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560's maxed out at 14 psi ?

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Old Jul 22, 2012, 10:36 AM
  #16  
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no, maf tables are untouched. compared and there are values there that all stock evos have
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Old Jul 22, 2012, 12:29 PM
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You have a boost leak or its your fuel pump. There's no other explanation for it.
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Old Jul 22, 2012, 01:46 PM
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as mentioned above, have minor leak from bov. and how boost leak is related to it, can leak bump up IDC ?
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Old Jul 22, 2012, 02:34 PM
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If you are hitting 260+load and you are nearly maxing out your injectors with the proper AFR readings, your boost gauge is off. Log boost from the port in the turbo outlet.
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Old Jul 22, 2012, 02:52 PM
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I'm reading it from manifold, doubt there would be any difference from turbo outlet. but will give a try anyway along with another gauge
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Old Jul 22, 2012, 03:07 PM
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The point is to confirm a boost leak between the two. It may be 14psi at the manifold but much more at the turbo outlet.
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Old Jul 23, 2012, 03:30 AM
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rerouted boost gauge source to J pipe and exactly same reading as from manifold

I'm slowly approaching to the conclusion that car really flows that much as registers in logs

wierd
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Old Jul 23, 2012, 11:59 AM
  #23  
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Have you tried another boost gauge? Which turbo are you running again?

-Jamie
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Old Jul 23, 2012, 12:18 PM
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whats your injector size scaling set to? it must be lower then stock.. because of the 2.3 displacement.
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Old Jul 23, 2012, 01:23 PM
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no, havent't tried it yet but almost sure the result will be same
I'm running stock evo8 turbo with 10.5 hotside


@tscompusa

stock scaling, 513
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Old Jul 24, 2012, 08:11 AM
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Originally Posted by stunt2
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no, havent't tried it yet but almost sure the result will be same
I'm running stock evo8 turbo with 10.5 hotside


@tscompusa

stock scaling, 513
2.3 requires more fuel , you cannot use stock scaling on it. lower the number.. log fuel trim mid when cruising over 80hz.
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Old Jul 24, 2012, 10:59 AM
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have pte880's laying around and is it worth to hassle with stock 560's ? won't it be better to drop 880's in and scale them ?
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Old Aug 16, 2012, 07:21 AM
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Originally Posted by tscompusa
2.3 requires more fuel , you cannot use stock scaling on it. lower the number.. log fuel trim mid when cruising over 80hz.
checked and low is +0.6 and mid -5.1

how much should I lower scaling to start with ?
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Old Aug 16, 2012, 12:54 PM
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I wouldnt lower the scaling as that doesnt sound like the issue. If your AFRs are accurate and you have hit 99% IDC at 14psi its the fuel pump.
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Old Aug 16, 2012, 01:06 PM
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Originally Posted by JohnBradley
I wouldnt lower the scaling as that doesnt sound like the issue. If your AFRs are accurate and you have hit 99% IDC at 14psi its the fuel pump.
+1

-Jamie
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