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Forced Induction & Engine Management
How They Do That!
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<blockquote data-quote="Useless" data-source="post: 1426701" data-attributes="member: 670"><p>ecupro,</p><p></p><p>u the sifu la....</p><p></p><p>my poor 2 cents assumption....</p><p>factory obtains economy and power maps (assumed 2 maps) under testing conditions. hence there is a need to determine the point of switching between these two maps. i think the and the would be the determining inputs. to ensure that the output is achieved, a gas analyzer would first need to be used to preset the CO output from the VR screw. i believe that only after presetting all base points, only can desired results be obtained. Just as we need to preset the ignition timing for the ecu by the strobe lamp for older generation cars before we can obtain optimum torque. </p><p></p><p>sorry if i am muttering nonsense :P</p><p></p><p>cheers.</p></blockquote><p></p>
[QUOTE="Useless, post: 1426701, member: 670"] ecupro, u the sifu la.... my poor 2 cents assumption.... factory obtains economy and power maps (assumed 2 maps) under testing conditions. hence there is a need to determine the point of switching between these two maps. i think the and the would be the determining inputs. to ensure that the output is achieved, a gas analyzer would first need to be used to preset the CO output from the VR screw. i believe that only after presetting all base points, only can desired results be obtained. Just as we need to preset the ignition timing for the ecu by the strobe lamp for older generation cars before we can obtain optimum torque. sorry if i am muttering nonsense :P cheers. [/QUOTE]
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