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Originally Posted by HD-LUX
I haven't seen anything on this but it sounds awesome. It's brand new. Maybe it's all hype but just imagine, no more dynos after big changes!! It needs their ECM too. The one thing about my fuelie 5.0 was that I was always trying to fool the closed loop system into being more power oriented than economy oriented. A true closed loop feedback system with a bend towards power would be very cool for the EFI crowd. Imagine using knock sensors to adjust timing based on fuel quality too. A little octane booster and yer off to the races!
ThunderMax AutoTune Module Now Available! The ThunderMax Auto-Tune Module works with your ThunderMax EFI controller to create a Wide-Band Closed Loop EFI System. Add pipes, change cams – AutoTune’s on the job! The ThunderMax AutoTune processes feedback from two wide-band oxygen sensors to adjust the fuel volume at all RPM’s and throttle positions. These sensors continually provide feedback for corrections to the fuel map values for optimum performance, Custom-Tailoring the Fuel Map for your application!
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It does seem like the ideal! Especially because taking a look at many of the EFI maps posted on this forum, there is no real tuning going into the timing tables. Even in the maps with the most thorough A/F tuning, the timng is often untouched or has a couple of blanket timing guesses in it. One map that I saw looked like the tuner did make an effort to tune timing at 80 and 90% throttle - in one cylinder only.
Wouldn't it be something if as you say, with performance in mind, a closed loop system automatically bumped the timing up to ride a few degrees ahead of the knock point, adjusting for AFR, engine temp, altitude, etc. You'd not only get optimum performance, you'd get it in spite of the lack of availability of a knowledgeable tuner - and if you changed cam, head design, etc. your engine would dial itself back in immediately. Throw in a multi-profile option (eg. tune for strip, street, or max economy) and you'd have it all. Oh - sorry, I didn't mean to release tech secrets on HD's 2008 ECM unit..... (LOL)
