Boost leak? Dyno chart included

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Old Sep 24, 2010 | 07:47 PM
  #1  
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Default Boost leak? Dyno chart included



From the way the power climb, look like i have a boost leak somewhere? the power never flatten out and keep climbing until redline?

Graph is in MPH 8000 redline
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Old Sep 25, 2010 | 05:05 AM
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From: schooling kids in ny, usa
Default Re: Boost leak? Dyno chart included

what is the torque curve look like?. if the tq holds flat then it could be just the turbo/cam setup in your motor. (my power keeps going up until around 8000 where it holds flat till 9000.

also, can you datalog with your management?
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Old Sep 25, 2010 | 05:19 AM
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Default Re: Boost leak? Dyno chart included

I dont have the torque reading, something was wrong with the dyno
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Old Sep 26, 2010 | 06:16 AM
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Default Re: Boost leak? Dyno chart included

The A/F also leaned out into the high 12 from 7-8k, i dont know if that indicate a boost leak?
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Old Sep 26, 2010 | 06:32 AM
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Default Re: Boost leak? Dyno chart included

looks fine to me.

if you're worried, run a boost leak test
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Old Sep 26, 2010 | 11:18 AM
  #6  
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Default Re: Boost leak? Dyno chart included



This is a dyno for a LS turbo set-up on the same dyno, the power peak and flatten but on mine which is ls-vtec it just climb and never flatten out
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Old Sep 26, 2010 | 12:04 PM
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Default Re: Boost leak? Dyno chart included

it just means your motor breathes better at high rpm.

torque is holding flat, and there fore your HP keeps climbing.

the HP will only plateau if the torque falls off
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