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[GPO03FatBoy]

Originally Posted by hjdistl

You hit on several good points here.


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I would like to see a typical 95 build that has been tuned by an average SERT Tuner and a dyno run sheet from it. I say average, because from what I read most are average (not slinging mud at anybody, just repeating what I have read. I know there are some excellent ones out there)

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and therein may lie the problem. It does seem that the average tuners are focused only on peak numbers. It's only the good tuners that worry about completely mapping a bike. And for that reason, and many other of hjdistl's points, I'd agree that a closed loop system is the way to go - for most riders. My only point is that even the closed loop systems won't be fully optimized at WOT, until they get some good target AFR and timing numbers from a dyno tune at 100% throttle. That is, at least until the closed loop systems start using multi-gas analysis to really figure out their burn efficiencies. Then, closed loop would seem to be the only way to go.

Personally, I'm still using the manual approximation to a closed loop and mapping my VEs from road data using the TwinScan II+ and SERT. For a guy like me that rides essentially sea level to 2k elevation, it seems to work well and gives me excellent street ridability based on an AFR map that matches my riding style. But, I'll admit, I'm still off to the dyno for those WOT runs to see what the upper limits of my engine's performance really are...