit 22psi wot then drop immediately when i shift to about 15 then start climbing again
 
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Old Sep 18, 2007 | 04:22 PM
  #41  
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From: Belair md
farm, thats what puzzles me, you have identical numbers as i do, yet you have a "stock engine" i have a chip, more fuel, more oil and no more boost.
97 powerstroke, your numbers are identical to mine, my norm is 8 after shifts climbing with rpm to 16, if i really wind it up to the limiter it will hit 20
cowboy, no kinks
 
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Old Sep 18, 2007 | 05:38 PM
  #42  
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From: Kearney, Nebr
Joe your right. I know I also have a little boost leak between my turbo and intake spyder as the clamp got messed up the last time I played with it.
 
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