Stock Boost Numbers

Discussion in 'V10 and Diesel Engine Performance' started by HammerDown, Apr 19, 2013.

  1. HammerDown

    HammerDown Pin It To Win It

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    Trying to figure out if the numbers we're pulling for the 7.3L (14-18psi) is about right or low, any of y'all help me out with numbers?
     
  2. Bdons-SD

    Bdons-SD Anti spark plug!

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    18 max is about right for stock numbers. I'm pullin 23 now with my new cai, plus tunes.


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  3. HammerDown

    HammerDown Pin It To Win It

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    Well it's stock with a Banks 6-Gun tuner, on the highest level its only 17 or 18
     
  4. Bdons-SD

    Bdons-SD Anti spark plug!

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    Hmm, with my 4 inch exhaust, and my tuner on the hottest tune it pushed 22. I had no change in numbers with only the exhaust. What's the psi on stock setting? 14 is a little low.


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  5. HammerDown

    HammerDown Pin It To Win It

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    If memory serves me right, its 14 or 15 I think
     
  6. Bdons-SD

    Bdons-SD Anti spark plug!

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    Mine reads 17-18 on stock.. Hmm.. Maybe the waste gate needs tightening? How are the egts.


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  7. HammerDown

    HammerDown Pin It To Win It

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    couldn't tell you off hand
     
  8. Bdons-SD

    Bdons-SD Anti spark plug!

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    I've read a few threads with similar boost numbers, the waste gate may be out of adjustment and not sealing, or there's a leak. Just throwing that out there with the info given.


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  9. HammerDown

    HammerDown Pin It To Win It

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    Thanks man, I'll check that out next time I'm workin on it
     
  10. HammerDown

    HammerDown Pin It To Win It

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    EGTs are around 800-900 cruising while towing. Highest boost number I saw going up the hill was 10, wasn't wide open though
     

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