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SVTPerformance's Chain of Restaurants
Tuning À la carte
97 Cobra Vortech supercharger with 12 psi load issue
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<blockquote data-quote="decipha" data-source="post: 16040974" data-attributes="member: 74327"><p>it sounds like your tuner did an excellent job</p><p></p><p>what your seeing is perfectly fine</p><p></p><p>load is just a number for spark control</p><p></p><p>maf counts is the physical voltage from the maf sensor, its number in itself is useless as a reference other than to be used as a set point for a given airflow. The maf voltage is a critical input to the ecu and the entire tune is based on that. From what you asked its obvious you have no idea how a maf sensor works. Read over this link and it will all become clear.</p><p><a href="http://www.efidynotuning.com/maf101.htm" target="_blank">MAF / EFIDynoTuning</a></p><p></p><p>typically to get from 3.38 volts to 4.25 volts you usually have to double the horsepower. Does it feel like the engine is only making half the power it should?</p><p></p><p>its obvious you have no idea how fuel nor spark is controlled. Changing the prldsw from 2 to 1 will make the ecu stop using inferred load as perload from fn1036 and will instead use just load. Depending on how your tuner has perload referencing fuel, changing that one value will blow the engine just that easy. Read this fuel write up to understand how fuel functions.</p><p><a href="http://www.efidynotuning.com/fuel.htm" target="_blank">Fuel / EFIDynoTuning</a></p><p></p><p>Its best you prob leave the tuning up to the experts. If you have issues get the tuner to resolve them or at the very least ask them for direction.</p></blockquote><p></p>
[QUOTE="decipha, post: 16040974, member: 74327"] it sounds like your tuner did an excellent job what your seeing is perfectly fine load is just a number for spark control maf counts is the physical voltage from the maf sensor, its number in itself is useless as a reference other than to be used as a set point for a given airflow. The maf voltage is a critical input to the ecu and the entire tune is based on that. From what you asked its obvious you have no idea how a maf sensor works. Read over this link and it will all become clear. [URL="http://www.efidynotuning.com/maf101.htm"]MAF / EFIDynoTuning[/URL] typically to get from 3.38 volts to 4.25 volts you usually have to double the horsepower. Does it feel like the engine is only making half the power it should? its obvious you have no idea how fuel nor spark is controlled. Changing the prldsw from 2 to 1 will make the ecu stop using inferred load as perload from fn1036 and will instead use just load. Depending on how your tuner has perload referencing fuel, changing that one value will blow the engine just that easy. Read this fuel write up to understand how fuel functions. [URL='http://www.efidynotuning.com/fuel.htm']Fuel / EFIDynoTuning[/URL] Its best you prob leave the tuning up to the experts. If you have issues get the tuner to resolve them or at the very least ask them for direction. [/QUOTE]
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SVTPerformance's Chain of Restaurants
Tuning À la carte
97 Cobra Vortech supercharger with 12 psi load issue
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