04-21-2010, 08:47 AM
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#17 (permalink)
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Base Member
Join Date: Mar 2010
Location: Tampa
Posts: 200
Drives: 09 Sport Touring Nav
Rep Power: 16
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Quote:
Originally Posted by FailsafePerf
The ecu only 'learns' in closed-loop mode, which is only used for idle/low load/cruise conditions. During acceleration, deceleration, and WOT (wide open throttle), the ecu relies on its pre-programmed fuel and ignition tables. That's why products like Osiris and Accessport exist, to reprogram what the ecu does at WOT.
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That's good to know, I asked this question here the other day: How do you do a proper dyno comparison?
Funny how opinions and wrong info can turn into fact on message boards. Several people in other threads have been saying that the car will get faster and dyno higher after 20-60 miles. Which led me to start that thread. Dynoing would be a real pain if you to drive it around for awhile after each mod.
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