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15 PSI with MAF

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Old Feb 21, 2009 | 11:21 AM
  #1  
vette_c6's Avatar
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Default 15 PSI with MAF

can i tune my car 15 psi or more with maf >
i heared that the maf will have a problem ,, which cant be tuned
but if i used this

http://www.lingenfelter.com/mm5/merc...gory_Code=C162

can it will be done ?>
is there is anything i can do ?
my corvette is 2006
and i can tune it by SD
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Old Feb 21, 2009 | 12:28 PM
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if you can do sd why not just do it
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Old Feb 21, 2009 | 12:36 PM
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Im running 15psi with the stock MAF. It can be tuned, but once the MAF is maxed out, the tune resorts to dumping a specified amount of fuel based on RPM at WOT, not actual measured airflow from the MAF. This is more or less a bandaid approach, but if your car is supercharged then its not really all that bad since boost will come on linearly and predictably every time...
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Old Feb 21, 2009 | 04:06 PM
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Originally Posted by ChevyChad
Im running 15psi with the stock MAF. It can be tuned, but once the MAF is maxed out, the tune resorts to dumping a specified amount of fuel based on RPM at WOT, not actual measured airflow from the MAF. This is more or less a bandaid approach, but if your car is supercharged then its not really all that bad since boost will come on linearly and predictably every time...
That's true but actual AFR will vary significantly with temperature in maxed territory
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Old Feb 21, 2009 | 07:36 PM
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Originally Posted by Frost
That's true but actual AFR will vary significantly with temperature in maxed territory
Also true. Thats why I have a wideband and an adjustable meth kit so I can remedy that with a slight twist of a **** based on conditions If thats not an option for the OP, then I'd suggest tuning it in worst case scenario conditions and then only thing is in better temps, it will be a little rich.
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Old Feb 23, 2009 | 07:54 AM
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if i had a chance to tune it SD i would do it ,, but corvette 2006 cannot be SD
no 2 bar or 3 bar OS in hp tune
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Old Feb 23, 2009 | 08:30 AM
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We can do E38 speed density tunes, just a little math involved and it takes a bit of time. We can do 2, 2.5, and 3 bar tunes on them.

Here is a dyno sheet from a cam only 5.3l with a E38 ecm speed density open loop.
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Old Feb 23, 2009 | 04:23 PM
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I have seen 15psi before on accident...after dyno and forgot to spin boost reg back down. I usually see 11-13psi on the street fwiw. But my snow meth kit uses a maf freq controller which adds meth based on flow even after the stock maf maxes out. I can set my timing map of course so as long as my WB reads rich, then I don't worry about anything other than my stock long block.
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Old Feb 27, 2009 | 09:31 AM
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Originally Posted by hellbents10
We can do E38 speed density tunes, just a little math involved and it takes a bit of time. We can do 2, 2.5, and 3 bar tunes on them.

Here is a dyno sheet from a cam only 5.3l with a E38 ecm speed density open loop.
can you tune corvette 2006 SD ?
my HP tune Refuse the 2BAR OS
and i asked in HPtuner forum they said you cant SD 2006
they have BETA Vrision
if you can do it ,,, i will pay you to tune my car
thanks
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Old Mar 12, 2009 | 07:57 AM
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