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Old Aug 24, 2007 | 10:28 AM
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2k5Squirrel's Avatar
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Default Engine Parameters

This pertains to the:
World's fastest 2006 RCSB DBM 4.8/A4, NELSON TUNED, one legged 4.10s, cutout, big f'n hole in the bottom of the airbox with a drop-in K&N.

is there anywhere on here or the web we can view what's normal operating parameters for these trucks. i.e. MAF, pulse width etc. i know i'm not pushing any kind of power but would like to know what all those numbers mean on my Interceptor. i usually just keep it on MPH and RPM. but today had it on MAF/lb and was hitting 32.4. just wondering. TIA
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Old Aug 24, 2007 | 03:09 PM
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Every setup is different, that reading is telling you your airflow. As far as what the norm. is? I dont know, my MAF isnt even on the truck because it was maxed out.
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Old Aug 24, 2007 | 06:34 PM
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Originally Posted by 03sierraslt
Every setup is different, that reading is telling you your airflow. As far as what the norm. is? I dont know, my MAF isnt even on the truck because it was maxed out.
i know it's reading pounds per minute, but i was just wondering what the norm was for everything else that the interceptor reads
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Old Aug 25, 2007 | 02:48 AM
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i've asked myself the same questions. i usually keep it on the MAF on the freeway because its telling you ur load. i actually have a chart which relates the flow with ur speed to give u miles per gallon. typically i can keep it under 5.00. in this case the lower the number the better MPG ur getting, other than that its tranny temps for me
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Old Aug 25, 2007 | 06:30 AM
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Well, what are you shifting at? That makes a big difference in how much air you'll flow. More is not necessarily better, as you'll hit a point where the power is just not there while total airflow is still increasing.

For comparison's sake, a typical intake/exhaust 5.3L will see 32-33lb/min at around 5700rpms at WOT near sea level with low humidity.
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Old Aug 25, 2007 | 07:13 AM
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Originally Posted by dc_justin
Well, what are you shifting at? That makes a big difference in how much air you'll flow. More is not necessarily better, as you'll hit a point where the power is just not there while total airflow is still increasing.

For comparison's sake, a typical intake/exhaust 5.3L will see 32-33lb/min at around 5700rpms at WOT near sea level with low humidity.
manual shifting the auto about 6600, regular shifting about 6300. just wanted to get a lowdown on what all the numbers mean. what should the O2 voltage be at...you know stuff like that. Thanks for the help Justin.
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